Azzindani/Open_Reaction_Data huggingface dataset:
Reaction SMILES: [F:1][C:2]([F:43])([F:42])[C:3]1[CH:4]=[C:5]([CH:39]=[CH:40][CH:41]=1)[CH2:6][NH:7][C:8](=[O:38])[C:9]1[CH:14]=[CH:13][N:12]=[C:11]([C:15]2[CH:20]=[C:19]([N:21]3[CH2:26][CH2:25][CH2:24][CH2:23][CH2:22]3)[CH:18]=[CH:17][C:16]=2[NH:27][C:28](=[O:37])[C:29]2[CH:34]=[CH:33][CH:32]=[C:31]([CH2:35]Br)[CH:30]=2)[CH:10]=1.C(=O)([O-])[O-].[K+].[K+].[I-].[K+].[NH:52]1[CH2:56][CH2:55][C@@H:54]([NH:57][C:58](=[O:60])[CH3:59])[CH2:53]1>CN(C)C=O.O>[C:58]([NH:57][C@H:54]1[CH2:55][CH2:56][N:52]([CH2:35][C:31]2[CH:30]=[C:29]([CH:34]=[CH:33][CH:32]=2)[C:28]([NH:27][C:16]2[CH:17]=[CH:18][C:19]([N:21]3[CH2:26][CH2:25][CH2:24][CH2:23][CH2:22]3)=[CH:20][C:15]=2[C:11]2[CH:10]=[C:9]([CH:14]=[CH:13][N:12]=2)[C:8]([NH:7][CH2:6][C:5]2[CH:39]=[CH:40][CH:41]=[C:3]([C:2]([F:43])([F:42])[F:1])[CH:4]=2)=[O:38])=[O:37])[CH2:53]1)(=[O:60])[CH3:59]
Reactant: O=C(NCc1cccc(C(F)(F)F)c1)c1ccnc(-c2cc(N3CCCCC3)ccc2NC(=O)c2cccc(CBr)c2)c1
Reactant: CC(=O)N[C@@H]1CCNC1
Agent: O=C([O-])[O-]
Agent: [I-]
Agent: [K+]
Solvent: CN(C)C=O
Solvent: O
Product: CC(=O)N[C@H]1CCN(Cc2cccc(C(=O)Nc3ccc(N4CCCCC4)cc3-c3cc(C(=O)NCc4cccc(C(F)(F)F)c4)ccn3)c2)C1
Temperature: 70 °C
Reaction time: 3 h
Yield: 45.8 %

Procedure:
Into a 50-mL round-bottom flask, was placed a solution of N-(3-(trifluoromethyl)benzyl)-2-(2-(3-(bromomethyl)benzamido)-5-(piperidin-1-yl)phenyl)isonicotinamide (100 mg, 0.15 mmol, 1.00 equiv) in N,N-dimethylformamide (10 mL), potassium carbonate (62 mg, 0.45 mmol, 2.92 equiv), potassium iodide (5 mg, 0.03 mmol, 0.20 equiv), and (R)—N-(pyrrolidin-3-yl)acetamide (38.5 mg, 0.30 mmol, 1.96 equiv). The resulting solution was stirred for 3 h at 70° C. in an oil bath. The resulting solution was diluted with 150 mL of water. The resulting solution was extracted with 4×100 mL of ethyl acetate and the organic layers combined. The resulting mixture was washed with 2×200 mL of brine. The mixture was dried over sodium sulfate and concentrated under vacuum. The crude product (100 mg) was purified by reverse phase HPLC eluting with a water/CH3CN gradient containing 0.05% TFA. The product was obtained as 48 mg (30%) of a light yellow solid. 1H-NMR (300 MHz, CD3OD, ppm): δ 8.925-8.942 (d, J=5.1 Hz, 1H), 8.642-8.672 (d, J=9.0 Hz, 1H), 8.435 (s, 1H), 8.075-8.141 (m, 3H), 7.863-7.880 (m, 1H), 7.537-7.801 (m, 7H), 4.720 (s, 2H), 4.524-4.594 (m, 2H), 4.374-4.418 (m, 1H), 3.628-3.663 (m, 4H), 2.501 (m, 1H), 2.016-2.031 (m, 5H), 1.947 (m, 3H), 1.810-1.826 (m, 2H). MS (ES, m/z): 699 [M+H]+.
Reaction SMILES: [CH:1]1([NH:4][C:5](=[O:31])[C:6]2[CH:11]=[CH:10][C:9]([CH3:12])=[C:8]([N:13]3[C:22](=[O:23])[C:21]4[C:16](=[CH:17][CH:18]=[C:19]([O:24][CH2:25][C@@H:26]5[CH2:30][CH2:29][CH2:28][NH:27]5)[CH:20]=4)[N:15]=[CH:14]3)[CH:7]=2)[CH2:3][CH2:2]1.[CH2:32]=O>C(O)=O>[CH:1]1([NH:4][C:5](=[O:31])[C:6]2[CH:11]=[CH:10][C:9]([CH3:12])=[C:8]([N:13]3[C:22](=[O:23])[C:21]4[C:16](=[CH:17][CH:18]=[C:19]([O:24][CH2:25][C@@H:26]5[CH2:30][CH2:29][CH2:28][N:27]5[CH3:32])[CH:20]=4)[N:15]=[CH:14]3)[CH:7]=2)[CH2:2][CH2:3]1
Reactant: Cc1ccc(C(=O)NC2CC2)cc1-n1cnc2ccc(OC[C@@H]3CCCN3)cc2c1=O
Reactant: C=O
Solvent: O=CO
Product: Cc1ccc(C(=O)NC2CC2)cc1-n1cnc2ccc(OC[C@@H]3CCCN3C)cc2c1=O

