Azzindani/Open_Reaction_Data huggingface dataset:
Reaction SMILES: [N+:1]([C:4]1[C:5](O)=[N:6][CH:7]=[N:8][CH:9]=1)([O-:3])=[O:2].P(Cl)(Cl)([Cl:13])=O>C(#N)C.C(OCC)(=O)C>[Cl:13][C:5]1[C:4]([N+:1]([O-:3])=[O:2])=[CH:9][N:8]=[CH:7][N:6]=1
Reactant: O=P(Cl)(Cl)Cl
Reactant: O=[N+]([O-])c1cncnc1O
Solvent: CC#N
Solvent: CCOC(C)=O
Product: O=[N+]([O-])c1cncnc1Cl
Temperature: 25 °C
Yield: 32.6 %

Procedure:
The mixture of 5-nitropyrimidin-4-ol (1.04 g) and phosphorus oxychloride (5.66 g) in acetonitrile (10 mL) was stirred at reflux for 2 h. After this time, the reaction mixture was cooled to ambient temperature, diluted with ethyl acetate (50 mL), and filtered and the filtrate was concentrated under reduced pressure. The residue obtained was diluted with ethyl acetate (100 mL), washed with saturated aqueous sodium bicarbonate (50 mL) then brine (50 mL), and filtered and the filtrate was concentrated under reduced pressure. The residue obtained was purified by chromatography (silica, heptane to 1:3 ethyl acetate/heptane) to afford 4-chloro-5-nitropyrimidine (383 mg, 33%) as a colorless oil.
Reaction SMILES: Cl.[CH2:2]([O:9][NH2:10])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[CH3:11][N:12]1C(=O)O[C:15](=[O:16])[C:14]2=[CH:20][C:21]([Cl:24])=[CH:22][CH:23]=[C:13]12>>[CH3:11][NH:12][C:13]1[CH:23]=[CH:22][C:21]([Cl:24])=[CH:20][C:14]=1[C:15]([NH:10][O:9][CH2:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1)=[O:16]
Reactant: Cn1c(=O)oc(=O)c2cc(Cl)ccc21
Reactant: NOCc1ccccc1
Agent: Cl
Product: CNc1ccc(Cl)cc1C(=O)NOCc1ccccc1
Yield: 50.6 %

Procedure:
In the same manner as Example 35(a), O-benzylhydroxylamine hydrochloride (1.92 g, 12 mmol) reacted with N-methyl-5-chloro-isatoic anhydride (2.13 g, 10 mmol) to give 2-methylamino-5 chloro-N-benzyloxylbenzamide as a white solid (1.47 g).
Reaction SMILES: [NH2:1][C:2]1[CH:3]=[CH:4][N:5]([CH3:27])[C:6]2[C:7]=1[CH:8]=[CH:9][C:10]1[N:19]([C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][CH:21]=3)[CH2:18][CH:17]=[C:12]3[NH:13][C:14](=[O:16])[C:15]=2[C:11]=13.C(N(CC)C(C)C)(C)C.[N:37]([C:40]1[CH:45]=[CH:44][CH:43]=[C:42]([O:46][C:47]2[CH:52]=[CH:51][CH:50]=[CH:49][CH:48]=2)[CH:41]=1)=[C:38]=[O:39]>CN(C)C(=O)C>[F:26][C:23]1[CH:22]=[CH:21][C:20]([N:19]2[C:10]3=[C:11]4[C:15](=[C:6]5[N:5]([CH3:27])[CH:4]=[CH:3][C:2]([NH:1][C:38]([NH:37][C:40]6[CH:45]=[CH:44][CH:43]=[C:42]([O:46][C:47]7[CH:52]=[CH:51][CH:50]=[CH:49][CH:48]=7)[CH:41]=6)=[O:39])=[C:7]5[CH:8]=[CH:9]3)[C:14](=[O:16])[NH:13][C:12]4=[CH:17][CH2:18]2)=[CH:25][CH:24]=1
Reactant: O=C=Nc1cccc(Oc2ccccc2)c1
Reactant: CN1C=CC(N)=c2ccc3c4c([nH]c(=O)c-4c21)=CCN3c1ccc(F)cc1
Solvent: CC(=O)N(C)C
Solvent: CCN(C(C)C)C(C)C
Product: CN1C=CC(NC(=O)Nc2cccc(Oc3ccccc3)c2)=c2ccc3c4c([nH]c(=O)c-4c21)=CCN3c1ccc(F)cc1
Yield: 28 %

