Azzindani/Open_Reaction_Data huggingface dataset:
Reaction SMILES: Cl[C:2]1[C:7]([CH2:8][CH3:9])=[C:6]([Cl:10])[N:5]=[CH:4][N:3]=1.[CH:11]([O:14][C:15]([N:17]1[CH2:22][CH2:21][CH:20]([OH:23])[CH2:19][CH2:18]1)=[O:16])([CH3:13])[CH3:12].CC(C)([O-])C.[K+]>C1COCC1>[CH:11]([O:14][C:15]([N:17]1[CH2:18][CH2:19][CH:20]([O:23][C:2]2[C:7]([CH2:8][CH3:9])=[C:6]([Cl:10])[N:5]=[CH:4][N:3]=2)[CH2:21][CH2:22]1)=[O:16])([CH3:13])[CH3:12]
Reactant: CCc1c(Cl)ncnc1Cl
Reactant: CC(C)OC(=O)N1CCC(O)CC1
Agent: CC(C)(C)[O-]
Agent: [K+]
Solvent: C1CCOC1
Product: CCc1c(Cl)ncnc1OC1CCN(C(=O)OC(C)C)CC1
Temperature: 25 °C
Reaction time: 0.5 h
Yield: 40 %

Procedure:
To a solution of 4,6-dichloro-5-ethyl-pyrimidine (1 g, 5.65 mmol) and 4-hydroxy-piperidine-1-carboxylic acid isopropyl ester (1.05 g, 5.65 mmol) in dry THF under nitrogen at 0° C., potassium tert-butoxide (1M solution in THF, 6.78 mL) was added dropwise. The reaction was stirred at rt for 30 min. The mixture was quenched with water and extracted with EtOAc (3×). The organic layer was washed with water, sat. NH4Cl and brine, followed by drying over sodium sulfate and concentration under vacuo. The resulting oil was purified by HPLC to afford 4-(6-chloro-5-ethyl-pyrimidin-4-yloxy)-piperidine-1-carboxylic acid isopropyl ester (0.74 g, 39.8%) as a colorless oil. Exact mass calculated for C15H22ClN3O3 327.13, found 328.2 (MH+).
Reaction SMILES: [CH3:1][N:2]1[C:10]([CH2:11][N:12]2[CH2:17][CH2:16][CH:15]([CH:18]3[CH2:21][O:20][CH2:19]3)[CH2:14][CH2:13]2)=[N:9][C:8]2[C:3]1=[N:4][C:5]([NH:28][C:29]1[C:30]([NH2:35])=[CH:31][CH:32]=[CH:33][CH:34]=1)=[N:6][C:7]=2[N:22]1[CH2:27][CH2:26][O:25][CH2:24][CH2:23]1.[F:36][C:37]([F:42])([CH3:41])[C:38](O)=O.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[F:36][C:37]([C:41]1[N:28]([C:5]2[N:4]=[C:3]3[C:8]([N:9]=[C:10]([CH2:11][N:12]4[CH2:13][CH2:14][CH:15]([CH:18]5[CH2:21][O:20][CH2:19]5)[CH2:16][CH2:17]4)[N:2]3[CH3:1])=[C:7]([N:22]3[CH2:23][CH2:24][O:25][CH2:26][CH2:27]3)[N:6]=2)[C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=2[N:35]=1)([F:42])[CH3:38]
Reactant: Cn1c(CN2CCC(C3COC3)CC2)nc2c(N3CCOCC3)nc(Nc3ccccc3N)nc21
Reactant: CC(F)(F)C(=O)O
Agent: CN(C)C(On1nnc2cccnc21)=[N+](C)C
Agent: F[P-](F)(F)(F)(F)F
Solvent: CCN(C(C)C)C(C)C
Solvent: CN(C)C=O
Product: Cn1c(CN2CCC(C3COC3)CC2)nc2c(N3CCOCC3)nc(-n3c(C(C)(F)F)nc4ccccc43)nc21
Temperature: 25 °C
Reaction time: 24 h
Yield: 24.1 %