Procedure:
N-Cyclopropyl-4-methyl-3-[4-oxo-6-[(2S)-pyrrolidin-2-ylmethoxy]quinazolin-3(4H)-yl]benzamide (0.15 g) and 38% aqueous formaldehyde (0.284 ml) were stirred in formic acid (3 ml) at 90° C. for 16 hours and then concentrated. The residue was partitioned between ethyl acetate and saturated aqueous NaHCO3 solution. The organic layer was washed with brine, dried (magnesium sulfate) and concentrated. Purification by column chromatography on a silica column eluting with 10% methanol/ethyl acetate followed by 10% methanol/ethyl acetate+1% aqueous ammonia solution to give the title compound (0.12 g) as a white foam solid; NMR Spectrum: (DMSOd6) 0.56 (m, 2H), 0.70 (m, 2H), 1.70 (m, 3H), 1.99 (m, 1H), 2.14 (s, 3H), 2.22 (m, 1H), 2.39 (s, 3H), 2.62 (m, 1H), 2.85 (m, 1H), 2.96 (m, 1H), 3.99 (m, 1H), 4.09 (m, 1H), 7.52 (m, 2H), 7.60 (s, 1H), 7.73 (d, 1H), 7.83 (s, 1H), 7.91 (d, 1H), 8.19 (s, 1H), 8.42 (d, 1H); Mass Spectrum: M+H+ 433.
Reaction SMILES: [NH2:1][C:2]1[N:7]=[C:6]([N:8]([CH3:15])[C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)[N:5]=[C:4]([C:16]2[N:20]=[C:19]([C:21]3[C:26]([OH:27])=[CH:25][CH:24]=[CH:23][N:22]=3)[O:18][N:17]=2)[N:3]=1.[OH-].[K+].[F:30][C:31]([F:35])([F:34])[CH2:32]I>CS(C)=O.C(OCC)(=O)C>[CH3:15][N:8]([C:9]1[CH:10]=[CH:11][CH:12]=[CH:13][CH:14]=1)[C:6]1[N:7]=[C:2]([NH2:1])[N:3]=[C:4]([C:16]2[N:20]=[C:19]([C:21]3[C:26]([O:27][CH2:32][C:31]([F:35])([F:34])[F:30])=[CH:25][CH:24]=[CH:23][N:22]=3)[O:18][N:17]=2)[N:5]=1
Reactant: FC(F)(F)CI
Reactant: CN(c1ccccc1)c1nc(N)nc(-c2noc(-c3ncccc3O)n2)n1
Agent: [K+]
Agent: [OH-]
Solvent: CCOC(C)=O
Solvent: CS(C)=O
Product: CN(c1ccccc1)c1nc(N)nc(-c2noc(-c3ncccc3OCC(F)(F)F)n2)n1
Temperature: 25 °C
Yield: 57 %