Procedure:
A stock solution of Example 23e and N,N-diisopropylethylamine (0.0875 M and 0.042 in N,N-dimethylacetamide, respectively, 497 μL, 0.042 mmol Example 23e and 0.126 mmol N,N-diisopropylethylamine) and 1-isocyanato-3-phenoxybenzene (0.40 M in N,N-dimethylacetamide, 208 μL, 0.084 mmol) were aspirated from their respective source vials, mixed through a perfluoroalkoxy mixing tube (0.2 mm inner diameter), and loaded into an injection loop. The reaction segment was injected into the flow reactor (Hastelloy coil, 0.75 mm inner diameter, 1.8 mL internal volume) set at 150° C., and passed through the reactor at 180 μL per minute (10 minute residence time). Upon exiting the reactor, the reaction mixture was loaded directly into an injection loop and purified by reverse phase HPLC(C8, acetonitrile/water (0.1% ammonium acetate), 5-100%) to give 0.0067 g (28%) of the title compound. 1H NMR (400 MHz, DMSO-d6/D2O) δ 7.90 (d, J=2.44 Hz, 1H), 7.60 (s, 1H), 7.40 (m, 2H), 7.27 (m, 3H), 7.16 (m, 3H), 7.03 (m, 2H), 6.97 (s, 1H), 6.78 (m, 2H), 6.64 (m, 1H), 6.51 (m, 2H), 4.60 (m, 2H), 4.06 (s, 3H). MS (APCI+) m/z 572.1 (M+H)+.
Reaction SMILES: [Cl:1][C:2]1[NH:3][C:4]([Cl:25])=[C:5]([Cl:24])[C:6]=1[C:7](=[O:23])[C:8]1[CH:13]=[C:12]([C:14]([CH3:17])([CH3:16])[CH3:15])[C:11]([OH:18])=[C:10]([C:19]([CH3:22])([CH3:21])[CH3:20])[CH:9]=1.[H-].[Na+].[CH3:28]I.O>CN(C=O)C>[CH3:28][N:3]1[C:4]([Cl:25])=[C:5]([Cl:24])[C:6]([C:7](=[O:23])[C:8]2[CH:13]=[C:12]([C:14]([CH3:17])([CH3:16])[CH3:15])[C:11]([OH:18])=[C:10]([C:19]([CH3:22])([CH3:21])[CH3:20])[CH:9]=2)=[C:2]1[Cl:1]
Reactant: CI
Reactant: CC(C)(C)c1cc(C(=O)c2c(Cl)[nH]c(Cl)c2Cl)cc(C(C)(C)C)c1O
Agent: [H-]
Agent: [Na+]
Solvent: O
Solvent: CN(C)C=O
Product: Cn1c(Cl)c(Cl)c(C(=O)c2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)c1Cl
Temperature: 25 °C
Reaction time: 1 h

Procedure:
2,4,5-Trichloro-3-(3,5-di-t-butyl-4-hydroxybenzoyl)pyrrole (3.3 g) dissolved in DMF (35 ml) was treated with sodium hydride (50%, 0.432 g) in 4 portions, under nitrogen with stirring at room temperature. After 1 hour at room temperature, 0.56 ml of methyl iodide was added, dropwise, via microsyringe. After stirring 5 minutes more, the reaction mixture was poured into water (300 ml). The organic layer was separated, dried and evaporated to dryness. The residue was purified on silica gel, eluting with hexane:ethyl acetate (80:20). The pure product was recrystallized from ether-pentane to give 2.73 g of the title compound (mp 155°-156° C.).
Reaction SMILES: [C:1]([C:5]1[CH:6]=[N:7][C:8]2[C:13]([C:14]=1Cl)=[CH:12][CH:11]=[CH:10][C:9]=2[O:16][CH2:17][CH2:18][S:19][CH3:20])(=[O:4])[CH2:2][CH3:3].[CH:21]([C:24]1[CH:30]=[CH:29][CH:28]=[CH:27][C:25]=1[NH2:26])([CH3:23])[CH3:22]>C(#N)C>[C:1]([C:5]1[CH:6]=[N:7][C:8]2[C:13]([C:14]=1[NH:26][C:25]1[CH:27]=[CH:28][CH:29]=[CH:30][C:24]=1[CH:21]([CH3:23])[CH3:22])=[CH:12][CH:11]=[CH:10][C:9]=2[O:16][CH2:17][CH2:18][S:19][CH3:20])(=[O:4])[CH2:2][CH3:3]
Reactant: CC(C)c1ccccc1N
Reactant: CCC(=O)c1cnc2c(OCCSC)cccc2c1Cl
Solvent: CC#N
Product: CCC(=O)c1cnc2c(OCCSC)cccc2c1Nc1ccccc1C(C)C
Yield: 8 %

