Azzindani/Open_Reaction_Data huggingface dataset:
Reaction SMILES: Br[C:2]1[CH:7]=[CH:6][C:5](/[CH:8]=[CH:9]/[S:10]([NH:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[S:20]([NH2:23])(=[O:22])=[O:21])(=[O:12])=[O:11])=[CH:4][CH:3]=1.[C:24]([C:28]#[C:29]B(OC(C)C)OC(C)C)([CH3:27])([CH3:26])[CH3:25].C(=O)([O-])[O-].[Na+].[Na+].O>CN(C)C=O.Cl[Pd]Cl.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2]>[CH3:25][C:24]([CH3:27])([CH3:26])[C:28]#[C:29][C:2]1[CH:7]=[CH:6][C:5](/[CH:8]=[CH:9]/[S:10]([NH:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=2[S:20]([NH2:23])(=[O:22])=[O:21])(=[O:12])=[O:11])=[CH:4][CH:3]=1
Reactant: NS(=O)(=O)c1ccccc1NS(=O)(=O)/C=C/c1ccc(Br)cc1
Reactant: CC(C)OB(C#CC(C)(C)C)OC(C)C
Agent: Cl[Pd]Cl
Agent: [Fe+2]
Agent: O=C([O-])[O-]
Solvent: CN(C)C=O
Solvent: O
Product: CC(C)(C)C#Cc1ccc(/C=C/S(=O)(=O)Nc2ccccc2S(N)(=O)=O)cc1
Yield: 12.6 %

Procedure:
2-[[(E)-2-(4-Bromophenyl)ethenylsulfonylamino]benzenesulfonamide (79 mg, 0.19 mmol), (2-tert-butyl-1-ethynyl)diisopropoxyborane (80 mg, 0.38 mmol), (1,1′-bis(diphenylphosphino)ferrocene)-dichloropalladium(II) (7.79 mg, 9.47 μmol) and sodium carbonate (40.1 mg, 0.38 mmol) were suspended in N,N-dimethylformamide (2.5 mL) and water (0.2 mL) and the reaction mixture was stirred vigorously under an atmosphere of argon at 90° C. for 3 hours. The mixture was filtered through a pad of Celite, the solvent was removed in vacuo and the residue was purified by preparative HPLC to give 10 mg (23% yield) of the title compound.
Reaction SMILES: Cl[C:2]1[CH:3]=[C:4]2[C:12](=[O:13])[C:11]3[CH:14]=[C:15]([CH2:18][S:19]([N:22]([CH3:29])[C:23]4[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=4)(=[O:21])=[O:20])[CH:16]=[CH:17][C:10]=3[CH:9]=[CH:8][C:5]2=[N:6][CH:7]=1.[CH3:30][N:31]1[CH:35]=[C:34](B2OC(C)(C)C(C)(C)O2)[CH:33]=[N:32]1.[F-].[K+].F[B-](F)(F)F.C([PH+](C(C)(C)C)C(C)(C)C)(C)(C)C>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].CN(C=O)C>[CH3:29][N:22]([C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)[S:19]([CH2:18][C:15]1[CH:16]=[CH:17][C:10]2[CH:9]=[CH:8][C:5]3=[N:6][CH:7]=[C:2]([C:34]4[CH:33]=[N:32][N:31]([CH3:30])[CH:35]=4)[CH:3]=[C:4]3[C:12](=[O:13])[C:11]=2[CH:14]=1)(=[O:21])=[O:20]
Reactant: CN(c1ccccc1)S(=O)(=O)Cc1ccc2ccc3ncc(Cl)cc3c(=O)c2c1
Reactant: Cn1cc(B2OC(C)(C)C(C)(C)O2)cn1
Agent: [Pd]
Agent: CC(C)(C)[PH+](C(C)(C)C)C(C)(C)C
Agent: F[B-](F)(F)F
Solvent: CN(C)C=O
Product: CN(c1ccccc1)S(=O)(=O)Cc1ccc2ccc3ncc(-c4cnn(C)c4)cc3c(=O)c2c1
Temperature: 130 °C
Reaction time: 2 h

