Azzindani/Open_Reaction_Data huggingface dataset:
Reaction SMILES: [Cl:1][C:2]1[C:3]2[N:4]([C:15](=[O:18])[NH:16][N:17]=2)[N:5]=[CH:6][C:7]=1[C:8]1[CH:13]=[CH:12][C:11]([Cl:14])=[CH:10][CH:9]=1.C([O-])([O-])=O.[K+].[K+].Cl[CH2:26][C:27]1[CH:32]=[N:31][CH:30]=[CH:29][N:28]=1>CN(C=O)C.CCOC(C)=O>[Cl:1][C:2]1[C:3]2[N:4]([C:15](=[O:18])[N:16]([CH2:26][C:27]3[CH:32]=[N:31][CH:30]=[CH:29][N:28]=3)[N:17]=2)[N:5]=[CH:6][C:7]=1[C:8]1[CH:13]=[CH:12][C:11]([Cl:14])=[CH:10][CH:9]=1
Reactant: O=c1[nH]nc2c(Cl)c(-c3ccc(Cl)cc3)cnn12
Reactant: ClCc1cnccn1
Agent: O=C([O-])[O-]
Agent: [K+]
Solvent: CCOC(C)=O
Solvent: CN(C)C=O
Product: O=c1n(Cc2cnccn2)nc2c(Cl)c(-c3ccc(Cl)cc3)cnn12
Temperature: 50 °C
Yield: 74 %

Procedure:
To a solution of 8-chloro-7-(4-chlorophenyl)-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one (0.62 g, 2.21 mmol), prepared as described in Example 354, in DMF (10 mL) at RT was added K2CO3 (0.61 g, 4.4 mmol) and 2-(chloromethyl)pyrazine (0.83 g). The reaction mixture was heated at 50° C. for 2 h. After this time, the mixture was diluted with EtOAc (150 mL). The resultant solution was washed with water and saturated aqueous NaCl. The organic layer was dried (MgSO4), filtered and concentrated under reduced pressure. The residue was purified by column chromatography on silica gel eluting with hexanes:EtOAc 1:2 to afford 0.61 g of the title compound, 8-chloro-7-(4-chlorophenyl)-2-(pyrazin-2-ylmethyl)-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one as a yellow solid. HPLC RT: 2.86 min; MS, M+H=373; 1H NMR (CDCl3): δ 8.64 (d, 1H), 8.54 (m, 2H), 8.11 (s, 1H), 7.54-7.49 (m, 4H), 5.48 (s, 2H).
Reaction SMILES: Cl.[Cl:2][C:3]1[CH:4]=[C:5]2[C:9](=[CH:10][CH:11]=1)[NH:8][CH:7]=[C:6]2[CH2:12][CH2:13][NH2:14].[F:15][C:16]1[CH:17]=[C:18]([N:23]2[CH2:27][CH2:26][CH:25]([C:28](O)=[O:29])[C:24]2=[O:31])[CH:19]=[C:20]([F:22])[CH:21]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)C(C)C)(C)C>CN(C=O)C>[Cl:2][C:3]1[CH:4]=[C:5]2[C:9](=[CH:10][CH:11]=1)[NH:8][CH:7]=[C:6]2[CH2:12][CH2:13][NH:14][C:28]([CH:25]1[CH2:26][CH2:27][N:23]([C:18]2[CH:19]=[C:20]([F:22])[CH:21]=[C:16]([F:15])[CH:17]=2)[C:24]1=[O:31])=[O:29]
Reactant: O=C(O)C1CCN(c2cc(F)cc(F)c2)C1=O
Reactant: NCCc1c[nH]c2ccc(Cl)cc12
Agent: CN(C)C(On1nnc2cccnc21)=[N+](C)C
Agent: Cl
Agent: F[P-](F)(F)(F)(F)F
Solvent: CN(C)C=O
Solvent: CCN(C(C)C)C(C)C
Product: O=C(NCCc1c[nH]c2ccc(Cl)cc12)C1CCN(c2cc(F)cc(F)c2)C1=O
Yield: 26 %