Procedure:
A mixture of 3-propanoyl-4-chloro-8-(2-methylthioethoxy)quinoline (305 mg, 1 mmol) and 2-isopropylaniline (1 ml) in 25 ml acetonitrile was refluxed overnight. The solvent was evaporated and the residue was partitioned between methylene chloride and a saturated sodium bicarbonate solution. The organic layer was dried over sodium sulfate and evaporated. The residue was chromatographed on a prep-TLC (methylene chloride:ethyl acetate 1:1) yielding 30 mg (8%) of the desired product.
Reaction SMILES: [CH3:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[CH2:4][C:5](=[O:11])[NH:6]2.[O:12]=[C:13]1[C:18]2=[CH:19][NH:20][C:21]([CH:22]=O)=[C:17]2[CH2:16][CH2:15][O:14]1>>[CH3:1][C:2]1[CH:10]=[CH:9][CH:8]=[C:7]2[C:3]=1[C:4](=[CH:22][C:21]1[NH:20][CH:19]=[C:18]3[C:13](=[O:12])[O:14][CH2:15][CH2:16][C:17]=13)[C:5](=[O:11])[NH:6]2
Reactant: O=Cc1[nH]cc2c1CCOC2=O
Reactant: Cc1cccc2c1CC(=O)N2
Product: Cc1cccc2c1C(=Cc1[nH]cc3c1CCOC3=O)C(=O)N2

Procedure:
4-Methyl-1,3-dihydro-indol-2-one was condensed with 4-oxo-2,4,6,7-tetrahydro-pyrano[3,4-c]pyrrole-1-carbaldehyde to give the title compound.
Reaction SMILES: [C:1]([N:8]1[CH2:11][CH2:10][C@@H:9]1[CH2:12][O:13][C:14]1[CH:15]=[N:16][C:17]([Cl:21])=[C:18](Br)[CH:19]=1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].CCN(CC)CC.[CH3:29][Si:30]([C:33]#[CH:34])([CH3:32])[CH3:31]>C1(C)C=CC=CC=1.[I+].[Cu+].C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([N:8]1[CH2:11][CH2:10][C@@H:9]1[CH2:12][O:13][C:14]1[CH:15]=[N:16][C:17]([Cl:21])=[C:18]([C:34]#[C:33][Si:30]([CH3:32])([CH3:31])[CH3:29])[CH:19]=1)([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2]
Reactant: CC(C)(C)OC(=O)N1CC[C@@H]1COc1cnc(Cl)c(Br)c1
Reactant: C#C[Si](C)(C)C
Agent: [Cu+]
Agent: c1ccc([P](c2ccccc2)(c2ccccc2)[Pd]([P](c2ccccc2)(c2ccccc2)c2ccccc2)([P](c2ccccc2)(c2ccccc2)c2ccccc2)[P](c2ccccc2)(c2ccccc2)c2ccccc2)cc1
Agent: [I+]
Solvent: CCN(CC)CC
Solvent: Cc1ccccc1
Product: CC(C)(C)OC(=O)N1CC[C@@H]1COc1cnc(Cl)c(C#C[Si](C)(C)C)c1
Temperature: 100 °C
Yield: 62.2 %