Procedure:
1-(3-Chloro-5-oxo-5H-benzo[4,5]cyclohepta[1,2-b]pyridin-7-yl)-N-methyl-N-phenylmethanesulfonamide (4.4 g, 10.36 mmol), 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H pyrazole (2.59 g, 12.43 mmol), potassium fluoride (1.985 g, 34.2 mmol), tri-t-butylphosphonium tetrafluoroborate (0.270 g, 0.932 mmol), and Pd2(dba)3 (0.379 g, 0.414 mmol) were combined as solids and placed under a nitrogen atmosphere. DMF (104 ml) was added, the mixture was degassed, and then the reaction was heated to 130° C. with stirring for 2 h. After cooling to room temperature, the mixture was poured into aqueous sodium hydrogen carbonate (saturated, 250 mL) and extracted with dichloromethane (4×250 mL). The organic extracts were combined, dried over Na2SO4, and concentrated under reduced pressure. The residue was then dissolved in hot dioxane (500 mL). Hexanes were added until a precipitate formed. After standing at room temperature overnight, the precipitate was collected to afford the title compound as a gray solid. 1H NMR (600 MHz, DMSO-D6) δ 9.22 (d, 1H); 8.53 (d, 1H); 8.47 (s, 1H); 8.15 (s, 1H); 8.14 (d, 1H); 7.78 (m, 2H); 7.39 (d, 1H); 7.32 (m, 5H); 7.20 (m, 1H); 4.75 (s, 2H); 3.88 (s, 3H); 3.23 (s, 3H). LRMS (APCI) calculated for C21H21N4O3S [M+H]+, 409.1. found 409.1.
Reaction SMILES: Br[C:2]1[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[CH:18][C:3]=1[O:4][CH2:5][CH:6]1[CH:10]=[CH:9][CH2:8][N:7]1[C:11]([O:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12].C([SnH](CCCC)CCCC)CCC.C1CCN2C(=NCCC2)CC1>C1(C)C=CC=CC=1>[CH3:23][O:22][C:19]1[CH:20]=[CH:21][C:2]2[CH:10]3[CH:6]([N:7]([C:11]([O:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12])[CH2:8][CH2:9]3)[CH2:5][O:4][C:3]=2[CH:18]=1
Reactant: COc1ccc(Br)c(OCC2C=CCN2C(=O)OC(C)(C)C)c1
Agent: CCCC[SnH](CCCC)CCCC
Solvent: Cc1ccccc1
Solvent: C1CCC2=NCCCN2CC1
Product: COc1ccc2c(c1)OCC1C2CCN1C(=O)OC(C)(C)C
Temperature: 50 °C
Reaction time: 16 h

Procedure:
Tert-butyl 2-[(2-bromo-5-methoxyphenoxy)methyl]-2,5-dihydro-1H-pyrrole-1-carboxylate (16.4 g, 0.43 mol) was dissolved in toluene (790 mL) and heated at 50° C. for 20 min. To this solution was added AlBN (781 mg, 0.047 mol) and tributyltin hydride (17.9 mL, 0.67 mol). The reaction mixture was stirred at 80° C. for 16 h, cooled to RT, and DBU (10.7 g, 0.70 mol) was added. The resulting suspension was filtered through a pad of silica gel (100 g), and the solids washed with methyl tert-butylether. The filtrate was evaporated and the resulting oil triturated with heptane (10 mL). The crude product was collected via filtration and purified using an ISCO instrument (330 g RediSep® column), eluting with a gradient of ethyl acetate in heptane (from 5%-20%) to afford the title product. MS m/z 249 [M−tBu+H]+
Reaction SMILES: [CH2:1]([O:3][C:4](=[O:21])[CH:5]([O:18][CH2:19][CH3:20])[CH2:6][C:7]1[C:16]2[CH2:15][CH2:14][CH2:13][CH2:12][C:11]=2[C:10]([OH:17])=[CH:9][CH:8]=1)[CH3:2].Cl[CH2:23][C:24]1[N:25]=[C:26]([C:30]2[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=2)[O:27][C:28]=1[CH3:29].[H-].[Na+]>CN(C)C=O>[CH2:1]([O:3][C:4](=[O:21])[CH:5]([O:18][CH2:19][CH3:20])[CH2:6][C:7]1[C:16]2[CH2:15][CH2:14][CH2:13][CH2:12][C:11]=2[C:10]([O:17][CH2:23][C:24]2[N:25]=[C:26]([C:30]3[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=3)[O:27][C:28]=2[CH3:29])=[CH:9][CH:8]=1)[CH3:2]
Reactant: CCOC(=O)C(Cc1ccc(O)c2c1CCCC2)OCC
Reactant: Cc1oc(-c2ccccc2)nc1CCl
Agent: [H-]
Agent: [Na+]
Solvent: CN(C)C=O
Product: CCOC(=O)C(Cc1ccc(OCc2nc(-c3ccccc3)oc2C)c2c1CCCC2)OCC