Procedure:
To a mixture of N-[9-methyl-6-morpholin-4-yl-8-(4-oxetan-3-ylpiperidin-1-ylmethyl)-9H-purin-2-yl]benzene-1,2-diamine (0.115 g, 0.24 mmol) and 2,2-difluoropropionic acid (0.028 g, 0.25 mmol) and DIPEA (0.091 mL, 0.53 mL) in DMF (7 mL) was added HATU (0.11 g, 0.29 mmol). The reaction mixture was stirred at room temperature for 24 h, then at 90° C. for 24 h. The reaction mixture was concentrated in vacuo and the residue was loaded in MeOH onto an Isolute® SCX-2 cartridge. The cartridge was washed with MeOH and the desired product was eluted with 2 M NH3 in MeOH. The solution was concentrated in vacuo, the residue was diluted in acetic acid (15 mL) and the reaction mixture was stirred at 90° C. for 7 h. The reaction mixture was concentrated in vacuo and the resultant residue was purified by flash chromatography (Si—PPC, MeOH:DCM, 0:100 to 10:90) followed by reverse phase HPLC (Phenomenex Gemini 5u C18, 20 mM triethylamine in water on a gradient of acetonitrile 95:5 to 2:98) to give 459 as a white solid (0.032 g, 27%). LCMS (Method I): RT=3.30 min, [M+H]+ 553.3. 1H NMR (400 MHz, DMSO-d6): δ 7.84-7.81 (m, 1 H); 7.74-7.71 (m, 1 H); 7.43-7.35 (m, 2 H); 4.40-4.15 (m, 4 H); 3.84 (s, 2 H); 3.81 (d, J=4.3 Hz, 2 H); 3.78-3.71 (m, 7 H); 3.37 (t, J=6.9 Hz, 2 H); 3.30-3.18 (m, 2 H); 2.96 (t, J=6.9 Hz, 2 H); 2.34-2.21 (t, J=19.5 Hz, 3 H); 2.20-2.08 (m, 1 H); 1.64 (d, J=12.1 Hz, 1 H); 1.50 (d, J=13.0 Hz, 2 H); 1.06 (td, J=12.1, 4.3 Hz, 2 H)
Reaction SMILES: [NH:1]1[CH2:6][CH2:5][CH:4]([N:7]2[C:15]3[C:10](=[N:11][CH:12]=[CH:13][CH:14]=3)[NH:9][C:8]2=[O:16])[CH2:3][CH2:2]1.[Cl:17][C:18]1[CH:19]=[C:20]2[C:24](=[CH:25][CH:26]=1)[N:23]([C:27]([C:29]1[CH:34]=[C:33](Cl)[N:32]=[CH:31][N:30]=1)=[O:28])[CH2:22][CH2:21]2.CCN(C(C)C)C(C)C>CN(C=O)C>[Cl:17][C:18]1[CH:19]=[C:20]2[C:24](=[CH:25][CH:26]=1)[N:23]([C:27]([C:29]1[N:30]=[CH:31][N:32]=[C:33]([N:1]3[CH2:2][CH2:3][CH:4]([N:7]4[C:15]5[C:10](=[N:11][CH:12]=[CH:13][CH:14]=5)[NH:9][C:8]4=[O:16])[CH2:5][CH2:6]3)[CH:34]=1)=[O:28])[CH2:22][CH2:21]2
Reactant: O=c1[nH]c2ncccc2n1C1CCNCC1
Reactant: O=C(c1cc(Cl)ncn1)N1CCc2cc(Cl)ccc21
Solvent: CCN(C(C)C)C(C)C
Solvent: CN(C)C=O
Product: O=C(c1cc(N2CCC(n3c(=O)[nH]c4ncccc43)CC2)ncn1)N1CCc2cc(Cl)ccc21
Temperature: 25 °C
Reaction time: 22 h