Procedure:
To a solution of 3-(1-BOC-2-(R)-azetidinylmethoxy)-6-chloro-5-bromopyridine (660 mg, 1.75 mmol) in toluene (20 mL) was added NEt3 (0.7 mL), copper (I) iodine (33 mg), tetrakis(triphenylphosphine)palladium (0) (201 mg) and (trimethylsilyl)acetylene (0.30 mL, 2.10 mmol). The reaction mixture was stirred and heated at 100° C. for 16 h. Solvent was evaporated and the residue was chromatographed (silica gel; hexane/EtoAc, 5:1 to 2:1) to afford an oil (430 mg, 62%): 1H NMR (CDCl3, 300 MHz) δ 1.42 (s, 9H), 2.20-2.40 (m, 2H), 3.80-3.92 (m, 2H), 4.10 (m, 1H), 4.30 (m,1H), 4.50 (m, 1H), 7.37 (d, (H, J=3.0 Hz), 8.05 (d, 1H, J=3.0 Hz); MS (CI/NH3) m/z 395 (M+H)+.
Reaction SMILES: C(OC([NH:8][C@H:9]([C:11]([NH:13][C@H:14]([C:16]([O:18][CH2:19][CH2:20][O:21][C:22]1[CH:27]=[CH:26][C:25]([C:28]2[C:33]([C:34]#[N:35])=[C:32]([N:36]3[CH2:40][CH2:39][CH2:38][CH2:37]3)[N:31]=[C:30]([S:41][CH2:42][C:43]3[N:44]=[C:45]([C:48]4[CH:53]=[CH:52][C:51]([Cl:54])=[CH:50][CH:49]=4)[S:46][CH:47]=3)[C:29]=2[C:55]#[N:56])=[CH:24][CH:23]=1)=[O:17])[CH3:15])=[O:12])[CH3:10])=O)(C)(C)C.Cl>ClCCl.C(OCC)C>[ClH:54].[NH2:8][C@H:9]([C:11]([NH:13][C@H:14]([C:16]([O:18][CH2:19][CH2:20][O:21][C:22]1[CH:23]=[CH:24][C:25]([C:28]2[C:33]([C:34]#[N:35])=[C:32]([N:36]3[CH2:40][CH2:39][CH2:38][CH2:37]3)[N:31]=[C:30]([S:41][CH2:42][C:43]3[N:44]=[C:45]([C:48]4[CH:49]=[CH:50][C:51]([Cl:54])=[CH:52][CH:53]=4)[S:46][CH:47]=3)[C:29]=2[C:55]#[N:56])=[CH:26][CH:27]=1)=[O:17])[CH3:15])=[O:12])[CH3:10]
Reactant: C[C@H](NC(=O)OC(C)(C)C)C(=O)N[C@@H](C)C(=O)OCCOc1ccc(-c2c(C#N)c(SCc3csc(-c4ccc(Cl)cc4)n3)nc(N3CCCC3)c2C#N)cc1
Agent: Cl
Solvent: CCOCC
Solvent: ClCCl
Product: C[C@H](N)C(=O)N[C@@H](C)C(=O)OCCOc1ccc(-c2c(C#N)c(SCc3csc(-c4ccc(Cl)cc4)n3)nc(N3CCCC3)c2C#N)cc1
Temperature: 25 °C
Reaction time: 8 h

Procedure:
1.5 g (1.84 mmol) of 2-{4-(2-({(2-(4-chlorophenyl)-1,3-thiazol-4-yl)methyl}sulfanyl)-3,5-dicyano-6-(pyrrolidin-1-yl)pyridin-4-yl)phenoxy}ethyl N-(tert-butoxycarbonyl)-L-alanyl-L-alaninate (Example 7A) were initially charged in 24 ml of dichloromethane. 18.37 ml of a 1N solution of hydrogen chloride in diethyl ether were added, and the reaction solution was then stirred at RT overnight. The solid formed was filtered off and washed with diethyl ether. This gave 1.44 g (97% of theory, purity about 94%) of the target compound.
Reaction SMILES: C[O:2][C:3](=[O:21])[C@H:4]([CH2:13][C:14]1[CH:19]=[CH:18][C:17]([OH:20])=[CH:16][CH:15]=1)[NH:5]C(OC(C)(C)C)=O.[CH2:22]([C:24]1[O:28][C:27]([C:29]2[CH:34]=[CH:33][C:32]([F:35])=[CH:31][CH:30]=2)=[N:26][C:25]=1[CH2:36]O)[CH3:23].C(O)(C(F)(F)F)=O.[OH-].[Na+]>O>[NH2:5][C@@H:4]([CH2:13][C:14]1[CH:15]=[CH:16][C:17]([O:20][CH2:36][C:25]2[N:26]=[C:27]([C:29]3[CH:30]=[CH:31][C:32]([F:35])=[CH:33][CH:34]=3)[O:28][C:24]=2[CH2:22][CH3:23])=[CH:18][CH:19]=1)[C:3]([OH:2])=[O:21]
Reactant: COC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)OC(C)(C)C
Reactant: CCc1oc(-c2ccc(F)cc2)nc1CO
Agent: [Na+]
Agent: [OH-]
Solvent: O=C(O)C(F)(F)F
Solvent: O
Product: CCc1oc(-c2ccc(F)cc2)nc1COc1ccc(C[C@H](N)C(=O)O)cc1
Yield: 80.7 %