Procedure:
To a solution of 2-{3-[4-amino-6-(methyl-phenyl-amino)-[1,3,5]triazin-2-yl]-[1,2,4]oxadiazol-5-yl}-pyridin-3-ol (prepared in an analogous manner to Intermediate 58, 85 mg, 0.23 mmol) in DMSO (5 mL) was added potassium hydroxide (77 mg, 138 μmol) and 1,1,1-trifluoro-2-iodo-ethane (159 mg, 760 μmol). The resultant solution was heated at 120 C for 12 h, allowed to cool to room temperature, diluted with ethyl acetate (10 mL) and washed with brine (3×10 mL). The organic layer was dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The crude product was purified by prep HPLC (Method A) to give the title compound as a cream solid (58 mg, 57%).
Reaction SMILES: [C:1]([C:3]1[CH:4]=[N:5][N:6]2[C:11]([C:12]([F:15])([F:14])[F:13])=[CH:10][C:9]([C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=3)=[N:8][C:7]=12)#[CH:2].Br[C:27]1[CH:28]=[C:29]([S:33]([NH:36][C:37]([CH3:41])([CH3:40])[CH2:38][OH:39])(=[O:35])=[O:34])[CH:30]=[CH:31][CH:32]=1>>[OH:39][CH2:38][C:37]([NH:36][S:33]([C:29]1[CH:30]=[CH:31][CH:32]=[C:27]([C:2]#[C:1][C:3]2[CH:4]=[N:5][N:6]3[C:11]([C:12]([F:14])([F:13])[F:15])=[CH:10][C:9]([C:16]4[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=4)=[N:8][C:7]=23)[CH:28]=1)(=[O:35])=[O:34])([CH3:41])[CH3:40]
Reactant: CC(C)(CO)NS(=O)(=O)c1cccc(Br)c1
Reactant: C#Cc1cnn2c(C(F)(F)F)cc(-c3ccc(C(F)(F)F)cc3)nc12
Product: CC(C)(CO)NS(=O)(=O)c1cccc(C#Cc2cnn3c(C(F)(F)F)cc(-c4ccc(C(F)(F)F)cc4)nc23)c1

Procedure:
The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (370 mg, 1.04 mmol) and 3-bromo-N-(2-hydroxy-1,1-dimethyl-ethyl)-benzenesulfonamide (example B.6) (321 mg, 1.04 mmol) according to general procedure II. Obtained as an orange solid (164 mg, 27%). MS (ISN) 581 [(M−H)−]; mp 201-204° C.
Reaction SMILES: [C:1]([C:5]1[CH:10]=[CH:9][N:8]([CH2:11][CH2:12][CH2:13][CH3:14])[C:7](=[NH:15])[CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[F:16][C:17]1[CH:25]=[CH:24][C:23]([C:26]([F:29])([F:28])[F:27])=[CH:22][C:18]=1[C:19](O)=[O:20].CCN(CC)CC.CCCP(=O)=O>C1COCC1>[CH2:11]([N:8]1[CH:9]=[CH:10][C:5]([C:1]([CH3:4])([CH3:3])[CH3:2])=[CH:6]/[C:7]/1=[N:15]\[C:19](=[O:20])[C:18]1[CH:22]=[C:23]([C:26]([F:27])([F:28])[F:29])[CH:24]=[CH:25][C:17]=1[F:16])[CH2:12][CH2:13][CH3:14]
Reactant: O=C(O)c1cc(C(F)(F)F)ccc1F
Reactant: CCCCn1ccc(C(C)(C)C)cc1=N
Agent: CCCP(=O)=O
Solvent: C1CCOC1
Solvent: CCN(CC)CC
Product: CCCCn1ccc(C(C)(C)C)c/c1=N\C(=O)c1cc(C(F)(F)F)ccc1F
Yield: 44.2 %