Procedure:
This compound was prepared according to method A with 2-(5-chloro-1H-indol-3-yl)ethanamine hydrochloride (0.100 g; 0.424 mmol), 1-(3,5-difluorophenyl)-2-oxopyrrolidine-3-carboxylic acid (0.110 g; 0.445 mmol), HATU (0.166 g; 0.437 mmol) and N,N-diisopropylethylamine (0.186 mL; 1.06 mmol) in DMF (5 mL). The crude material was purified by flash chromatography on silica gel (eluent: 2 to 20% of ethyl acetate in dichloromethane) to give 0.046 g (26%) of N-(2-(5-chloro-1H-indol-3-yl)ethyl)-1-(3,5-difluorophenyl)-2-oxopyrrolidine-3-carboxamide as a white solid.
Reaction SMILES: [Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:16]([CH2:17][C:18]([OH:20])=O)[C:11]3=[N:12][CH:13]=[CH:14][CH:15]=[C:10]3[N:9]=2)=[CH:4][CH:3]=1.C(N1C=CN=C1)(N1C=CN=C1)=O.[F:33][C:34]([F:48])([F:47])[C:35]1[CH:40]=[CH:39][CH:38]=[C:37]([N:41]2[CH2:46][CH2:45][NH:44][CH2:43][CH2:42]2)[CH:36]=1>O1CCCC1>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[N:16]([CH2:17][C:18](=[O:20])[N:44]3[CH2:43][CH2:42][N:41]([C:37]4[CH:38]=[CH:39][CH:40]=[C:35]([C:34]([F:47])([F:48])[F:33])[CH:36]=4)[CH2:46][CH2:45]3)[C:11]3=[N:12][CH:13]=[CH:14][CH:15]=[C:10]3[N:9]=2)=[CH:6][CH:7]=1
Reactant: FC(F)(F)c1cccc(N2CCNCC2)c1
Reactant: O=C(O)Cn1c(-c2ccc(Cl)cc2)nc2cccnc21
Agent: O=C(n1ccnc1)n1ccnc1
Solvent: C1CCOC1
Product: O=C(Cn1c(-c2ccc(Cl)cc2)nc2cccnc21)N1CCN(c2cccc(C(F)(F)F)c2)CC1
Temperature: 25 °C
Reaction time: 2 h
Yield: 47.2 %

Procedure:
A suspension of 2-(4-chlorophenyl)-3H-imidazo[4,5-b]pyridine-3-acetic acid (4.0 g, 0.014 mole), 1,1'-carbonyldiimidazole (2.3 g, 0.014 mole), and anhydrous tetrahydrofuran (100 ml) was stirred at room temperature with a stream of nitrogen bubbling through the mixture for 21/2 hrs. A solution of N-(α, α, α-trifluoro-m-tolyl)-piperazine (3.2 g, 0.014 mole) in dry tetrahydrofuran (10 ml) was added and the reaction mixture was stirred at room temperature for 41/2 hrs. The tetrahydrofuran was evaporated and the residue dissolved in methylene chloride (75 ml). The methylene chloride solution was extracted with 5% potassium hydroxide solution (2×30 ml), water (30 ml), brine (25 ml), dried over sodium sulfate, and concentrated in vacuo. The residue (6.6 g) was twice recrystallized from isopropyl alcohol-isopropyl ether to give 3.3 g (47%) of white needles, mp 185°-186.5° C.
Reaction SMILES: [NH2:1][C:2]1[CH:7]=[CH:6][C:5]([Cl:8])=[CH:4][C:3]=1[C:9]([C:11]1[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1)=[O:10].[CH3:17][O:18][C:19]1[CH:24]=[CH:23][C:22]([S:25](Cl)(=[O:27])=[O:26])=[CH:21][CH:20]=1>>[C:9]([C:3]1[CH:4]=[C:5]([Cl:8])[CH:6]=[CH:7][C:2]=1[NH:1][S:25]([C:22]1[CH:21]=[CH:20][C:19]([O:18][CH3:17])=[CH:24][CH:23]=1)(=[O:27])=[O:26])(=[O:10])[C:11]1[CH:12]=[CH:13][CH:14]=[CH:15][CH:16]=1
Reactant: Nc1ccc(Cl)cc1C(=O)c1ccccc1
Reactant: COc1ccc(S(=O)(=O)Cl)cc1
Product: COc1ccc(S(=O)(=O)Nc2ccc(Cl)cc2C(=O)c2ccccc2)cc1