Procedure:
Intermediate 63 was prepared as described above for the preparation of intermediate 52. From 962 mg of N-(Boc)-L-Tyrosine methyl ester and 720 mg of Intermediate 10D was prepared 1.32 g of BOC-protected intermediate methyl ester (81% yield; 1H NMR (CDCl3, 300 MHz) δ8.07-8.03 (m, 2H), 7.19-7.13 (m, 2H), 7.08 (d, 2H, J=8.4), 6.97 (d, 2H, J=8.4), 4.99-4.97 (m, 3H), 4.58-4.57 (m, 1H), 3.74 (s, 3H), 3.09-3.03 (m, 2H), 2.82 (q, 2H. J=7.5), 1.59 (s, 9H), 1.30 (t, 3H, J=7.5); From 1.31 g of BOC-protected ester intermediate was prepared the crude TFA salt of intermediate 63. The TFA salt was suspended into water and the pH adjusted to ˜7.0 with 10% NaOH. The resulting solids were filtered and dried to yield 1.01 g of the title compound; 1H NMR (DMSO-d6, 300 MHz) δ8.01-7.97 (m, 2H), 7.36 (t, 2H, J=9.0), 7.18 (d, 2H, J=8.4), 6.96 (d, 2H, J=8.4), 4.97 (s, 2H), 3.53-3.51 (m, 2H), 3.09-3.04 (m, 2H), 2.84 (q, 2H, J=7.5), 1.22 (t, 3H, J=7.5); low resolution MS (ES+)m/e 384.87 (MH+); TLC Rf=0.44 (4/1, DCM/MeOH).
Reaction SMILES: [F:1][C:2]1[CH:29]=[CH:28][C:5]([CH2:6][N:7]2[C:12](=[O:13])[CH2:11][N:10]([C:14]([O:16][CH2:17][C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)=[O:15])[CH2:9][CH:8]2[CH2:24][C:25]([OH:27])=O)=[CH:4][CH:3]=1.F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)[N:48]([CH3:50])[CH3:49])C2C=CC=CC=2N=N1.CNC>C1COCC1.ClCCl>[CH3:49][N:48]([CH3:50])[C:25](=[O:27])[CH2:24][CH:8]1[CH2:9][N:10]([C:14]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)=[O:15])[CH2:11][C:12](=[O:13])[N:7]1[CH2:6][C:5]1[CH:28]=[CH:29][C:2]([F:1])=[CH:3][CH:4]=1
Reactant: CN(C)[P+](On1nnc2ccccc21)(N(C)C)N(C)C
Reactant: O=C(O)CC1CN(C(=O)OCc2ccccc2)CC(=O)N1Cc1ccc(F)cc1
Agent: CNC
Agent: F[P-](F)(F)(F)(F)F
Solvent: C1CCOC1
Solvent: ClCCl
Product: CN(C)C(=O)CC1CN(C(=O)OCc2ccccc2)CC(=O)N1Cc1ccc(F)cc1
Reaction time: 8 h