Procedure:
A mixture of Example 92A (315 mg, 1.3 mmol), 2-fluoro-5-(trifluoromethyl)benzoic acid (324 mg, 1.56 mmol), Et3N (543 μL, 3.89 mmol) and propylphosphonic anhydride (927 μL, 1.56 mmol) in THF (15 mL) was stirred at room temperature for 12 hours. The reaction mixture was quenched with NaHCO3 and extracted twice with EtOAc. The combined organic extracts were dried over MgSO4, filtered and concentrated. The residue was purified by column chromatography using an Analogix® Intelliflash280™ (SiO2, 10-100% EtOAc/hexanes gradient) to afford 228 mg (44%) of the title compound. MS (DCI/NH3) m/z 397 (M+H)+.
Reaction SMILES: [OH:1][C:2]1[CH:3]=[C:4]([CH:10]=[CH:11][C:12]=1[OH:13])[C:5]([O:7][CH2:8][CH3:9])=[O:6].[CH3:14][N:15]([CH3:19])[CH2:16][CH2:17]O.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OC(C)C)=O)=NC(OC(C)C)=O>C(Cl)Cl.C(OCC)(=O)C>[CH3:14][N:15]([CH3:19])[CH2:16][CH2:17][O:13][C:12]1[CH:11]=[CH:10][C:4]([C:5]([O:7][CH2:8][CH3:9])=[O:6])=[CH:3][C:2]=1[OH:1]
Reactant: CCOC(=O)c1ccc(O)c(O)c1
Reactant: CN(C)CCO
Agent: CC(C)OC(=O)N=NC(=O)OC(C)C
Agent: c1ccc(P(c2ccccc2)c2ccccc2)cc1
Solvent: ClCCl
Solvent: CCOC(C)=O
Product: CCOC(=O)c1ccc(OCCN(C)C)c(O)c1
Temperature: 25 °C
Reaction time: 24 h
Yield: 35 %

Procedure:
To a solution of ethyl 3,4-dihydroxybenzoate (500 mg), N,N-dimethylethanol-amine (565 μL), and triphenylphosphine (1.51 g) in methylene chloride (20 mL) is added dropwise diisopropyl azodicarboxylate (1.37 mL) under argon gas atmosphere and ice-cooling. The mixture is stirred at room temperature for 1 day. The reaction mixture is diluted with ethyl acetate, washed with water and treated with 10% HCl to transfer basic materials in ethyl acetate layer to the aqueous layer. The aqueous layer is neutralized with saturated aqueous sodium hydrogencarbonate and extracted with chloroform/methanol/tetrahydrofuran (4:1:1, ×2). The extract is dried over anhydrous sodium sulfate and concentrated in vacuo. The residue is purified by flash column chromatography on NH-silica gel (Solvent; n-hexane:ethyl acetate=1:1→chloroform:methanol=19:1) to give ethyl 4-[2-(dimethylamino)ethoxy]-3-hydroxy-benzoate (240 mg, yield; 35%) as oil. MS (APCI) m/z; 254 [M+H]+
Reaction SMILES: [CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([N:9]=[C:10](Cl)[C:11]([F:14])([F:13])[F:12])=[CH:5][CH:4]=1.[N-:16]=[N+:17]=[N-:18].[Na+].Cl.C(N(CC)CC)C>C1(C)C=CC=CC=1>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([N:9]2[C:10]([C:11]([F:14])([F:13])[F:12])=[N:18][N:17]=[N:16]2)=[CH:5][CH:4]=1
Reactant: [N-]=[N+]=[N-]
Reactant: COc1ccc(N=C(Cl)C(F)(F)F)cc1
Agent: Cl
Agent: [Na+]
Solvent: CCN(CC)CC
Solvent: Cc1ccccc1
Product: COc1ccc(-n2nnnc2C(F)(F)F)cc1
Temperature: 25 °C
Yield: 98.5 %

Procedure:
Five grams (21.0 mmol) of N-(4-methoxyphenyl)-2,2,2-trifluoroacetimidoyl chloride obtained in Example 7, 2.46 g (37.8 mmol) of sodium azide, 1.45 g (10.5 mmol) of triethylamine hydrochloride, and 40 ml of toluene were introduced into a 100 ml flask and reacted at 80° C. for 15 hours. After the reaction, the reaction solution was cooled to room temperature and washed with water (30 ml×2). The organic phase was dried over anhydrous magnesium sulfate for 1 hour, filtered, and then subjected to solvent removal by evaporation. The crude product thus obtained was purified by column chromatography (silica gel, ethyl acetate:hexane=3:7), resulting in 5.05 g of 1-(4-methoxyphenyl)-5-(trifluoromethyl)-1H-tetrazole as a pale yellow oil (yield: 98.3%).
Reaction SMILES: [OH-].[Na+].C[O:4][C:5](=[O:21])[CH2:6][C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=1[N:13]1[CH2:17][C:16](=[O:18])[NH:15][S:14]1(=[O:20])=[O:19].Cl>CO.O>[O:20]=[S:14]1(=[O:19])[NH:15][C:16](=[O:18])[CH2:17][N:13]1[C:8]1[CH:9]=[CH:10][CH:11]=[CH:12][C:7]=1[CH2:6][C:5]([OH:21])=[O:4]
Reactant: COC(=O)Cc1ccccc1N1CC(=O)NS1(=O)=O
Agent: Cl
Agent: [Na+]
Agent: [OH-]
Solvent: O
Solvent: CO
Product: O=C(O)Cc1ccccc1N1CC(=O)NS1(=O)=O
Reaction time: 3 h