Procedure:
80 mg (0.27 mmol) 1-piperidin-4-yl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one (dihydrochloride) were added to 100 mg (0.34 mmol) (5-chloro-2,3-dihydroindol-1-yl)-(6-chloropyrimidin-4-yl)-methanone and 100 μL (0.58 mmol) DIPEA in 10 mL DMF. The reaction mixture was stirred for 22 h at RT and then evaporated down i. vac. The residue was combined with 20 mL water and stirred for 30 min at RT. The precipitated product was suction filtered. The purification was carried out using a silica gel column. The product fractions were combined and the solvent was eliminated using the rotary evaporator. The residue was stirred with water, suction filtered and dried.
Reaction SMILES: [F:1][C:2]1[CH:3]=[C:4]([CH:7]=[C:8]([F:10])[CH:9]=1)[CH2:5][OH:6].O1CCCC1.[H-].[Na+].[C:18]([O:22][C:23]([N:25]1[CH2:30][CH2:29][N:28]([C:31]2[CH:36]=[CH:35][N:34]=[C:33](Cl)[N:32]=2)[CH2:27][CH2:26]1)=[O:24])([CH3:21])([CH3:20])[CH3:19]>O>[C:18]([O:22][C:23]([N:25]1[CH2:30][CH2:29][N:28]([C:31]2[CH:36]=[CH:35][N:34]=[C:33]([O:6][CH2:5][C:4]3[CH:3]=[C:2]([F:1])[CH:9]=[C:8]([F:10])[CH:7]=3)[N:32]=2)[CH2:27][CH2:26]1)=[O:24])([CH3:21])([CH3:19])[CH3:20]
Reactant: CC(C)(C)OC(=O)N1CCN(c2ccnc(Cl)n2)CC1
Reactant: OCc1cc(F)cc(F)c1
Agent: [H-]
Agent: [Na+]
Solvent: O
Solvent: C1CCOC1
Product: CC(C)(C)OC(=O)N1CCN(c2ccnc(OCc3cc(F)cc(F)c3)n2)CC1
Temperature: 25 °C
Reaction time: 0.25 h
Yield: 89.2 %

Procedure:
3,5-Difluorobenzyl alcohol (227.5 μL, 2.01 mmol) was dissolved into 15 mL of anhydrous tetrahydrofuran and treated with sodium hydride (80.3 mg, 60% dispersion in mineral oil, 2.01 mmol). This was stirred under nitrogen for 15 minutes at ambient temperature, then the reaction was treated with 4-(2-chloro-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester (I-1a) (500 mg, 1.67 mmol) in one portion. The resultant mixture was refluxed under nitrogen for 4 hours. After cooling to room temperature, the reaction was poured into water (50 mL) and extracted with ethyl acetate (2×50 mL). The combined organic extracts were washed with brine (20 mL), then dried over sodium sulfate, filtered, and concentrated. The residue was purified by column chromatography (silica gel, 1:1 ethyl acetate:hexanes) to afford 605.2 mg of the title product (I-1b).
Reaction SMILES: [C:1]([O:5][C:6](=[O:46])[C:7]1[CH:19]=[C:18]([O:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][C:30](=[O:45])[NH:31][C@H:32]([C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH2:33][CH2:34][C:35]([OH:37])=[O:36])[CH:17]=[C:9]([C:10]([O:12][C:13]([CH3:16])([CH3:15])[CH3:14])=[O:11])[CH:8]=1)([CH3:4])([CH3:3])[CH3:2].[B-](F)(F)(F)F.CN(C(O[N:60]1[C:65](=[O:66])[CH2:64][CH2:63][C:61]1=[O:62])=[N+](C)C)C.CCN(C(C)C)C(C)C>C1COCC1>[C:13]([O:12][C:10](=[O:11])[C:9]1[CH:17]=[C:18]([O:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][C:30](=[O:45])[NH:31][C@H:32]([C:38]([O:40][C:41]([CH3:44])([CH3:43])[CH3:42])=[O:39])[CH2:33][CH2:34][C:35]([O:37][N:60]2[C:65](=[O:66])[CH2:64][CH2:63][C:61]2=[O:62])=[O:36])[CH:19]=[C:7]([C:6]([O:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[O:46])[CH:8]=1)([CH3:16])([CH3:15])[CH3:14]
Reactant: CC(C)(C)OC(=O)c1cc(OCCCCCCCCCC(=O)N[C@@H](CCC(=O)O)C(=O)OC(C)(C)C)cc(C(=O)OC(C)(C)C)c1
Reactant: CN(C)C(ON1C(=O)CCC1=O)=[N+](C)C
Agent: F[B-](F)(F)F
Solvent: C1CCOC1
Solvent: CCN(C(C)C)C(C)C
Product: CC(C)(C)OC(=O)c1cc(OCCCCCCCCCC(=O)N[C@@H](CCC(=O)ON2C(=O)CCC2=O)C(=O)OC(C)(C)C)cc(C(=O)OC(C)(C)C)c1
Temperature: 25 °C