Procedure:
To a solution of [1-(4-fluorobenzyl)-4-(benzyloxycarbonyl)-6-oxo-piperazin-2-yl]acetic acid (0.8 g, 2.0 mmol) in THF (30 mL) was added benzotriazol-1-yloxytris(dimethylamino)phosphonium hexafluorophosphate (2.07 g, 4.68 mmol) and dimethylamine (2.0 M in THF, 2.34 mL, 4.68 mmol). The reaction was stirred overnight. The reaction mixture was then diluted with dichloromethane, washed with aqueous hydrochloric acid, brine, dried over sodium sulfate, filtered and concentrated. The residue was purified by column chromatography with silica gel using hexanes and ethyl acetate as eluents to give the title compound. 1H NMR (400 MHz, CDCl3) δ 7.23-7.38 (m, 7H), 7.01 (t, J=8.6 Hz, 2H), 5.0-5.24 (m, 3H), 4.45-4.60 (m, 1H), 3.88-4.26 (m, 4H), 3.02-3.20 (m, 1H), 2.62-2.95 (m, 6H), 2.42-2.62 (m, 1H), 2.24 (d, J=15.8 Hz, 1H).
Reaction SMILES: [C:1]([NH:8][C@H:9]([C:11](N)=O)[CH3:10])([O:3][C:4]([CH3:7])([CH3:6])[CH3:5])=[O:2].F[B-](F)(F)F.C([O+](CC)CC)C.[F:26][C:27]1[CH:28]=[C:29]([NH:34][C:35]2[CH:36]=[N:37][CH:38]=[C:39]([F:41])[CH:40]=2)[C:30]([NH2:33])=[CH:31][CH:32]=1>C(Cl)Cl>[C:4]([O:3][C:1](=[O:2])[NH:8][C@H:9]([C:10]1[N:34]([C:35]2[CH:36]=[N:37][CH:38]=[C:39]([F:41])[CH:40]=2)[C:29]2[CH:28]=[C:27]([F:26])[CH:32]=[CH:31][C:30]=2[N:33]=1)[CH3:11])([CH3:7])([CH3:6])[CH3:5]
Reactant: C[C@H](NC(=O)OC(C)(C)C)C(N)=O
Reactant: Nc1ccc(F)cc1Nc1cncc(F)c1
Agent: CC[O+](CC)CC
Agent: F[B-](F)(F)F
Solvent: ClCCl
Product: C[C@H](NC(=O)OC(C)(C)C)c1nc2ccc(F)cc2n1-c1cncc(F)c1
Temperature: 25 °C
Reaction time: 2 h
Yield: 96.3 %

Procedure:
To a suspension of (S)-Boc-alaninamide (17.4 g, 92.5 mmol) in DCM (180 mL, dried over molecular sieves) was added triethyloxonium tetrafluoroborate (16.0 g, 84.1 mmol) in one portion under a nitrogen atmosphere. The resulting mixture was stirred at RT for 2 h. The volatiles were removed in vacuo and the resulting residue taken up in absolute EtOH (200 mL) then 4-fluoro-N2-(5-fluoropyridin-3-yl)-benzene-1,2-diamine (6.20 g, 28.0 mmol) added. After stirring the reaction mixture at 60° C. for 2 h, the solvent was removed in vacuo and the resulting residue partitioned between DCM and an aqueous solution of NaHCO3. The layers were separated and the aqueous fraction extracted with DCM. The combined organic fractions were dried (Na2SO4) and concentrated in vacuo. The resulting residue was purified by column chromatography (120 g Si—PCC, gradient 0-70% EtOAc in DCM) to afford the title compound as a green solid (10.1 g, 96%). LCMS (Method C): RT 3.23 min [M+H]+ 375.18.
Reaction SMILES: Br[C:2]1[S:3][C:4]2[CH:10]=[C:9]([CH3:11])[CH:8]=[C:7]([Br:12])[C:5]=2[N:6]=1.[SH2:13].[Na]>CO>[Br:12][C:7]1[C:5]2[N:6]=[C:2]([SH:13])[S:3][C:4]=2[CH:10]=[C:9]([CH3:11])[CH:8]=1
Reactant: Cc1cc(Br)c2nc(Br)sc2c1
Reactant: S
Agent: [Na]
Solvent: CO
Product: Cc1cc(Br)c2nc(S)sc2c1
Temperature: 25 °C
Yield: 84 %

Procedure:
3.1 g of 2,4-dibromo-6-methylbenzothiazole, 1.0 g of sodium hydrogensulfide and 30 ml of methanol were mixed and the obtained mixture was refluxed for one hour, cooled to room temperature and then distilled under reduced pressure to remove methanol. The residue was extracted with dichloromethane by adding water and dichloromethane. The dichloromethane layer was dried with anhydrous sodium sulfate and evaporated to obtain the title compound in a solid state (Yield: 84%).
Reaction SMILES: [OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH2:9][CH2:10][C:11](=[O:14])[NH:12][N:13]=2)=[CH:4][CH:3]=1.C([O-])([O-])=O.[K+].[K+].Br[CH2:22][C:23]([O:25][CH2:26][CH3:27])=[O:24]>CN(C=O)C>[C:23]([CH2:22][O:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH2:9][CH2:10][C:11](=[O:14])[NH:12][N:13]=2)=[CH:4][CH:3]=1)([O:25][CH2:26][CH3:27])=[O:24]
Reactant: O=C1CCC(c2ccc(O)cc2)=NN1
Reactant: CCOC(=O)CBr
Agent: O=C([O-])[O-]
Agent: [K+]
Solvent: CN(C)C=O
Product: CCOC(=O)COc1ccc(C2=NNC(=O)CC2)cc1
Temperature: 100 °C
Yield: 69.3 %