Procedure:
A solution of 2N aqueous NaOH (2.0 mL, 4.0 mmol) is added to a solution of the title compound of Example 40, [2-(1,1,4-trioxo-1,2,5-thiadiazolidin-2-yl)-phenyl]-acetic acid methyl ester (57 mg, 0.20 mmol) in MeOH (2.0 mL). The reaction is stirred for 3 h, then neutralized by addition of 2N aqueous HCl (2.0 mL). The mixture is concentrated on a Savant Speedvac to give a yellow solid. The solid is triturated with EtOAc, filtered and the filtrate is evaporated to give a yellow solid. This is dissolved in 2 mL water loaded onto a preparative reverse phase HPLC column (YMC CombiPrep Pro C18, 50×20 mm I.D., particle size S-5 micron, 12 nM) and eluted at 30 mL/min with a gradient of 90:10 (0.1% TFA in water:MeCN) to 10:90 over 5 min. Then held at 10:90 until 7 min. Fractions containing product are combined and concentrated on a Savant Speedvac to yield [2-(1,1,4-trioxo-1,2,5-thiadiazolidin-2-yl)-phenyl]-acetic acid as a white solid: [M−1]−=269.
Reaction SMILES: [NH2:1][CH2:2][C@H:3]1[C@H:9]([C:10]2[CH:15]=[CH:14][C:13]([Cl:16])=[C:12]([Cl:17])[CH:11]=2)[O:8][CH2:7][CH2:6][N:5]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:4]1.[OH-].[Na+].[CH2:27]([CH2:30][O:31]C)[O:28]C>>[Cl:17][C:12]1[CH:11]=[C:10]([C@@H:9]2[O:8][CH2:7][CH2:6][N:5]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:4][C@H:3]2[CH2:2][NH:1][C:27](=[O:28])[CH2:30][OH:31])[CH:15]=[CH:14][C:13]=1[Cl:16]
Reactant: COCCOC
Reactant: CC(C)(C)OC(=O)N1CCO[C@@H](c2ccc(Cl)c(Cl)c2)[C@H](CN)C1
Agent: [Na+]
Agent: [OH-]
Product: CC(C)(C)OC(=O)N1CCO[C@@H](c2ccc(Cl)c(Cl)c2)[C@H](CNC(=O)CO)C1
Reaction time: 8 h

Procedure:
To a solution of tert-butyl (6R,7R)-6-(aminomethyl)-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylate (171 mg) in dimethoxyethane (3 mL) was added 1 N aqueous sodium hydroxide solution (0.72 ml), and the mixture was stirred overnight. The solvent was evaporated under reduced pressure. Water was added to the residue, and the mixture was extracted twice with ethyl acetate. The combined organic layers were washed with brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel chromatography (ethyl acetate/hexane) to give the title compound (157 mg).
Reaction SMILES: O[CH2:2][C:3]([C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)=[O:4].[C:11]1([C:19]2C=CC=CC=2)[CH:16]=[CH:15][C:14](C=O)=[CH:13][CH:12]=1.[OH-].[Na+].Cl>C(O)C.O>[C:11]1([CH:19]=[CH:2][C:3]([C:5]2[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=2)=[O:4])[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=1
Reactant: O=C(CO)c1ccccc1
Reactant: O=Cc1ccc(-c2ccccc2)cc1
Agent: Cl
Agent: [Na+]
Agent: [OH-]
Solvent: O
Solvent: CCO
Product: O=C(C=Cc1ccccc1)c1ccccc1
Yield: 33 %