Procedure:
The known compound was prepared according to the general procedure for the synthesis of N-Aryl-benzenesulfonamides previously described using (2-Amino-5-chloro-phenyl)-phenyl-methanone and 4-methoxy-benzenesulfonyl chloride and purified by flash chromatography (20% EtOAc. Hexane). 1H NMR (CDCl3) δ 9.63 (s, 1H) 7.75 (d, J=12 Hz, 1H) 7.57 (m, 3H) 7.49-7.35 (m, 5H) 7.33 (d, J=4 Hz, 1H) 6.69 (d, J=12 Hz, 2H) 3.67 (s, 3H). MS; m/z=402.0 (M++1).
Reaction SMILES: [CH3:1][O:2][C:3]([C:5]1[N:6]([CH2:23][C:24]2[CH:29]=[CH:28][C:27]([NH2:30])=[CH:26][CH:25]=2)[C:7](=[O:22])[C:8]2[C:13]([C:14]=1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[CH:12][C:11]([Br:21])=[CH:10][CH:9]=2)=[O:4].C(N(CC)CC)C.[CH3:38][S:39](Cl)(=[O:41])=[O:40]>O1CCCC1>[CH3:1][O:2][C:3]([C:5]1[N:6]([CH2:23][C:24]2[CH:25]=[CH:26][C:27]([N:30]([S:39]([CH3:38])(=[O:41])=[O:40])[S:39]([CH3:38])(=[O:41])=[O:40])=[CH:28][CH:29]=2)[C:7](=[O:22])[C:8]2[C:13]([C:14]=1[C:15]1[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=1)=[CH:12][C:11]([Br:21])=[CH:10][CH:9]=2)=[O:4]
Reactant: COC(=O)c1c(-c2ccccc2)c2cc(Br)ccc2c(=O)n1Cc1ccc(N)cc1
Reactant: CS(=O)(=O)Cl
Solvent: CCN(CC)CC
Solvent: C1CCOC1
Product: COC(=O)c1c(-c2ccccc2)c2cc(Br)ccc2c(=O)n1Cc1ccc(N(S(C)(=O)=O)S(C)(=O)=O)cc1
Temperature: 25 °C
Reaction time: 3 h
Yield: 59 %

Procedure:
To a solution of 2-(4-aminobenzyl)-6-bromo-1-oxo-4-phenyl-1,2-dihydroisoquinoline-3-carboxylic acid methyl ester (139 mg) in tetrahydrofuran (5 ml) was added triethylamine (0.48 ml), methanesulfonyl chloride (0.07 ml) was added and the mixture was stirred at room temperature for 3 hrs. The solvent was evaporated under reduced pressure, 1N hydrochloric acid was added, and the mixture was extracted with dichloromethane. The extract was washed with saturated brine and dried by adding sodium sulfate. The solvent was evaporated under reduced pressure, and the obtained residue was purified by silica gel column chromatography (n-hexane/ethyl acetate=3/1-+2/3) to give the title compound (110 mg, 59%).
Reaction SMILES: O1[C:3]23[C@:16]([CH3:21])([CH:17]=[CH:18][C:19](=[O:20])[CH:2]12)[C@@H:15]1[C@H:6]([C@H:7]2[C@@:11]([CH2:13][CH2:14]1)([CH3:12])[C:10](=[O:22])[CH2:9][CH2:8]2)[CH2:5][C:4]3=[CH2:23].B(F)(F)[F:25].CCOCC>C(OCC)C>[F:25][C:2]1[C:19](=[O:20])[CH:18]=[CH:17][C@@:16]2([CH3:21])[C:3]=1[C:4](=[CH2:23])[CH2:5][C@@H:6]1[C@@H:15]2[CH2:14][CH2:13][C@@:11]2([CH3:12])[C@H:7]1[CH2:8][CH2:9][C:10]2=[O:22]
Reactant: C=C1C[C@H]2[C@@H]3CCC(=O)[C@@]3(C)CC[C@@H]2[C@@]2(C)C=CC(=O)C3OC132
Reactant: FB(F)F
Solvent: CCOCC
Product: C=C1C[C@@H]2[C@H](CC[C@]3(C)C(=O)CC[C@@H]23)[C@@]2(C)C=CC(=O)C(F)=C12

Procedure:
A solution of 4,5-epoxy-6-methylenandrost-1-ene-3,17-dione (1.0 g) in diethyl ether (100 ml) was treated with boron trifluoride etherate (1.4 ml) for 3 hours at room temperature. Then the solution was washed with 5% sodium carbonate solution, water, dried (Na2SO4) and evaporated in vacuo. The residue was dissolved in pyridine (20 ml) and 0.4 ml of thionyl chloride were added at 0° C. After 5 minutes water was added and the product isolated with ether. The ether extracts were washed with 2N hydrochloric acid, water, dried (Na2SO4) and evaporated. The resulting raw product was chromatographed on silica gel using hexane/ethyl acetate as eluant to yield 0.6 g of pure 4-fluoro-6-methylenandrosta-1,4-diene-3,17-dione.
Reaction SMILES: [O:1]=[C:2]1[NH:7][C:6]([C:8]2[CH:13]=[CH:12][C:11]([C:14]([F:17])([F:16])[F:15])=[CH:10][CH:9]=2)=[CH:5][N:4]2[C:18]([C:21]#[N:22])=[CH:19][CH:20]=[C:3]12.P12(SP3(SP(SP(S3)(S1)=S)(=S)S2)=S)=S.[CH2:37](N)[CH2:38][NH2:39]>>[NH:22]1[CH2:37][CH2:38][N:39]=[C:21]1[C:18]1[N:4]2[CH:5]=[C:6]([C:8]3[CH:13]=[CH:12][C:11]([C:14]([F:15])([F:17])[F:16])=[CH:10][CH:9]=3)[NH:7][C:2](=[O:1])[C:3]2=[CH:20][CH:19]=1
Reactant: NCCN
Reactant: N#Cc1ccc2c(=O)[nH]c(-c3ccc(C(F)(F)F)cc3)cn12
Agent: S=P12SP3(=S)SP(=S)(S1)SP(=S)(S2)S3
Product: O=c1[nH]c(-c2ccc(C(F)(F)F)cc2)cn2c(C3=NCCN3)ccc12
Temperature: 120 °C
Yield: 81.8 %