Procedure:
In analogy to the procedure described in example 108 c], [rac]-2-ethoxy-3-(4-hydroxy-5,6,7,8-tetrahydro-naphthalen-1-yl)-propionic acid ethyl ester was treated with 4-chloromethyl-5-methyl-2-phenyloxazole and sodium hydride in N,N-dimethylformamide to yield [rac]-2-ethoxy-3-[4-(5-methyl-2-phenyl-oxazol-4-ylmethoxy)-5,6,7,8-tetrahydro-naphthalen-1-yl]-propionic acid ethyl ester, which was further saponified in analogy to the procedure described in example 91 e] to yield [rac]-2-ethoxy-3-[4-(5-methyl-2-phenyl-oxazol-4-ylmethoxy)-5,6,7,8-tetrahydro-naphthalen-1-yl]-propionic acid as colorless solid.
Reaction SMILES: C(C1C=C2C(C3C=C(C=CC=3)CNC(C3C(=O)N(CC4C=CC(F)=C(F)C=4)C=CC=3)=O)=CNC2=NC=1)#N.CC1(C)C(C)(C)OB([C:46]2[S:50][C:49]([CH2:51][NH:52][C:53]([C:55]3[C:56](=[O:70])[N:57]([CH2:61][C:62]4[CH:67]=[CH:66][C:65]([F:68])=[C:64]([F:69])[CH:63]=4)[CH:58]=[CH:59][CH:60]=3)=[O:54])=[CH:48][CH:47]=2)O1.[B].[Cl:73][C:74]1[CH:75]=[C:76]2[C:82](I)=[CH:81][NH:80][C:77]2=[N:78][CH:79]=1>>[Cl:73][C:74]1[CH:75]=[C:76]2[C:82]([C:46]3[S:50][C:49]([CH2:51][NH:52][C:53]([C:55]4[C:56](=[O:70])[N:57]([CH2:61][C:62]5[CH:67]=[CH:66][C:65]([F:68])=[C:64]([F:69])[CH:63]=5)[CH:58]=[CH:59][CH:60]=4)=[O:54])=[CH:48][CH:47]=3)=[CH:81][NH:80][C:77]2=[N:78][CH:79]=1
Reactant: Clc1cnc2[nH]cc(I)c2c1
Reactant: CC1(C)OB(c2ccc(CNC(=O)c3cccn(Cc4ccc(F)c(F)c4)c3=O)s2)OC1(C)C
Agent: N#Cc1cnc2[nH]cc(-c3cccc(CNC(=O)c4cccn(Cc5ccc(F)c(F)c5)c4=O)c3)c2c1
Agent: [B]
Product: O=C(NCc1ccc(-c2c[nH]c3ncc(Cl)cc23)s1)c1cccn(Cc2ccc(F)c(F)c2)c1=O

Procedure:
Except where indicated, 1-(3,4-Difluoro-benzyl)-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid [5-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-thiophen-2-ylmethyl]-amide was synthesized as per Example 68, 1-(3,4-Difluoro-benzyl)-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid 3-(5-cyano-1H-pyrrolo[2,3-b]pyridin-3-yl)-benzylamide using 1-(3,4-Difluoro-benzyl)-2-oxo-1,2-dihydro-pyridine-3-carboxylic acid [5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-thiophen-2-ylmethyl]-amide as activated boron species and 5-Chloro-3-iodo-1H-pyrrolo[2,3-b]pyridine as substituted bicyclic heterocycle, to yield the product. 1H NMR (300 MHz, CDCl3-MeOH-d4) d ppm 8.533 (dd, J=7.4, 2.2 Hz, 1H) 8.413 (d, J=1.7 Hz, 1H) 8.262 (s, 1H) 7.594 (s, 1H) 7.550 (dd, J=6.7, 2.3 Hz, 1H) 7.198-6.950 (m, 5H) 6.458 (t, J=6.9 Hz, 1H) 5.114 (s, 2H), 4.758 (s, 2H); MS m/z=511.13 M+H.
Reaction SMILES: [Cl:1][C:2]1[C:3]([CH3:18])=[C:4]([NH:10][C@H:11]([C@@H:15]([OH:17])[CH3:16])[C:12]([OH:14])=O)[CH:5]=[CH:6][C:7]=1[C:8]#[N:9].[N+:19]([C:22]1[CH:31]=[CH:30][C:25]([C:26]([NH:28][NH2:29])=[O:27])=[CH:24][CH:23]=1)([O-:21])=[O:20].O.ON1C2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC.C(N(CC)CC)C>C1COCC1>[Cl:1][C:2]1[C:3]([CH3:18])=[C:4]([NH:10][C@H:11]([C@H:15]([OH:17])[CH3:16])[C:12]([NH:29][NH:28][C:26](=[O:27])[C:25]2[CH:24]=[CH:23][C:22]([N+:19]([O-:21])=[O:20])=[CH:31][CH:30]=2)=[O:14])[CH:5]=[CH:6][C:7]=1[C:8]#[N:9]
Reactant: NNC(=O)c1ccc([N+](=O)[O-])cc1
Reactant: Cc1c(N[C@@H](C(=O)O)[C@H](C)O)ccc(C#N)c1Cl
Agent: CCN=C=NCCCN(C)C
Agent: Cl
Agent: On1nnc2ccccc21
Solvent: CCN(CC)CC
Solvent: O
Solvent: C1CCOC1
Product: Cc1c(N[C@@H](C(=O)NNC(=O)c2ccc([N+](=O)[O-])cc2)[C@@H](C)O)ccc(C#N)c1Cl
Temperature: -50 °C
Reaction time: 1 h
Yield: 119.2 %