Procedure:
A solution of 4.92 g (36.1 mmol) of 2-hydroxyacetophenone, 3.30 g (34.2 mmol) of ,4'-(α-methyl)ethenyl, biphenyl 4-carboxaldehyde and 8.15 g NaOH (in 15 ml of water) in 100 ml of ethanol was stirred for 12 hours before the solution was poured into 400 ml of water. The resulting mixture was neutralized with dilute HCl to yield a chalcone. The yellow precipitate obtained was filtered and dried. The chalcone was purified by recrystallized from methylene chloride. Further oxidation of above chalcone was carried out with excess of H2O2 (30%) in ethanol under basic conditions for 12 hours. The resulting solution was poured into 500 ml water and acidified with dilute HCl. Yellow precipitate obtained was filtered and dried. Product was recrystallized form THF/hexane mixture. Yield: 33%. Quantum Yield: (1.8 relative to 3HF in methyl cyclohexane), Extinction coefficient: εmax (M-1 cm-1)=36000. λmax (abs)=355 nm and λmax (em )=550 nm.
Reaction SMILES: [CH3:1][CH:2]1[CH:7]=[C:6]([CH3:8])[CH:5]([C:9]2[CH:14]=[CH:13][C:12]([O:15][CH3:16])=[CH:11][CH:10]=2)[O:4][NH:3]1.[CH3:17][O:18][C:19]1[CH:20]=[C:21]([CH:24]=[CH:25][C:26]=1[O:27][CH3:28])[CH:22]=O.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].CO>ClCCl>[CH3:1][CH:2]1[CH:7]=[C:6]([CH3:8])[CH:5]([C:9]2[CH:10]=[CH:11][C:12]([O:15][CH3:16])=[CH:13][CH:14]=2)[O:4][N:3]1[CH2:22][C:21]1[CH:24]=[CH:25][C:26]([O:27][CH3:28])=[C:19]([O:18][CH3:17])[CH:20]=1
Reactant: COc1ccc(C=O)cc1OC
Reactant: COc1ccc(C2ONC(C)C=C2C)cc1
Agent: CC(=O)O[BH-](OC(C)=O)OC(C)=O
Agent: [Na+]
Solvent: CO
Solvent: ClCCl
Product: COc1ccc(C2ON(Cc3ccc(OC)c(OC)c3)C(C)C=C2C)cc1

Procedure:
A mixture of 0.5 ml of a 0.05M solution of 3,5-dimethyl-6-(4-methoxyphenyl)-3,6-dihydro-2H-1,2-oxazine in dichloromethane. 0.5 ml of a 0.75M solution of 3,4-dimethoxybenzaldehyde in dichloromethane, and 0.5 ml of a 0.75M solution of sodium triacetoxyborohydride in dichloromethane was stirred at ambient temperature for 19 h. Methanol (1.0 ml) was added with stirring and the mixture applied to a methanol washed 500 mg Isolute SCX cartridge (Jones Chromatography). The absorbent was washed with methanol (2.5 ml) and then eluted with 2M ammonia in methanol (2.5 ml). The eluate was concentrated to dryness using a centrifugal evaporator and the residue dissolved in chloroform (2 ml) and added to methylisocyanate-polystyrene (loading 1.0 meq/g, 100 mg). This suspension was shaken gently for 19 h, then filtered and resin washed with chloroform (2×2 ml). Removal of the solvent from the combined filtrates by centrifugal evaporation gave 3,5-dimethyl-2-(3,4-dimethoxybenzyl)-6-(4-methoxyphenyl)-3,6-dihydro-2H-1,2-oxazine. 1H NMR (CDCl3) δ 1.23(3H, d), 1.49(3H, s), 3.39(1H, m), 3.62(1H, d), 3.70(3H, s), 3.79(3H, s), 3.83(3H, s), 4.05(1H, d), 4.92(1H, s), 5.61 (1H, d), 6.64 (3 H, m),6.81 (2H, d), 7.22 (2H, d).
Reaction SMILES: [CH3:1][CH:2]([C:6]1[CH:7]=[CH:8][C:9]2[O:19][C:13]3=[N:14][C:15]([CH3:18])=[CH:16][CH:17]=[C:12]3[CH2:11][C:10]=2[CH:20]=1)[C:3]([OH:5])=[O:4].C(=O)([O-])[O-].[K+].[K+].Cl[CH2:28][CH2:29][C:30]([NH2:32])=[O:31]>CN(C)C=O>[CH3:1][CH:2]([C:6]1[CH:7]=[CH:8][C:9]2[O:19][C:13]3=[N:14][C:15]([CH3:18])=[CH:16][CH:17]=[C:12]3[CH2:11][C:10]=2[CH:20]=1)[C:3]([O:5][CH2:28][CH2:29][C:30](=[O:31])[NH2:32])=[O:4]
Reactant: NC(=O)CCCl
Reactant: Cc1ccc2c(n1)Oc1ccc(C(C)C(=O)O)cc1C2
Agent: O=C([O-])[O-]
Agent: [K+]
Solvent: CN(C)C=O
Product: Cc1ccc2c(n1)Oc1ccc(C(C)C(=O)OCCC(N)=O)cc1C2
Temperature: 70 °C
Reaction time: 7.5 h
Yield: 70.3 %