Procedure:
A mixture of 1-oxo-3-(4-trifluoromethyl-phenyl)-1,2-dihydro-pyrrolo[1,2-a]pyrazine-6-carbonitrile (Example 2) (0.03 g, 98.9 μmol), phosphorus pentasulfide (8 mg, 36.0 μmol) and ethane-1,2-diamine (0.5 mL, 7.48 mmol) in a sealed vial was heated at 120° C. for 2 h. At this time, the green/yellow reaction mixture was allowed to cool to room temperature and was then poured onto ice water. The resulting solid was collected by filtration, washed with water and dried in vacuo to afford 6-(4,5-dihydro-1H-imidazol-2-yl)-3-(4-trifluoromethyl-phenyl)-2H-pyrrolo[1,2-a]pyrazin-1-one (28 mg, 81%) as light yellow solid. 1H NMR (methanol-d4) δ ppm 7.86-7.91 (m, 3H), 7.77-7.84 (m, 3H), 7.44 (d, J=0.8 Hz, 1H), 3.81 (s, 4H). LC-MS calcd. for C17H14F3N4O [(M+H)+] 347, obsd. 347.0.
Reaction SMILES: Cl[C:2]1[C:11]([CH:12]=[O:13])=[CH:10][C:9]2[C:4](=[C:5]([O:14][CH3:15])[CH:6]=[CH:7][CH:8]=2)[N:3]=1.[F:16][C:17]1[CH:18]=[C:19](B(O)O)[CH:20]=[CH:21][CH:22]=1.C(O)(O)=O>CC#N.O>[F:16][C:17]1[CH:22]=[C:21]([C:2]2[C:11]([CH:12]=[O:13])=[CH:10][C:9]3[C:4](=[C:5]([O:14][CH3:15])[CH:6]=[CH:7][CH:8]=3)[N:3]=2)[CH:20]=[CH:19][CH:18]=1
Reactant: COc1cccc2cc(C=O)c(Cl)nc12
Reactant: OB(O)c1cccc(F)c1
Agent: O=C(O)O
Solvent: O
Solvent: CC#N
Product: COc1cccc2cc(C=O)c(-c3cccc(F)c3)nc12
Temperature: 100 °C
Reaction time: 3 h

Procedure:
A mixture of 2-chloro-8-methoxyquinoline-3-carbaldehyde (1.8583 g, 8.384 mmol), 3-fluorobenzeneboronic acid (1.290 g, 9.223 mmol), tetrakis(tri-phenylphosphine)palladium (0.4844 g, 0.4192 mmol), and sodium carbonate anhydrous (4.443 g, 41.92 mmol) in 76 mL of CH3CN—H2O (3:1) was stirred at 100° C. After 3 h, the mixture was cooled to room temperature and partitioned between EtOAc (200 mL) and water (100 mL). The organic layer was washed with brine (100 mL×2), dried over Na2SO4, filtered, and concentrated under reduced pressure to give an orange solid. The orange solid was purified by silica gel column chromatography on a 80 g of Redi-Sep™ column using 0 to 50% gradient of EtOAc in hexane over 25 min and then 50% isocratic of EtOAc for 25 min as eluent to give 2-(3-fluorophenyl)-8-methoxyquinoline-3-carbaldehyde as a light-yellow solid: 1H NMR (400 MHz, DMSO-d6) δ ppm 10.09 (1 H, s), 8.94 (1 H, s), 7.80 (1 H, dd, J=8.2, 1.2 Hz), 7.66 (1 H, t, J=8.0 Hz), 7.53-7.64 (2 H, m), 7.47-7.53 (1 H, m), 7.36-7.44 (2 H, m), 4.00 (3 H, s); LC-MS (ESI) m/z 282.1 [M+H]+.
Reaction SMILES: [N+:1]([C:4]1[C:5]([Cl:11])=[N:6][CH:7]=[N:8][C:9]=1Cl)([O-:3])=[O:2].C[CH2:13][O-:14].[Na+]>>[Cl:11][C:5]1[C:4]([N+:1]([O-:3])=[O:2])=[C:9]([O:14][CH3:13])[N:8]=[CH:7][N:6]=1
Reactant: O=[N+]([O-])c1c(Cl)ncnc1Cl
Reactant: CC[O-]
Agent: [Na+]
Product: COc1ncnc(Cl)c1[N+](=O)[O-]
Yield: 98.3 %