Procedure:
5-[9-((S)-1-tert-Butoxycarbonyl-3-carboxy-propylcarbamoyl)-nonyloxy]-isophthalic acid di-tert-butyl ester (70 mg, 0.11 mmol) was dissolved in dry THF (1 ml). TSTU (40 mg, 0.13 mmol) and DIPEA (0.05 ml) was added. The mixture was stirred at room temperature under nitrogen over the weekend. The mixture was concentrated. The residue was redissolved in EtOAc and filtered. The filtrate was washed with 0.1N HCl (2×), washed with brine (1×), dried (Na2SO4) and concentrated to give a clear syrup. There was still starting material present and the TSTU-treatment was repeated followed by work up to give the title compound as a clear syrup.
Reaction SMILES: Br[C:2]1[CH:3]=[CH:4][C:5]([N+:8]([O-:10])=[O:9])=[N:6][CH:7]=1.[CH:11]([N:14]1[CH2:19][CH2:18][NH:17][CH2:16][CH2:15]1)([CH3:13])[CH3:12]>CS(C)=O.O>[CH:11]([N:14]1[CH2:19][CH2:18][N:17]([C:2]2[CH:7]=[N:6][C:5]([N+:8]([O-:10])=[O:9])=[CH:4][CH:3]=2)[CH2:16][CH2:15]1)([CH3:13])[CH3:12]
Reactant: CC(C)N1CCNCC1
Reactant: O=[N+]([O-])c1ccc(Br)cn1
Solvent: O
Solvent: CS(C)=O
Product: CC(C)N1CCN(c2ccc([N+](=O)[O-])nc2)CC1
Temperature: 70 °C
Yield: 63.9 %

Procedure:
To 5-bromo-2-nitropyridine (1.0 g, 4.93 mmol, Eq: 1.00) in DMSO (10.0 ml) was added 1-isopropylpiperazine (632 mg, 4.93 mmol, Eq: 1.00), and the resulting solution was heated at 70° C. for 18 hours. The solution was cooled to room temperature. The solution was diluted with 50 ml water. The resulting solid was filtered. The solid was washed with water and dried under vacuum. The crude material was purified by flash chromatography (silica gel, 80 g, 0% to 3% MeOH/DCM gradient) to give 1-isopropyl-4-(6-nitropyridin-3-yl)piperazine (788 mg, 64%). LC/MS-ESI observed [M+H]+ 251.
Reaction SMILES: [C:1]1([C:11]([N:13]2[C:17](=[O:18])[C:16]([C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=3)([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)[NH:15][C:14]2=[O:31])=[O:12])[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[CH:3][CH:2]=1.[H-].[Na+].C[CH:35](I)[CH:36]([CH3:38])[CH3:37].C(OCC)(=O)C>CN(C=O)C>[CH2:35]([N:15]1[C:16]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=2)([C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:17](=[O:18])[N:13]([C:11]([C:1]2[C:10]3[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=3)[CH:4]=[CH:3][CH:2]=2)=[O:12])[C:14]1=[O:31])[CH:36]([CH3:38])[CH3:37]
Reactant: CC(C)C(C)I
Reactant: O=C1NC(c2ccccc2)(c2ccccc2)C(=O)N1C(=O)c1cccc2ccccc12
Agent: [H-]
Agent: [Na+]
Solvent: CCOC(C)=O
Solvent: CN(C)C=O
Product: CC(C)CN1C(=O)N(C(=O)c2cccc3ccccc23)C(=O)C1(c1ccccc1)c1ccccc1
Temperature: 25 °C
Reaction time: 8 h
Yield: 37.2 %

Procedure:
3-Naphthylcarbonyl-5,5-diphenylimidazolidine-2,4-dione (51 mg) was dissolved in DMF (0.4 mL), and sodium hydride (60%, in oil) (5 mg) was added. Then, methylisobutyl iodide (23 mg) was added, and the mixture was stirred at room temperature overnight. Ethyl acetate (9.5 mL) was added to the reaction solution, separated out white precipitates were filtered, and the filtrate was concentrated and purified by silica gel chromatography (hexane:ethyl acetate=2:1) to obtain 20 mg of white crystals.
Reaction SMILES: C(OC(=O)[NH:7][C:8]1[CH:13]=[C:12]([O:14][CH2:15][CH3:16])C(C(F)(F)F)=[CH:10][C:9]=1[NH:21][C:22](=[O:39])[CH2:23][C:24]([C:26]1[CH:31]=[CH:30][CH:29]=[C:28]([C:32]2[CH:37]=[CH:36][N:35]=[C:34]([CH3:38])[CH:33]=2)[CH:27]=1)=O)(C)(C)C.[C:41](O)([C:43]([F:46])([F:45])[F:44])=O>C(Cl)Cl>[CH2:15]([O:14][C:12]1[C:41]([C:43]([F:46])([F:45])[F:44])=[CH:10][C:9]2[NH:21][C:22](=[O:39])[CH2:23][C:24]([C:26]3[CH:31]=[CH:30][CH:29]=[C:28]([C:32]4[CH:37]=[CH:36][N:35]=[C:34]([CH3:38])[CH:33]=4)[CH:27]=3)=[N:7][C:8]=2[CH:13]=1)[CH3:16]
Reactant: O=C(O)C(F)(F)F
Reactant: CCOc1cc(NC(=O)OC(C)(C)C)c(NC(=O)CC(=O)c2cccc(-c3ccnc(C)c3)c2)cc1C(F)(F)F
Solvent: ClCCl
Product: CCOc1cc2c(cc1C(F)(F)F)NC(=O)CC(c1cccc(-c3ccnc(C)c3)c1)=N2