Procedure:
(2R,3R)-2-(3-chloro-4-cyano-2-methylphenylamino)-3-hydroxybutanoic acid (intermediate 1a)(8.3 g, 30.9 mmol), 4-nitrobenzohydrazide (6.16 g, 34.0 mmol) and anhydrous THF (200 mL) were placed in a 500 mL round bottomed flask and the mixture was cooled to −50° C. 1-Hydroxybenzotriazole hydrate (4.2 g, 30.9 mmol) was added to the mixture together with N-(3-Dimethylaminopropyl)-N′-ethylcarbodimide HCl (7.34 g, 38.3 mmol) at −50° C. followed by triethylamine (5.3 mL, 38.3 mmol). The reaction mixture was maintained at −15° C. and stirred for 1 h after which stirring continued overnight while the mixture slowly warmed to room temperature. After 18 h the mixture was filtered under vacuum and the residue washed with THF (50 mL). The THF solution was concentrated to ca. 20 mL, whereupon ethyl acetate (200 mL) was added followed by water (100 mL). The phases were partitioned and the organic phase washed with water (150 mL), brine (150 mL), dried (Na2SO4) and concentrated to furnish a light yellow solid as the title compound (15.9 g, 80%) that was used without further purification. 1H NMR (400 MHz, d6-acetone, δ in ppm) 9.88 (br s, 2H), 8.35 (d, J=6.7 Hz, 2H), 8.16 (d, J=6.7 Hz, 2H), 7.53 (d, J=7.5 Hz, 1H), 6.69 (d, J=7.5 Hz, 1H), 5.56 (d, J=6.6 Hz, 1H), 4.46-4.36 (m, 1H), 4.18-4.10 (m, 1H), 3.26 (s, 3H), 1.37 (d, J=7.4 Hz, 3H).
Reaction SMILES: [C:1]([C:3]1[C:4]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)=[N:5][O:6][C:7]=1[CH3:8])#[CH:2].Br[C:16]1[CH:21]=[C:20]([C:22]([F:25])([F:24])[F:23])[CH:19]=[CH:18][N:17]=1>>[CH3:8][C:7]1[O:6][N:5]=[C:4]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[C:3]=1[C:1]#[C:2][C:16]1[CH:21]=[C:20]([C:22]([F:25])([F:24])[F:23])[CH:19]=[CH:18][N:17]=1
Reactant: FC(F)(F)c1ccnc(Br)c1
Reactant: C#Cc1c(-c2ccccc2)noc1C
Product: Cc1onc(-c2ccccc2)c1C#Cc1cc(C(F)(F)F)ccn1
Yield: 76 %

Procedure:
As described for example 11c, 4-ethynyl-5-methyl-3-phenyl-isoxazole (92 mg, 0.50 mmol) was converted (using 2-bromo-4-(trifluoromethyl)pyridine instead of 2-chloro-4-iodopyridine) to the title compound (SiO2, heptane:ethyl acetate=95:5 to 0:100, 124 mg, 76%) which was obtained as an off-white solid. MS: m/e=329.3 [M+H]+.
Reaction SMILES: FC(F)(F)C(O)=O.[CH3:8][N:9]1[C:17]2[CH:16]=[C:15]([C:18]3[CH:19]=[N:20][C:21]([O:28][CH2:29][CH2:30][CH:31]4[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]4)=[C:22]([C:24]([F:27])([F:26])[F:25])[CH:23]=3)[N:14]=[C:13]([C:37]#[N:38])[C:12]=2[N:11]=[N:10]1.C(N(CC)C(C)C)(C)C.Cl[CH2:49][C:50]([CH3:53])([OH:52])[CH3:51].[I-].[Na+]>C(#N)C>[OH:52][C:50]([CH3:53])([CH3:51])[CH2:49][N:34]1[CH2:35][CH2:36][CH:31]([CH2:30][CH2:29][O:28][C:21]2[N:20]=[CH:19][C:18]([C:15]3[N:14]=[C:13]([C:37]#[N:38])[C:12]4[N:11]=[N:10][N:9]([CH3:8])[C:17]=4[CH:16]=3)=[CH:23][C:22]=2[C:24]([F:25])([F:26])[F:27])[CH2:32][CH2:33]1
Reactant: CC(C)(O)CCl
Reactant: Cn1nnc2c(C#N)nc(-c3cnc(OCCC4CCNCC4)c(C(F)(F)F)c3)cc21
Agent: [I-]
Agent: [Na+]
Solvent: CC#N
Solvent: O=C(O)C(F)(F)F
Solvent: CCN(C(C)C)C(C)C
Product: Cn1nnc2c(C#N)nc(-c3cnc(OCCC4CCN(CC(C)(C)O)CC4)c(C(F)(F)F)c3)cc21
Temperature: 160 °C
Yield: 31 %