Procedure:
To a solution of 2.7 g of α,2-dimethyl-5H-[1]benzopyrano [2,3-b]pyridine-7-acetic acid in 15 ml of dimethylformamide are added 0.8 g of potassium carbonate and 1.3 g of 3-chloropropionamide, and stirred at 70° C. for 7.5 hours under a nitrogen atmosphere. The reaction mixture is poured into ice water. The precipitate is extracted with ethyl acetate, washed with water and dried, and then concentrated. The residue is recrystallized from ethanol to obtain 2.4 g of 2-carbamoylethyl α,2-dimethyl-5H-[1]benzopyrano[2,3-b]pyridine7-acetate as white crystals having a melting point of 143° to 145° C.
Reaction SMILES: [CH2:1]([N:8]1[CH2:13][CH2:12][CH:11]([C:14]([OH:16])=[O:15])[CH:10]([C:17]2[CH:22]=[CH:21][C:20]([Cl:23])=[CH:19][CH:18]=2)[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl.[CH3:25]O>CO>[CH3:25][O:15][C:14]([CH:11]1[CH2:12][CH2:13][N:8]([CH2:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)[CH2:9][CH:10]1[C:17]1[CH:18]=[CH:19][C:20]([Cl:23])=[CH:21][CH:22]=1)=[O:16]
Reactant: O=C(O)C1CCN(Cc2ccccc2)CC1c1ccc(Cl)cc1
Reactant: CO
Agent: Cl
Product: COC(=O)C1CCN(Cc2ccccc2)CC1c1ccc(Cl)cc1
Temperature: 76 °C

Procedure:
In a 500 ml round bottom flask with a magnetic stirring bar 3 g (9 mmol) (3RS, 4SR)-1-benzyl-3-(4-chloro-phenyl)-piperidine-4-carboxylic acid (SM050/4A) were suspended in 100 ml methanol. 50 mL 1.25 N HCl/MeOH was added and the mixture was stirred over night at reflux (76° C.). Another 50 mL 1.25 N HCl/MeOH was added and the reaction mixture was continued to reflux for 24 h. The solvent was removed by evaporation and the brown residue was diluted with 200 mL Na2CO3 aq. sat. and 5 mL 4 N NaOH aq. The mixture was extracted with 3 portions of 200 mL ethyl acetate. The combined organic layers were washed with 150 mL brine, dried over Na2SO4, filtered and evaporated. The residue was purified by column chromatography on silica eluting with ethyl acetate/heptane to yield after evaporation of the product containing fractions 2.74 g (88%) of the title compound as light yellow viscous oil. MS (m/e): 344.2 [(M+H)+].
Reaction SMILES: [Cl:1][C:2]1[CH:3]=[C:4]2[CH:10]=[C:9]([C:11]([NH:13][C@@H:14]([CH2:18][C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)[C:15]([OH:17])=O)=[O:12])[NH:8][C:5]2=[CH:6][N:7]=1.[NH:25]1[CH2:29][CH2:28][CH2:27][CH2:26]1.C1C=CC2N(O)N=NC=2C=1.CCN(C(C)C)C(C)C.CCN=C=NCCCN(C)C>CN(C=O)C>[CH2:18]([C@H:14]([NH:13][C:11]([C:9]1[NH:8][C:5]2=[CH:6][N:7]=[C:2]([Cl:1])[CH:3]=[C:4]2[CH:10]=1)=[O:12])[C:15](=[O:17])[N:25]1[CH2:29][CH2:28][CH2:27][CH2:26]1)[C:19]1[CH:20]=[CH:21][CH:22]=[CH:23][CH:24]=1
Reactant: O=C(N[C@@H](Cc1ccccc1)C(=O)O)c1cc2cc(Cl)ncc2[nH]1
Reactant: C1CCNC1
Agent: CCN=C=NCCCN(C)C
Agent: On1nnc2ccccc21
Solvent: CCN(C(C)C)C(C)C
Solvent: CN(C)C=O
Product: O=C(N[C@@H](Cc1ccccc1)C(=O)N1CCCC1)c1cc2cc(Cl)ncc2[nH]1
Temperature: 25 °C
Reaction time: 0.08 h