Procedure:
The title compound was prepared from (5-ethoxy-2-{3-[3-(2-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionylamino}-4-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (Example M57) (318 mg, 0.57 mmol) by treatment with TFA in CH2Cl2 according to the general procedure N. Obtained as an off-white solid (216 mg).
Reaction SMILES: [Br:1][CH:2]1[C:7](=O)[C:6]([Br:9])=[CH:5][N:4]=[CH:3]1.P(Cl)(Cl)(Cl)(Cl)[Cl:11]>>[Br:1][C:2]1[CH:3]=[N:4][CH:5]=[C:6]([Br:9])[C:7]=1[Cl:11]
Reactant: ClP(Cl)(Cl)(Cl)Cl
Reactant: O=C1C(Br)=CN=CC1Br
Product: Clc1c(Br)cncc1Br
Temperature: 0 °C
Reaction time: 3 h
Yield: 87.3 %

Procedure:
A mixture of 3,5-dibromo-4-pyridone (VIII, W=Br) (79.0 g, 0.312 mol) and PCl5 (79 g, 0.38 mol) was kept at 160° C. for 3 h. The reaction mixture was cooled to 0° C. and quenched by slow addition of water (200 mL). The resulting precipitate was crushed, filtered off, washed with water, and transferred on top of a flash silica column which was subsequently eluted with CH2Cl2. The crude product thus obtained was crystallised from EtOH to give the title compound, 3,5-dibromo-4-chloropyridine (VII, W=Br) (73.9 g, 72%) as white needles: Rf =0.60 (CH2Cl2); mp 95.0-96.5° C. (EtOH); 1H NMR (250 MHz, CDCl3) δ8.65 (s); 13C NMR (63 MHz, CDCl3) δ121.8, 144.0, and 150.9; IR (CHCl3) νmax 1549, 1524, 1410, and 1394 cm−1; MS (EI+) m/z (rel intensity) 271 (100%, M+) and 192 (30); HRMS calcd for C5H2Br2ClN (M+) 268.8242, found 268.8231.
Reaction SMILES: [Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][CH:6]=[CH:5]2.[Cl-].[CH3:12][O:13][C:14]1[CH:25]=[CH:24][CH:23]=[CH:22][C:15]=1[CH:16]=[N+:17]1[CH2:21][CH2:20][CH2:19][CH2:18]1>>[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][CH:6]=[C:5]2[CH:16]([C:15]1[CH:22]=[CH:23][CH:24]=[CH:25][C:14]=1[O:13][CH3:12])[N:17]1[CH2:21][CH2:20][CH2:19][CH2:18]1
Reactant: COc1ccccc1C=[N+]1CCCC1
Reactant: Clc1ccc2[nH]ccc2c1
Agent: [Cl-]
Product: COc1ccccc1C(c1c[nH]c2ccc(Cl)cc12)N1CCCC1