Procedure:
100 g 5-nitro 4,6-dichloropyrimidine are heated in 1000 ml sodium ethylate solution (16.8 g sodium) for 10 hours to 50° C. Then the reaction mixture is evaporated under vacuum and the residue is stirred with water and vacuum treated. Subsequently, it is extracted several times with hot petroleum ether (boiling range 40° to 60° C.). After cooling, the crystals are vacuum treated and dried. 46 g 4-chloro-6-methoxy-5-nitropyrimidine are obtained having a melting point of 65° C.
Reaction SMILES: [Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][C:6](=[O:11])[C:5]2([N:22]1[CH2:31][C@H:30]([OH:32])[CH2:29][C@H:23]1[C:24]([N:26]([CH3:28])[CH3:27])=[O:25])[C:12]1[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][C:13]=1[O:20][CH3:21].[CH3:33][O:34][C:35]1[CH:40]=[CH:39][C:38]([S:41](Cl)(=[O:43])=[O:42])=[C:37]([O:45][C:46]([F:49])([F:48])[F:47])[CH:36]=1>>[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[N:7]([S:41]([C:38]1[CH:39]=[CH:40][C:35]([O:34][CH3:33])=[CH:36][C:37]=1[O:45][C:46]([F:47])([F:48])[F:49])(=[O:43])=[O:42])[C:6](=[O:11])[C:5]2([N:22]1[CH2:31][C@H:30]([OH:32])[CH2:29][C@H:23]1[C:24]([N:26]([CH3:28])[CH3:27])=[O:25])[C:12]1[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][C:13]=1[O:20][CH3:21]
Reactant: COc1ccc(C2(N3C[C@H](O)C[C@H]3C(=O)N(C)C)C(=O)Nc3ccc(Cl)cc32)c(OC)c1
Reactant: COc1ccc(S(=O)(=O)Cl)c(OC(F)(F)F)c1
Product: COc1ccc(C2(N3C[C@H](O)C[C@H]3C(=O)N(C)C)C(=O)N(S(=O)(=O)c3ccc(OC)cc3OC(F)(F)F)c3ccc(Cl)cc32)c(OC)c1
Yield: 39.1 %

Procedure:
With 150 mg of (4R)-1-[5-chloro-3-(2,4-dimethoxyphenyl)-2-oxo-2,3-dihydro-1H-indol-3-yl]-4-hydroxy-N,N-dimethyl-L-prolinamide (levorotatory compound), which is the compound described in Preparation 3.39 of brochure Publication No. WO01/055130 and 110 mg of 4-methoxy-2-(trifluoromethoxy)benzene sulfonyl chloride as starting materials, 91 mg of the title compound (yellow amorphous) was obtained by a similar method to Example 2.
Reaction SMILES: FC1C=CC(S(=O)(=O)NC(F)(F)F)=CC=1C(O)=O.[OH:19][CH:20]([CH:48]1[CH2:52][O:51]C(C)(C)[O:49]1)[CH2:21][NH:22][C:23](=[O:47])[C:24]1[CH:29]=[C:28]([F:30])[CH:27]=[C:26]([C:31](=[O:38])[NH:32][CH2:33][C:34]([F:37])([F:36])[F:35])[C:25]=1[O:39]CC1C=CC=CC=1.O>CO.Cl.[C].[Pd]>[OH:19][CH:20]([CH:48]([OH:49])[CH2:52][OH:51])[CH2:21][NH:22][C:23](=[O:47])[C:24]1[CH:29]=[C:28]([F:30])[CH:27]=[C:26]([C:31](=[O:38])[NH:32][CH2:33][C:34]([F:37])([F:36])[F:35])[C:25]=1[OH:39]
Reactant: CC1(C)OCC(C(O)CNC(=O)c2cc(F)cc(C(=O)NCC(F)(F)F)c2OCc2ccccc2)O1
Agent: [Pd]
Agent: Cl
Agent: O=C(O)c1cc(S(=O)(=O)NC(F)(F)F)ccc1F
Solvent: CO
Solvent: O
Product: O=C(NCC(O)C(O)CO)c1cc(F)cc(C(=O)NCC(F)(F)F)c1O
Temperature: 25 °C
Reaction time: 3 h