Procedure:
To a solution of 1-methyl-6-(6-(2-(piperidin-4-yl)ethoxy)-5-(trifluoromethyl)-pyridin-3-yl)-1H-[1,2,3]triazolo[4,5-c]pyridine-4-carbonitrile trifluoroacetate (70 mg) and N,N-diisopropylethylamine (85 mg) in acetonitrile (2 ml), 1-chloro-2-methylpropan-2-ol (48 mg) and sodium iodide (19 mg) were added and heated in microwave at 160° C. for 0.5 h. The reaction mixture was concentrated then diluted with dichloromethane and water, extracted with dichloromethane and separated by hydrophobic frits, concentrated. Purified by Strata Si column (5 g, dichloromethane:methanol=1:0, 25:1, 15:1, 12.5:1 to 10:1) then passed through Strata SCX column (1 g) to give 20.0 mg yellow amorphous as 6-(6-(2-(1-(2-hydroxy-2-methylpropyl)piperidin-4-yl)ethoxy)-5-(trifluoromethyl)pyridin-3-yl)-1-methyl-1H-[1,2,3]triazolo[4,5-c]pyridine-4-carbonitrile (31%).
Reaction SMILES: [Br:1][C:2]1[CH:7]=[C:6]([F:8])[C:5]([OH:9])=[CH:4][C:3]=1[CH2:10][C:11]([OH:13])=[O:12].S(=O)(=O)(O)O.[CH3:19][CH2:20]O>>[CH2:19]([O:12][C:11](=[O:13])[CH2:10][C:3]1[CH:4]=[C:5]([OH:9])[C:6]([F:8])=[CH:7][C:2]=1[Br:1])[CH3:20]
Reactant: O=C(O)Cc1cc(O)c(F)cc1Br
Reactant: CCO
Agent: O=S(=O)(O)O
Product: CCOC(=O)Cc1cc(O)c(F)cc1Br
Temperature: 25 °C
Reaction time: 24 h

Procedure:
To a solution of (2-bromo-4-fluoro-5-hydroxy-phenyl)-acetic acid (5.06 g) in EtOH (100 ml) was added sulfuric acid (0.2 ml) and the mixture was stirred at room temperature for 24 hours. The mixture was heated at 70° C. with stirring for an additional 24 h. The mixture was evaporated to dryness under reduced pressure. Purification of the residue by flash chromatography (hexanes:EtOAc/9:1) gave (2-bromo-4-fluoro-5-hydroxy-phenyl)-acetic acid ethyl ester (4.66 g) as a solid.
Reaction SMILES: [O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6]1[O:7][C:8]([CH3:21])=[C:9](/[CH:11]=[CH:12]/[C:13]2[CH:20]=[CH:19][C:16]([CH2:17][OH:18])=[CH:15][CH:14]=2)[N:10]=1>[O-2].[O-2].[Mn+4]>[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6]1[O:7][C:8]([CH3:21])=[C:9](/[CH:11]=[CH:12]/[C:13]2[CH:14]=[CH:15][C:16]([CH:17]=[O:18])=[CH:19][CH:20]=2)[N:10]=1
Reactant: Cc1oc(-c2ccco2)nc1/C=C/c1ccc(CO)cc1
Agent: [Mn+4]
Agent: [O-2]
Product: Cc1oc(-c2ccco2)nc1/C=C/c1ccc(C=O)cc1