Procedure:
A mixture of 2.00 g (10.5 mmol) of the phenol prepared above, 1.60g (11.6 mmol) of anhydrous K2CO3, 1.304 ml (11.8 mmol) of ethyl bromoacetate, and 40 ml of DMF is heated at 100° C. for 2 hrs under N2. The DMF is removed under vacuum and the residue taken up in 150 ml of EtOAc and 75 ml of water. The organic phase is washed with 50 ml of 5% aqueous NaOH, twice with saturated NaCl, dried (MgSO4), filtered, and the solvent removed to leave 2.186 g of a slightly yellow solid. This is recrystallized from hexane-EtOAc to give 2.01 g of 6-(4-carboethoxymethoxyphenyl)-4,5-dihydro3(2H)-pyridazinone as a white, crystalline solid, m.p. 127°-129° C. Yield 69%.
Reaction SMILES: CS[C:3](=[N:6][C:7]#[N:8])[S:4][CH3:5].[NH2:9][CH2:10][CH2:11][S:12][CH2:13][C:14]1[S:15][CH:16]=[CH:17][N:18]=1>>[C:7]([NH:6][C:3](=[N:9][CH2:10][CH2:11][S:12][CH2:13][C:14]1[S:15][CH:16]=[CH:17][N:18]=1)[S:4][CH3:5])#[N:8]
Reactant: CSC(=NC#N)SC
Reactant: NCCSCc1nccs1
Product: CSC(=NCCSCc1nccs1)NC#N

Procedure:
Reaction of dimethylcyanodithioimidocarbonate with 2-[(2-aminoethyl)thiomethyl]thiazole by the method described in Example 3(d) gave N-cyano-N'-[2-(2-thiazolylmethylthio)ethyl]-S-methylisothiourea. Fusion of this compound (2.15 g) with 4-methyl-5-((2-aminoethyl)thiomethyl)imidazole (2.02 g) on the steam bath for 6 hours, followed by chromatographed purification on a column of silica gel with ethyl acetate/isopropyl alcohol (5:1) as eluant afforded the title compound.
Reaction SMILES: C([N-]C(C)C)(C)C.[Li+].[F:9][C:10]([F:23])([F:22])[O:11][C:12]1[CH:17]=[CH:16][C:15]([CH2:18][C:19]([OH:21])=[O:20])=[CH:14][CH:13]=1.I[CH2:25][CH:26]1[CH2:30][CH2:29][CH2:28][CH2:27]1>O1CCCC1.CN1CCCN(C)C1=O.CN1CCCN(C)C1=O>[CH:26]1([CH2:25][CH:18]([C:15]2[CH:14]=[CH:13][C:12]([O:11][C:10]([F:22])([F:23])[F:9])=[CH:17][CH:16]=2)[C:19]([OH:21])=[O:20])[CH2:30][CH2:29][CH2:28][CH2:27]1
Reactant: O=C(O)Cc1ccc(OC(F)(F)F)cc1
Reactant: ICC1CCCC1
Agent: CC(C)[N-]C(C)C
Agent: [Li+]
Solvent: CN1CCCN(C)C1=O
Solvent: C1CCOC1
Product: O=C(O)C(CC1CCCC1)c1ccc(OC(F)(F)F)cc1
Temperature: -78 °C
Reaction time: 0.75 h
Yield: 30.3 %