Procedure:
The preparation was carried out in accordance with general synthesis instructions 4 from 5-chloro-1H-indole and 1-(2-methoxy-benzylidene)-pyrrolidinium chloride, which had been prepared in accordance with example 24.
Reaction SMILES: [Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:25]#[N:26])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH:16]([CH2:20][CH:21]([CH3:23])[CH3:22])[C:17](O)=[O:18])[C:10](=[O:24])[CH:9]=2)[CH:7]=1.[NH2:27][C:28]1[CH:40]=[CH:39][C:31]([C:32]([O:34][C:35]([CH3:38])([CH3:37])[CH3:36])=[O:33])=[CH:30][CH:29]=1>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:25]#[N:26])=[C:6]([C:8]2[C:13]([O:14][CH3:15])=[CH:12][N:11]([CH:16]([CH2:20][CH:21]([CH3:23])[CH3:22])[C:17]([NH:27][C:28]3[CH:40]=[CH:39][C:31]([C:32]([O:34][C:35]([CH3:36])([CH3:37])[CH3:38])=[O:33])=[CH:30][CH:29]=3)=[O:18])[C:10](=[O:24])[CH:9]=2)[CH:7]=1
Reactant: COc1cn(C(CC(C)C)C(=O)O)c(=O)cc1-c1cc(Cl)ccc1C#N
Reactant: CC(C)(C)OC(=O)c1ccc(N)cc1
Product: COc1cn(C(CC(C)C)C(=O)Nc2ccc(C(=O)OC(C)(C)C)cc2)c(=O)cc1-c1cc(Cl)ccc1C#N

Procedure:
166 mg (purity 85%, 0.38 mmol) of 2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-4-methylpentanoic acid (racemate) and 1.1 eq. of tert-butyl 4-aminobenzoate were reacted according to General Method 5A. Yield: 127 mg (60% of theory)
Reaction SMILES: [NH2:1][C:2]1[S:3][C:4]([I:7])=[CH:5][N:6]=1.[C:8](Cl)(Cl)=[O:9]>C(OCC)(=O)C>[I:7][C:4]1[S:3][C:2]([N:1]=[C:8]=[O:9])=[N:6][CH:5]=1
Reactant: O=C(Cl)Cl
Reactant: Nc1ncc(I)s1
Solvent: CCOC(C)=O
Product: O=C=Nc1ncc(I)s1
Reaction time: 3 h

Procedure:
2-Amino-5-iodothiazole (19.0 grams) and a saturated solution of phosgene in ethyl acetate (200 ml) are charged into a glass reaction vessel equipped with a mechanical stirrer, thermometer and reflux condenser. The reaction mixture is heated at reflux with stirring for a period of about 3 hours. After this time the reaction mixture is cooled and filtered to recover the desired product 5-iodothiazol-2-yl isocyanate dimer.
Reaction SMILES: [CH3:1][C:2]1([CH3:19])[C:6](=[O:7])[O:5][C:4]2[CH:8]=[CH:9][C:10]3[C:15]([C:3]1=2)=[CH:14][C:13]([CH3:16])=[C:12]([C:17]#[N:18])[CH:11]=3.[Br:20]N1C(=O)CCC1=O.C(OOC(=O)C1C=CC=CC=1)(=O)C1C=CC=CC=1>C(Cl)(Cl)(Cl)Cl>[Br:20][CH2:16][C:13]1[CH:14]=[C:15]2[C:10]([CH:9]=[CH:8][C:4]3[O:5][C:6](=[O:7])[C:2]([CH3:19])([CH3:1])[C:3]=32)=[CH:11][C:12]=1[C:17]#[N:18]
Reactant: O=C1CCC(=O)N1Br
Reactant: Cc1cc2c3c(ccc2cc1C#N)OC(=O)C3(C)C
Agent: O=C(OOC(=O)c1ccccc1)c1ccccc1
Solvent: ClC(Cl)(Cl)Cl
Product: CC1(C)C(=O)Oc2ccc3cc(C#N)c(CBr)cc3c21

Procedure:
A mixture of 1,2-dihydro-1,1,8-trimethyl-2-oxonaphtho[2,1-b]furan-7-carbonitrile, (0.25 g), N-bromosuccinimide (0.2 g), benzoyl peroxide (0.01 g) and carbon tetrachloride (40 ml) was stirred under reflux for 24 h. The reaction mixture was cooled, washed with water, dried and evaporated to dryness under reduced pressure, to give the required starting material, 8-bromomethyl-1,2-dihydro-1,1-dimethyl-2-oxonaphtho[2,1-b]furan-7-carbonitrile, which was used without further purification.
Reaction SMILES: [H-].[Na+].C(OP([CH2:11][C:12]([O:14][CH2:15][CH3:16])=[O:13])(OCC)=O)C.[CH:17]1([C:20]([C:22]2[CH:27]=[CH:26][N:25]=[C:24]([O:28][CH3:29])[CH:23]=2)=O)[CH2:19][CH2:18]1.O>C1COCC1>[CH:17]1([C:20]([C:22]2[CH:27]=[CH:26][N:25]=[C:24]([O:28][CH3:29])[CH:23]=2)=[CH:11][C:12]([O:14][CH2:15][CH3:16])=[O:13])[CH2:18][CH2:19]1
Reactant: COc1cc(C(=O)C2CC2)ccn1
Reactant: CCOC(=O)CP(=O)(OCC)OCC
Agent: [H-]
Agent: [Na+]
Solvent: O
Solvent: C1CCOC1
Product: CCOC(=O)C=C(c1ccnc(OC)c1)C1CC1
Temperature: 0 °C
Reaction time: 0.08 h