Procedure:
(E)-4-[2-[2-(2-Furyl)-5-methyl-4-oxazolyl]vinyl]benzyl alcohol was oxidized with activated manganese dioxide in the same manner as in Reference Example 25 to yield (E)-4-[2-[2-(2-furyl)-5-methyl-4-oxazolyl]vinyl]benzaldehyde, which was then recrystallized from ethyl acetate to yield colorless prisms having a melting point of 209°-210° C.
Reaction SMILES: Cl.[C:2]([O:5][CH2:6][CH2:7][N:8]([CH2:20][C:21]1[CH:26]=[CH:25][C:24]([CH2:27][N:28]=CC2C=CC=CC=2)=[CH:23][CH:22]=1)[CH2:9][CH2:10][CH2:11][CH2:12][N:13]([CH2:17][CH2:18][CH3:19])[CH2:14][CH2:15][CH3:16])(=[O:4])[CH3:3]>C(O)C>[C:2]([O:5][CH2:6][CH2:7][N:8]([CH2:20][C:21]1[CH:26]=[CH:25][C:24]([CH2:27][NH2:28])=[CH:23][CH:22]=1)[CH2:9][CH2:10][CH2:11][CH2:12][N:13]([CH2:14][CH2:15][CH3:16])[CH2:17][CH2:18][CH3:19])(=[O:4])[CH3:3]
Reactant: CCCN(CCC)CCCCN(CCOC(C)=O)Cc1ccc(CN=Cc2ccccc2)cc1
Agent: Cl
Solvent: CCO
Product: CCCN(CCC)CCCCN(CCOC(C)=O)Cc1ccc(CN)cc1
Temperature: 0 °C
Reaction time: 3 h
Yield: 98.9 %

Procedure:
362 ml of 2N hydrochloric acid was charged in a 2-liter four-necked flask and cooled to 0° C. The solution prepared by dissolving 32.8 g of {[4-(benzylidene)aminomethylbenzyl]-(4-dipropylaminobutyl)amino}ethyl acetate (8a) in 120 ml of ethanol was added dropwise to the flask for about 20 minutes, the mixture was stirred at room temperature for three hours. The resultant was extracted five times with 100 ml of toluene. After the addition of 400 ml of chloroform to the aqueous layer, 60 g of sodium carbonate was slowly added to the mixture while stirring to adjust to pH 9. The solution was subjected to phase separation and extracted again with 400 ml of chloroform. The chloroform layer was washed twice with 200 ml of a saturated sodium bicarbonate aqueous solution, washed twice with 200 ml of water, dried over anhydrous sodium sulfate, and concentrated, thereby obtaining 26.3 g of [(4-aminomethylbenzyl)-(4-dipropylaminobutyl)amino]ethyl acetate (14) (yield: 99%, GC: 95%).
Reaction SMILES: [Br:1][C:2]1[S:6][C:5]([N+:7]([O-:9])=[O:8])=[C:4]([CH:10]=[N:11]O)[CH:3]=1.O.C1(C)C=CC(S(O)(=O)=[O:21])=CC=1.CCN(CCOC1C=CC(CC2C=CC=CC=2)=CC=1)CC.Cl>C1(C)C=CC=CC=1>[Br:1][C:2]1[S:6][C:5]([N+:7]([O-:9])=[O:8])=[C:4]([C:10]([NH2:11])=[O:21])[CH:3]=1
Reactant: O=[N+]([O-])c1sc(Br)cc1C=NO
Reactant: Cc1ccc(S(=O)(=O)O)cc1
Agent: CCN(CC)CCOc1ccc(Cc2ccccc2)cc1
Agent: Cl
Solvent: O
Solvent: Cc1ccccc1
Product: NC(=O)c1cc(Br)sc1[N+](=O)[O-]
Temperature: 111 °C
Reaction time: 24 h

Procedure:
5-Bromo-2-nitrothiophene-3-carbaldehyde oxime (45 g, 179 mmol), p-toluenesulfonic acid monohydrate (2.73 g, 14.34 mmol), dppe (1.428 g, 3.58 mmol) and Ru(PPh3)3(CO)H2 (3.29 g, 3.58 mmol) were taken up in toluene (750 mL). The flask was evacuated and back-filled with N2 (3×) before stirring at 111° C. under N2 for 24 hours. After cooling to room temperature, the reaction mixture was purified directly by flash silica gel column chromatography (0-100% EtOAc/toluene) to give the title compound as brown needles after recrystallising from EtOH-hexanes.
Reaction SMILES: [CH3:1][CH:2]([CH3:24])[C@@H:3]([NH:7][S:8]([C:11]1[CH:23]=[CH:22][C:14]2[N:15]=[C:16]([S:18][CH2:19][CH2:20][CH3:21])[O:17][C:13]=2[CH:12]=1)(=[O:10])=[O:9])[C:4](O)=[O:5].C(Cl)(=O)C([Cl:28])=O.CN(C=O)C>ClCCl>[CH3:1][CH:2]([CH3:24])[C@@H:3]([NH:7][S:8]([C:11]1[CH:23]=[CH:22][C:14]2[N:15]=[C:16]([S:18][CH2:19][CH2:20][CH3:21])[O:17][C:13]=2[CH:12]=1)(=[O:10])=[O:9])[C:4]([Cl:28])=[O:5]
Reactant: CCCSc1nc2ccc(S(=O)(=O)N[C@@H](C(=O)O)C(C)C)cc2o1
Reactant: O=C(Cl)C(=O)Cl
Solvent: ClCCl
Solvent: CN(C)C=O
Product: CCCSc1nc2ccc(S(=O)(=O)N[C@@H](C(=O)Cl)C(C)C)cc2o1
Temperature: 0 °C