Procedure:
6.95 g (13.5 mmol) of 2 benzyloxy-5-fluoro-3-(2,2,2-trifluoroethylcarbamoyl)-benzoic acid-[2-hydroxy-2-(2,2-dimethyl-1,3-dioxolan-4-yl)-ethylamide] is dissolved in 20 ml of methanol, 5 ml of water and 5 ml of IN hydrochloric acid is added and stirred for 3 hours at room temperature. The solution is then adjusted to pH 6.3 by addition of anion exchanger Amberlite IRA 67, 200 mg of palladium-carbon (10%) is added and hydrogenated for 1 hour at normal pressure. The catalyst is then filtered off, the filtrate is evaporated to dryness in a vacuum and the residue is chromatographed on silica gel 60 (Merck) with dichloromethane/methanol. 3.76 g (9.77 mmol)=72.4% of the theoretical yield of the compound is obtained as an amorphous solid.
Reaction SMILES: [NH:1]1[CH2:4][CH2:3][CH2:2]1.C[O:6][C:7]([C:9]1[C:13]([NH:14][C:15]([C:17]2[C:22]([NH:23][C:24]3[CH:25]=[N:26][CH:27]=[N:28][CH:29]=3)=[CH:21][CH:20]=[C:19]([CH:30]3[CH2:32][CH2:31]3)[N:18]=2)=[O:16])=[CH:12][N:11]([CH3:33])[N:10]=1)=O>>[N:1]1([C:7]([C:9]2[C:13]([NH:14][C:15]([C:17]3[C:22]([NH:23][C:24]4[CH:25]=[N:26][CH:27]=[N:28][CH:29]=4)=[CH:21][CH:20]=[C:19]([CH:30]4[CH2:32][CH2:31]4)[N:18]=3)=[O:16])=[CH:12][N:11]([CH3:33])[N:10]=2)=[O:6])[CH2:4][CH2:3][CH2:2]1
Reactant: COC(=O)c1nn(C)cc1NC(=O)c1nc(C2CC2)ccc1Nc1cncnc1
Reactant: C1CNC1
Product: Cn1cc(NC(=O)c2nc(C3CC3)ccc2Nc2cncnc2)c(C(=O)N2CCC2)n1
Yield: 14 %

Procedure:
According to the general method described in step 5 of example 27, reaction of azetidine with 4-{[6-cyclopropyl-3-(pyrimidin-5-ylamino)-pyridine-2-carbonyl]-amino}-1-methyl-1H-pyrazole-3-carboxylic acid methyl ester provided the title compound (14%) as amorphous yellow solid.
Reaction SMILES: [N:1]1[CH2:2][CH2:3][CH2:4][N:5]2[C:9]3[CH:10]=[C:11]([NH2:14])[CH:12]=[CH:13][C:8]=3[S:7][C:6]=12.C(O[CH:18]=[C:19]([C:25]([O:27][CH2:28][CH3:29])=[O:26])[C:20]([O:22][CH2:23][CH3:24])=[O:21])C>>[N:1]1[CH2:2][CH2:3][CH2:4][N:5]2[C:9]3[CH:10]=[C:11]([NH:14][CH:18]=[C:19]([C:20]([O:22][CH2:23][CH3:24])=[O:21])[C:25]([O:27][CH2:28][CH3:29])=[O:26])[CH:12]=[CH:13][C:8]=3[S:7][C:6]=12
Reactant: Nc1ccc2c(c1)N1CCCN=C1S2
Reactant: CCOC=C(C(=O)OCC)C(=O)OCC
Product: CCOC(=O)C(=CNc1ccc2c(c1)N1CCCN=C1S2)C(=O)OCC
Reaction time: 0.5 h
Yield: 96 %

Procedure:
A mixture of 5.13 parts of 3,4-dihydro-2H-pyrimido[2,1-b]benzothiazol-7-amine and 6.5 parts of diethyl 2-(ethoxymethylene)propanedioate is stirred for 30 minutes at 100°-110° C. The product solidifies on triturating in 1,1'-oxybisethane, yielding 9 parts (96%) of diethyl 2-[(3,4-dihydro-2H-pyrimido[2,1-b]benzothiazol-7-yl)aminomethylene]propanedioate.
Reaction SMILES: [CH3:1]C(C)([O-])C.[K+].[I-].C[S+](C)C.[CH3:12][CH:13]([CH3:22])[C:14]([C:16]1[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=1)=[O:15]>O>[CH:13]([C:14]1([C:16]2[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=2)[CH2:1][O:15]1)([CH3:22])[CH3:12]
Reactant: CC(C)(C)[O-]
Reactant: CC(C)C(=O)c1ccncc1
Agent: C[S+](C)C
Agent: [I-]
Agent: [K+]
Solvent: O
Product: CC(C)C1(c2ccncc2)CO1
Temperature: 0 °C
Yield: 91.3 %