Procedure:
Under a nitrogen atmosphere, to a suspension of 60% sodium hydride (2.99 g) in THF (200 ml) was added ethyl diethylphosphonoacetate (29.7 mL) at 0° C., and the mixture was stirred at 0° C. for 5 min. To the obtained colorless solution was added cyclopropyl(2-methoxypyridin-4-yl)methanone (4.42 g) at 0° C., and the mixture was heated under reflux for 1 hr. Water was added to the reaction mixture at room temperature, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give a crude product of the title compound. This compound was used for the next step without further purification.
Reaction SMILES: [Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]([CH3:19])[C:10]([C:15]([F:18])([F:17])[F:16])=[CH:11][C:12]=2[C:13]#[N:14])=[CH:4][CH:3]=1.[Br:20]Br>C(Cl)(Cl)(Cl)Cl>[Br:20][C:11]1[C:12]([C:13]#[N:14])=[C:8]([C:5]2[CH:4]=[CH:3][C:2]([Cl:1])=[CH:7][CH:6]=2)[N:9]([CH3:19])[C:10]=1[C:15]([F:18])([F:16])[F:17]
Reactant: Cn1c(C(F)(F)F)cc(C#N)c1-c1ccc(Cl)cc1
Reactant: BrBr
Solvent: ClC(Cl)(Cl)Cl
Product: Cn1c(-c2ccc(Cl)cc2)c(C#N)c(Br)c1C(F)(F)F
Yield: 94 %

Procedure:
A solution of 2-(p-chlorophenyl)-1-methyl-5-(trifluoromethyl)pyrrole-3-carbonitrile (5.0 g, 0.0176 mol) in carbon tetrachloride is treated with bromine (56 g, 0.0351 mol), heated at reflux temperature for 8 hours, cooled, washed sequentially with water, aqueous sodium metabisulfite and water, dried over sodium sulfate and concentrated in vacuo to give a solid residue. The residue is recrystallized from heptane to give the title produce as a white solid, 6.0 g (94% yield), mp 126°-129° C.
Reaction SMILES: C([O:3][C:4]([C:6]1[CH:7]=[C:8]([C:11](=O)[CH2:12]Br)[O:9][CH:10]=1)=[O:5])C.[CH2:15]([O:17][C:18]1[CH:19]=[C:20]([CH:24]=[CH:25][C:26]=1[O:27][CH2:28][CH3:29])[C:21]([NH2:23])=[S:22])[CH3:16]>>[CH2:15]([O:17][C:18]1[CH:19]=[C:20]([C:21]2[S:22][CH:12]=[C:11]([C:8]3[O:9][CH:10]=[C:6]([C:4]([OH:3])=[O:5])[CH:7]=3)[N:23]=2)[CH:24]=[CH:25][C:26]=1[O:27][CH2:28][CH3:29])[CH3:16]
Reactant: CCOC(=O)c1coc(C(=O)CBr)c1
Reactant: CCOc1ccc(C(N)=S)cc1OCC
Product: CCOc1ccc(-c2nc(-c3cc(C(=O)O)co3)cs2)cc1OCC