Procedure:
(2R)-3-methyl-2-[(2-propylthiobenzoxazol-6-sulfonyl)amino]butanoic acid (112 mg, 0.3 mmol) prepared in Example 19 was dissolved in dichloromethane (2 mL) and cooled down to 0° C., and, oxalylchloride (0.08 mL, 3 equi.) and DMF of catalytic amount were added. After the reaction was completed, the reaction solution was distilled under reduced pressure to remove the solvent and dried under reduced pressure. Then, (2R)-3-methyl-2-[(2-propylthiobenzoxazol-6-sulfonyl)amino]butanoic chloride thus obtained was dissolved in THF (1 mL). Hydroxylamine hydrochloride (0.21 g, 10 equi.) and NaHCO3 (0.303 g, 12 equi.) was dissolved in THF/H2O (2 mL/2 mL) and cooled down to 0° C. to prepare a hydroxylamine solution. Then, acid chloride THF solution was slowly added to the hydroxylamine solution while maintaining the temperature of 0° C. After 1 hour, the solvent was removed from the reaction solution. Then, the product was extracted with ethylacetate (5 mL), washed with H2O and 0.1N HCl and dried over MgSO4. The dried material was distilled under reduced pressure and vacuum-dried to prepare the titled compound, (2R)-N-hydroxy-3-methyl-2-[(2-propylthiobenzoxazol-6-sulfonyl)amino]butyric amide (100 mg, 85%).
Reaction SMILES: [F:1][B-:2]([F:5])([F:4])[F:3].[N:6]#[O+].[F:8][C:9]1[CH:15]=[CH:14][C:13]([F:16])=[CH:12][C:10]=1[NH2:11]>C(#N)C.C(OCC)C>[F:1][B-:2]([F:5])([F:4])[F:3].[F:8][C:9]1[CH:15]=[CH:14][C:13]([F:16])=[CH:12][C:10]=1[N+:11]#[N:6]
Reactant: N#[O+]
Reactant: Nc1cc(F)ccc1F
Agent: F[B-](F)(F)F
Solvent: CC#N
Solvent: CCOCC
Product: N#[N+]c1cc(F)ccc1F
Reaction time: 1 h

Procedure:
Nitrosonium tetrafluoroborate (905 mg, 7.75 mmol, 1.00 equiv) was added to a solution of 2,5-difluoroaniline (0.780 mL, 7.75 mmol, 1 equiv) in acetonitrile (50 mL) at 0° C. The resulting mixture was stirred for 1 hour, then diluted with ethyl ether (150 mL). The precipitate was filtered and air dried to give 2,5-difluorobenzenediazonium tetrafluoroborate (2-1) as a tan solid. 1H NMR (300 MHz, CD3OD) δ 8.54 (m, 1H), 8.24 (m, 1H), 7.95 (m, 1H).
Reaction SMILES: I[C:2]1[CH:7]=[N:6][CH:5]=[C:4]([I:8])[N:3]=1.[CH2:9]([C@H:13]1[CH2:18][NH:17][CH2:16][CH2:15][N:14]1[C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH:10]([CH3:12])[CH3:11].C([O-])([O-])=O.[K+].[K+]>CN(C=O)C.C(OCC)(=O)C.O.[Cl-].[Na+].O>[I:8][C:4]1[N:3]=[C:2]([N:17]2[CH2:16][CH2:15][N:14]([C:19]([O:21][C:22]([CH3:23])([CH3:24])[CH3:25])=[O:20])[C@@H:13]([CH2:9][CH:10]([CH3:12])[CH3:11])[CH2:18]2)[CH:7]=[N:6][CH:5]=1
Reactant: Ic1cncc(I)n1
Reactant: CC(C)C[C@H]1CNCCN1C(=O)OC(C)(C)C
Agent: O=C([O-])[O-]
Agent: [Cl-]
Agent: [K+]
Solvent: CN(C)C=O
Solvent: O
Solvent: CCOC(C)=O
Product: CC(C)C[C@H]1CN(c2cncc(I)n2)CCN1C(=O)OC(C)(C)C
Temperature: 90 °C
Reaction time: 17 h
Yield: 78.1 %