Procedure:
A mixture of potassium tert-butoxide (0.098 g, 0.80 mmol) and trimethylsulfonium iodide (0.164 g, 0.8 mmol) was stirred at 0° C. To this was added 2-methyl-1-(pyridin-4-yl)propan-1-one (0.100 g, 0.671 mmol) slowly. The reaction mixture was stirred at 0° C. for 15 min. and then warmed to and stirred at 70° C. for 1 h. The reaction mixture was diluted with water and extracted with EtOAc (3×10 mL), organic layer dried on sodium sulfate and concentrated under vacuum to obtain 4-(2-isopropyloxiran-2-yl)pyridine (0.1 g). 1H NMR (CDCl3, freebase) δ (ppm): 8.19 (d, 2H), 7.26 (d, 2H), 3.05 (d, 1H), 2.71 (d, 1H), 2.28 (m, 1H), 1.80 (m, 1H), 0.97 (t, 3H).
Reaction SMILES: C([O:3][C:4](=O)[CH2:5][C:6](=O)[C:7]1[CH:12]=[CH:11][C:10]([O:13][CH3:14])=[C:9]([O:15][CH3:16])[CH:8]=1)C.O.[NH2:20][NH2:21]>C(O)C>[CH3:16][O:15][C:9]1[CH:8]=[C:7]([C:6]2[CH2:5][C:4](=[O:3])[NH:21][N:20]=2)[CH:12]=[CH:11][C:10]=1[O:13][CH3:14]
Reactant: NN
Reactant: CCOC(=O)CC(=O)c1ccc(OC)c(OC)c1
Solvent: O
Solvent: CCO
Product: COc1ccc(C2=NNC(=O)C2)cc1OC
Temperature: 25 °C
Reaction time: 0.5 h
Yield: 59.1 %

Procedure:
To a solution of ethyl-3,4-dimethoxybenzoylacetate (1 g, 4 mmol), (Heterocycles 1979, 13, 239), in ethanol (5 ml) containing hydrazine hydrate (192 μl, 4 mmol) was stirred for 30 minutes at ambient temperature followed by 40 minutes being heated at reflux. After cooling at ambient temperature, the mixture was concentrated to half the volume and ether (10 ml) was added. After trituration, the solid was collected by filtration, washed with ether and dried under vacuum to give 3-(3,4-dimethoxyphenyl)-4,5-dihydro-1H-pyrazol-5-one (521 mg, 60%).
Reaction SMILES: [C:1]([C:5]1[N:6]=[C:7]([N:22]2[CH2:27][CH2:26][O:25][CH2:24][CH2:23]2)[C:8]2[N:13]=[N:12][N:11]([CH2:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=3[Cl:21])[C:9]=2[N:10]=1)([CH3:4])([CH3:3])[CH3:2].[C:28](C1N=C(Cl)C2N=NN(CC3C=CC=CC=3Cl)C=2N=1)(C)(C)C.C(O)(=O)C(O)=O.N1C2(COC2)CC1>>[C:1]([C:5]1[N:6]=[C:7]([N:22]2[C:23]3([CH2:28][O:25][CH2:24]3)[CH2:26][CH2:27]2)[C:8]2[N:13]=[N:12][N:11]([CH2:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=3[Cl:21])[C:9]=2[N:10]=1)([CH3:3])([CH3:4])[CH3:2]
Reactant: CC(C)(C)c1nc(Cl)c2nnn(Cc3ccccc3Cl)c2n1
Reactant: CC(C)(C)c1nc(N2CCOCC2)c2nnn(Cc3ccccc3Cl)c2n1
Agent: C1CC2(COC2)N1
Agent: O=C(O)C(=O)O
Product: CC(C)(C)c1nc(N2CCC23COC3)c2nnn(Cc3ccccc3Cl)c2n1