Procedure:
A solution of freshly prepared lithium diisopropylamide (23 mL of a 0.31M stock solution, 7.13 mmol) cooled to −78° C. was treated with (4-trifluoromethoxy-phenyl)-acetic acid (0.74 g, 3.39 mmol) in tetrahydrofuran/ 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (8.5 mL, 3:1). The resulting solution was stirred at −78° C. for 45 min. At this time, the reaction was treated with a solution of iodomethylcyclopentane (0.78 g, 3.73 mmol) in 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (1 mL). The reaction mixture was stirred at −78° C. for 4 h. The reaction was then warmed to 25° C. and was stirred at 25° C. for 18 h. The reaction mixture was then quenched by the dropwise addition of saturated aqueous ammonium chloride solution (10 mL). The resulting mixture was concentrated in vacuo to remove the excess solvent. The residue was diluted with water (100 mL) and acidified to pH=1 with a 1N aqueous hydrochloric acid solution. This solution was extracted with ethyl acetate (3×50 mL). The organics were washed with a saturated aqueous lithium chloride solution (1×100 mL), dried over sodium sulfate, filtered, and concentrated in vacuo. Flash chromatography (Merck Silica gel 60, 230-400 mesh, 50/50 hexanes/ethyl acetate) afforded 3-cyclopentyl-2-(4-trifluoromethoxy-phenyl)-propionic acid (0.31 g, 30.6%) as a tan solid: mp 62-64° C.; EI-HRMS m/e calcd for C15H17F3O3 (M+) 302.1129 found 302.1131.
Reaction SMILES: [CH:1]1([C:4]2[CH:11]=[CH:10][C:7]([CH:8]=[O:9])=[CH:6][CH:5]=2)[CH2:3][CH2:2]1.Br[C:13]1C=CC(C2(CC)CC2)=C[CH:14]=1.[Li]CCCC.CN(C=O)C>>[CH2:13]([C:1]1([C:4]2[CH:5]=[CH:6][C:7]([CH:8]=[O:9])=[CH:10][CH:11]=2)[CH2:2][CH2:3]1)[CH3:14]
Reactant: O=Cc1ccc(C2CC2)cc1
Reactant: CCC1(c2ccc(Br)cc2)CC1
Agent: [Li]CCCC
Solvent: CN(C)C=O
Product: CCC1(c2ccc(C=O)cc2)CC1
Yield: 81 %

Procedure:
The title compound was synthesized in analogy to 4-cyclopropyl benzaldehyde (described in example S53) using 1-bromo-4-(1-ethylcyclopropyl)-benzene (208 mg, 0.92 mmol), n-BuLi (635 μl, 1.6M solution in hexane, 1.02 mmol) and DMF (144 μl, 1.85 mmol). The isolated residue was purified by flash column chromatography (1:9 ether:pentane) to give 4-(1-ethylcyclopropyl)-benzaldehyde (130 mg, 81%) as a colorless oil. 1H NMR (CDCl3, 300 MHz): δ 9.97 (s, 1H), 7.80 (d, J=8.5 Hz, 2H), 7.43 (d, J=8.5 Hz, 2H), 1.65 (q, J=7.5 Hz, 2H), 0.86 (t, J=7.5 Hz, 3H), 0.89-0.82 (m, 2H), 0.79-0.75 (m, 2H).
Reaction SMILES: CN(C)C=O.[O:6]=[C:7]1[NH:12][CH:11]=[N:10][C:9]([N:13]2[CH2:18][CH2:17][N:16]([C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH2:15][CH2:14]2)=[N:8]1.C(=O)([O-])[O-].[K+].[K+].[Cl:32][C:33]1[CH:40]=[CH:39][C:36]([CH2:37]Br)=[CH:35][CH:34]=1>O>[Cl:32][C:33]1[CH:40]=[CH:39][C:36]([CH2:37][N:12]2[CH:11]=[N:10][C:9]([N:13]3[CH2:14][CH2:15][N:16]([C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])[CH2:17][CH2:18]3)=[N:8][C:7]2=[O:6])=[CH:35][CH:34]=1
Reactant: CC(C)(C)OC(=O)N1CCN(c2nc[nH]c(=O)n2)CC1
Reactant: Clc1ccc(CBr)cc1
Agent: O=C([O-])[O-]
Agent: [K+]
Solvent: O
Solvent: CN(C)C=O
Product: CC(C)(C)OC(=O)N1CCN(c2ncn(Cc3ccc(Cl)cc3)c(=O)n2)CC1
Temperature: 25 °C
Reaction time: 24 h
Yield: 68 %

Procedure:
To an N,N-dimethylformamide solution (200 mL) of the crude product of tert-butyl 4-(4-oxo-4,5-dihydro-1,3,5-triazin-2-yl)piperazine-1-carboxylate synthesized in Reference Synthesis Example 7 and potassium carbonate (7.46 g, 54.0 mmol), 4-chlorobenzyl bromide (10.2 g, 49.5 mmol) was added at room temperature and the resultant reaction solution was stirred at room temperature for 1 day. After completion of the reaction, water was added to the reaction solution and a deposited solid was collected by filtration. The filtered residue was suspended in ethyl acetate and the suspended solid was collected by filtration and dried under reduced pressure to obtain the title compound (12.4 g, two step yield 68%).