Procedure:
4-Ethoxycarbonyl-2-(α-bromoacetyl)furan and 3,4- diethoxythiobenzamide were subjected to the same reaction as in Example 1 and then to the same hydrolysis as in Example 147 to obtain 2-(3,4-diethoxyphenyl)-4-(4-carboxy-2-furyl)thiazole.
Reaction SMILES: S(OS(C(F)(F)F)(=O)=O)(C(F)(F)F)(=O)=O.[C:16]([O:21][CH2:22][C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1)(=[O:20])[C@H:17]([CH3:19])O.N1C(C)=CC=CC=1C.[CH2:37]([O:40][NH2:41])[CH:38]=[CH2:39].C([O-])(O)=O.[Na+]>C(Cl)Cl>[CH2:22]([O:21][C:16](=[O:20])[C@@H:17]([CH3:19])[NH:41][O:40][CH2:37][CH:38]=[CH2:39])[C:23]1[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=1
Reactant: C[C@H](O)C(=O)OCc1ccccc1
Reactant: C=CCON
Agent: O=C([O-])O
Agent: O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F
Agent: [Na+]
Solvent: ClCCl
Solvent: Cc1cccc(C)n1
Product: C=CCON[C@H](C)C(=O)OCc1ccccc1
Temperature: 25 °C
Yield: 99.6 %

Procedure:
A solution of triflic anhydride (10.86 g, 38.5 mmol) in dry CH2Cl2 (20 mL) was added dropwise to a solution of benzyl (S)-lactate (1a) (6.31 g, 35 mmol) in dry CH2Cl2 (100 mL) with cooling (−68˜−72° C.) and stirring. After 5˜7 min, a solution of 2,6-lutidine (4.31 g, 40.3 mmol) in dry CH2Cl2 (15 mL) was added dropwise at the same temperature and the reaction mixture was stirred for 30 min at −68˜−72° C. A solution of O-allylhydroxylamine (4.55 g, 77 mmol) in dry CH2Cl2 (15 mL) was added dropwise to the prepared solution of the alkylating reagent with cooling (−68˜−72° C.) and stirring. The reaction mixture was stirred for 15 min at ca. −72° C. and then was allowed to warm up to RT. After stirring for 15 h at RT, the reaction mixture was thoroughly shaken with sat. aqueous NaHCO3 (200 mL) and dried over MgSO4. After removal of the solvent, the residue was purified by dry flash chromatography (Silica Gel 60H for TLC, 10% EtOAc-hexanes) to afford 8.20 g (99.6%) of the product 2a as a pale yellowish oil. 1H NMR (100 MHz) in CDCl3+1 drop of D2O (J, Hz): δ 1.28 (3H, d, 3J=7.1, MeCH), 3.82 (1H, q, 3J=7.1, MeCH), 4.22 (2H, dt, 3J=5.7, 4J=1.2, OCH2CH═CH2), 5.16-5.37 (2H, m, CH═CH2), 5.23 (2H, CH2Ph), 5.76-6.15 (1H, m, 3J=5.7, 3Jcis=9.9, 3Jtrans=17.1, CH═CH2), 7.38 (5H, Ph). 13C (100 MHz) in CDCl3: δ 14.81, 59.09, 66.63, 75.22, 117.53, 128.06, 128.24, 128.56, 134.37, 135.84, 174.01. IR (film), cm−1: 3264, 1740, 1456, 1208, 1170. Anal. Calcd for C13H17NO3: C, 66.4; H, 7.3; N, 5.95. Found: C, 66.3; H, 7.4; N, 6.15%.
Reaction SMILES: [C:1]([C:3]1[CH:4]=[C:5]([CH:10]=[CH:11][C:12]=1[OH:13])[C:6]([O:8][CH3:9])=[O:7])#[N:2].[C:14](=O)([O-])[O-].[K+].[K+].COS(=O)(=O)OC>CN(C)C=O>[C:1]([C:3]1[CH:4]=[C:5]([CH:10]=[CH:11][C:12]=1[O:13][CH3:14])[C:6]([O:8][CH3:9])=[O:7])#[N:2]
Reactant: COC(=O)c1ccc(O)c(C#N)c1
Reactant: O=C([O-])[O-]
Agent: [K+]
Solvent: CN(C)C=O
Solvent: COS(=O)(=O)OC
Product: COC(=O)c1ccc(OC)c(C#N)c1
Temperature: 25 °C
Reaction time: 1 h
Yield: 85.5 %

Procedure:
Methyl 3-cyano-4-hydroxybenzoate (1.00 g) was dissolved in N,N-dimethylformamide (5 mL), and potassium carbonate (1.56 g) and dimethylsulfuric acid (0.70 mL) were added to the solution, and then the mixture was stirred at room temperature for 1 hour. After the reaction solution was filtered, water was added and the reaction mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, and then dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure to obtain the title compound (923 mg) as a yellow solid.