Procedure:
A mixture of 2,6-diiodopyrazine (1 g, 3.013 mmol), tert-butyl (2S)-2-isobutylpiperazine-1-carboxylate (949.3 mg, 3.917 mmol) and K2CO3 (624.7 mg, 4.520 mmol) in DMF (5 mL) was heated to 90° C. and stirred for 17 hrs. It was then allowed to cool and diluted with ethyl acetate and water, further washed organic layer with water and brine, dried (MgSO4) and concentrated to give an orange oil. It was then columned on silica gel eluting with 1:1 EtOAc/hexanes to give (S)-tert-butyl 4-(6-iodopyrazin-2-yl)-2-isobutylpiperazine-1-carboxylate as a yellow oil 1.05 g, 78%). ES+ 447. 1HNMR (CDCl3) 0.98 (6H, d), 1.23-1.45 (2H, m), 1.55-1.63 (1H, m), 2.91-3.00 (1H, m), 3.03-3.21 (2H, m), 3.98-4.20 (3H, m), 4.25 (1H, brs), 7.95 (1H, s), 8.06 (1H, s).
Reaction SMILES: [CH3:1][C:2]1[O:6][C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[N:4][C:3]=1[CH2:13][CH2:14][C:15](O)=[O:16].C[Si](C=[N+]=[N-])(C)C.[BH4-].[Na+]>CO.C1(C)C=CC=CC=1>[CH3:1][C:2]1[O:6][C:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[N:4][C:3]=1[CH2:13][CH2:14][CH2:15][OH:16]
Reactant: Cc1oc(-c2ccccc2)nc1CCC(=O)O
Agent: C[Si](C)(C)C=[N+]=[N-]
Agent: [BH4-]
Agent: [Na+]
Solvent: CO
Solvent: Cc1ccccc1
Product: Cc1oc(-c2ccccc2)nc1CCCO
Reaction time: 4 h
Yield: 71.3 %

Procedure:
Acid 1-3 (4.6 g, 20 mmol) was dissolved in 300 mL of a 1:1 mixture of methanol/toluene at 23° C. under N2 atmosphere. Trimethylsilyl diazomethane (20 mL, 40 mmol), added dropwise until color persisted and stirred for an additional 4 hours. Solvent was removed in vacuo and residue dried under vacuum for 1 hour. Residue was then redissolved in 300 mL methanol and placed under N2 atmosphere. NaBH4 (10 g, 264 mmol)and the reaction stirred for 4 hours. When complete, solvent was removed in vacuo and residue taken up in ethyl acetate and washed with water, brine and dried over MgSO4. SiO2 chromatography with 40% EtOAc/Hexanes gave 3.1 g of the product 1-4 as white crystals (71%) M.P. NMR CDCl3 (δ): 8.01 (2H, m); 7.44 (3H, m); 3.75 (2H, t, J=5.8, 11.4 Hz); 2.68 (2H, t, 6.8, 13.7 Hz); 2.35 (3H, s); 1.91 (2H, m).
Reaction SMILES: C(OC(=O)C)(=O)C.[C:8]([N:11]1[CH2:16][CH2:15][C:14]2[S:17][CH:18]=[CH:19][C:13]=2[CH2:12]1)(=[O:10])[CH3:9].[N+:20]([O-])([OH:22])=[O:21]>C(O)(=O)C>[C:8]([N:11]1[CH2:16][CH2:15][C:14]2[S:17][C:18]([N+:20]([O-:22])=[O:21])=[CH:19][C:13]=2[CH2:12]1)(=[O:10])[CH3:9]
Reactant: CC(=O)N1CCc2sccc2C1
Reactant: O=[N+]([O-])O
Solvent: CC(=O)OC(C)=O
Solvent: CC(=O)O
Product: CC(=O)N1CCc2sc([N+](=O)[O-])cc2C1
Temperature: 0 °C
Reaction time: 1 h
Yield: 65.7 %

Procedure:
20 ml of an acetic anhydride solution containing 5.43 g (30 mmole) of 5-acetyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine [prepared as described in step (a) above] were added dropwise at 10° to 18° C. over a period of one hour to 30 ml of an acetic acid solution containing 4.2 g (60 mmole) of 90% fuming nitric acid, and the mixture was then stirred at a temperature not greater than 18° C. for 1 hour. The reaction mixture was then poured into ice-water and extracted with methylene chloride. The organic layer was separated, washed with a saturated aqueous solution of sodium hydrogencarbonate and with water, in that order, and dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure, and the resulting residue was crystallized from a mixture of hexane and toluene, to give 4.46 g of the title compound as yellow crystals.