Procedure:
In analogy to the procedure described for the synthesis of 5-tert-butyl-3-(2-chloro-benzyl)-7-morpholin-4-yl-3H-[1,2,3]triazolo[4,5-d]pyrimidine (example 1, step c), the title compound was prepared from 5-tert-butyl-7-chloro-3-(2-chlorobenzyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidine and 6-oxa-1-azaspiro[3.3]heptane oxalate and isolated as light-yellow gum (12.5 mg, 65%). MS(m/e): 399.4 (MH+).
Reaction SMILES: [C:1]([C:3]1[CH:8]=[C:7]([CH2:9][N:10]2[CH2:14][CH2:13][C@H:12]([NH:15][S:16]([C:19]3[CH:28]=[CH:27][C:26]4[C:21](=[CH:22][C:23]([O:29][CH3:30])=[CH:24][CH:25]=4)[CH:20]=3)(=[O:18])=[O:17])[C:11]2=[O:31])[CH:6]=[CH:5][N:4]=1)#[N:2].Br[CH2:33][C:34]1[CH:38]=[CH:37][S:36][CH:35]=1>>[C:1]([C:3]1[CH:8]=[C:7]([CH2:9][N:10]2[CH2:14][CH2:13][C@H:12]([N:15]([CH2:33][C:34]3[CH:38]=[CH:37][S:36][CH:35]=3)[S:16]([C:19]3[CH:28]=[CH:27][C:26]4[C:21](=[CH:22][C:23]([O:29][CH3:30])=[CH:24][CH:25]=4)[CH:20]=3)(=[O:18])=[O:17])[C:11]2=[O:31])[CH:6]=[CH:5][N:4]=1)#[N:2]
Reactant: COc1ccc2ccc(S(=O)(=O)N[C@H]3CCN(Cc4ccnc(C#N)c4)C3=O)cc2c1
Reactant: BrCc1ccsc1
Product: COc1ccc2ccc(S(=O)(=O)N(Cc3ccsc3)[C@H]3CCN(Cc4ccnc(C#N)c4)C3=O)cc2c1

Procedure:
The title compound is prepared from 7-methoxynaphthalene-2-sulfonic acid [1-(2-cyanopyridin-4-ylmethyl)-2-oxopyrrolidin-3-(S)-yl]amide as described in EXAMPLE 141, Part D using 3-bromomethylthiophene in place of benzyl bromide. The crude product is purified by column chromatography eluting with gradient of 10% EtOAc/CH2Cl2 to 25% EtOAc/CH2Cl2 to afford the title compound as a white solid.
Reaction SMILES: COC1C=C(OC)C=CC=1C[N:6]([C:31]1[CH:36]=[CH:35][N:34]=[CH:33][N:32]=1)[S:7]([C:10]1[CH:15]=[CH:14][C:13]([O:16][C@H:17]2[CH2:21][CH2:20][CH2:19][C@@H:18]2[C:22]2[N:26]([CH2:27][CH3:28])[N:25]=[CH:24][CH:23]=2)=[C:12]([F:29])[C:11]=1[F:30])(=[O:9])=[O:8].C([SiH](CC)CC)C>ClCCl.FC(F)(F)C(O)=O>[CH2:27]([N:26]1[C:22]([C@H:18]2[CH2:19][CH2:20][CH2:21][C@@H:17]2[O:16][C:13]2[CH:14]=[CH:15][C:10]([S:7]([NH:6][C:31]3[CH:36]=[CH:35][N:34]=[CH:33][N:32]=3)(=[O:8])=[O:9])=[C:11]([F:30])[C:12]=2[F:29])=[CH:23][CH:24]=[N:25]1)[CH3:28]
Reactant: CCn1nccc1[C@H]1CCC[C@@H]1Oc1ccc(S(=O)(=O)N(Cc2ccc(OC)cc2OC)c2ccncn2)c(F)c1F
Agent: CC[SiH](CC)CC
Solvent: O=C(O)C(F)(F)F
Solvent: ClCCl
Product: CCn1nccc1[C@H]1CCC[C@@H]1Oc1ccc(S(=O)(=O)Nc2ccncn2)c(F)c1F
Temperature: 25 °C
Reaction time: 1 h

Procedure:
To the N-(2,4-dimethoxybenzyl)-4-{[(1S,2R)-2-(1-ethyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-2,3-difluoro-N-(pyrimidin-4-yl)benzenesulfonamide (100.3 g, 167 mmol) prepared in Example 119b and triethylsilane (30 mL) in dichloromethane (300 mL), trifluoroacetic acid (300 mL) was added with cooling on ice, and the reaction solution was stirred at room temperature for 1 hour. The reaction solution was concentrated, and the residue was purified with silica gel chromatography (ethyl acetate/methanol=9:1) to yield the title compound as a colorless solid. A suspension of this title compound in ethyl acetate (200 mL) was further irradiated with ultrasonic wave for 20 minutes. The suspension was filtered, and crystals collected by filtration were washed with ethyl acetate and dried at 40° C. for 24 hours to yield the title compound (32.9 g, 44%) as colorless crystals.