Procedure:
To a solution of 2-(S)-[(5-chloro-1H-pyrrolo[2,3-c]pyridine-2-carbonyl)amino]-3-phenylpropionic acid (EXAMPLE 42, 50 mg, 0.15 mmol) in DMF (3 mL) was added pyrrolidine (13 μL, 0.16 mmol), HOBt (20 mg, 0.15 mmol) and DIPEA (51 μL, 0.29 mmol). After 5 min, EDCI (36 mg, 0.19 mmol) was added and the reaction was stirred at rt for 16 h. The solvent was removed in vacuo and the solid was triturated with water, filtered and dried to give the title compound as a beige solid. m/z (ES+)=397 [M+H]+; RT=3.38 min.
Reaction SMILES: O1CCCC1.Cl.[NH2:7][C:8]1[C:17]2[C:12](=[CH:13][C:14]([O:20][CH3:21])=[C:15]([O:18][CH3:19])[CH:16]=2)[N:11]=[C:10]([N:22]2[CH2:27][CH2:26][NH:25][CH2:24][CH2:23]2)[N:9]=1.[CH3:28][C:29](=[CH2:33])[C:30](Cl)=[O:31]>C(N(CC)CC)C>[NH2:7][C:8]1[C:17]2[C:12](=[CH:13][C:14]([O:20][CH3:21])=[C:15]([O:18][CH3:19])[CH:16]=2)[N:11]=[C:10]([N:22]2[CH2:27][CH2:26][N:25]([C:30](=[O:31])[C:29]([CH3:33])=[CH2:28])[CH2:24][CH2:23]2)[N:9]=1
Reactant: COc1cc2nc(N3CCNCC3)nc(N)c2cc1OC
Reactant: C=C(C)C(=O)Cl
Agent: Cl
Solvent: C1CCOC1
Solvent: CCN(CC)CC
Product: C=C(C)C(=O)N1CCN(c2nc(N)c3cc(OC)c(OC)cc3n2)CC1
Reaction time: 0.5 h
Yield: 39 %

Procedure:
To 20 ml of tetrahydrofuran were added 2.4 g of 4-amino-6,7-dimethoxy-2-(1-piperazinyl)quinazoline hydrochloride and 2.6 g of triethylamine, after which the mixture was stirred for 30 minutes. There was then added 0.6 g of 2-methylacryloyl chloride, after which the mixture was stirred at room temperature for 8 hours. The crystals which were produced were collected by filtration, washed with water and recrystallized from ethanol to give 0.8 g of the desired Compound No. 2 in the form of colourless needles melting at 262°-263° C. (with decomposition).
Reaction SMILES: [CH3:1][C:2]1[N:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[CH:7][C:6]([C:12]#[N:13])=[CH:5]2.[O:14]1CCOCC1>>[CH:1]([C:2]1[N:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[N:8]=[CH:7][C:6]([C:12]#[N:13])=[CH:5]2)=[O:14]
Reactant: C1COCCO1
Reactant: Cc1ccc2ncc(C#N)cc2n1
Product: N#Cc1cnc2ccc(C=O)nc2c1
Temperature: 25 °C
Yield: 100 %

Procedure:
To a solution of 6-methyl-[1,5]naphthyridine-3-carbonitrile (220.0 mg, 1.30 mmol) in 1,4-dioxane was added SeO2 (187.6 mg, 1.70 mmol) and the reaction mixture was refluxed for 2 hrs, when the TLC showed no starting material left, then cooled to room temperature and filtered through celite. The solid was washed with hot AcOEt and the filtrate was then concentrated to give 6-formyl-[1,5]naphthyridine-3-carbonitrile as a light yellow solid (238.1 mg, 100.0%). HR-MS-EI (+) m/e calcd for C10H5N3O (M+) 183.0433. found 183.0433
Reaction SMILES: [C:1]1([S:7]([N:10]2[CH2:15][CH2:14][NH:13][C:12](=[O:16])[CH2:11]2)(=[O:9])=[O:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.F[B-](F)(F)F.[CH3:22][OH+](C)(C)C>ClCCl>[CH3:22][O:16][C:12]1[CH2:11][N:10]([S:7]([C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)(=[O:9])=[O:8])[CH2:15][CH2:14][N:13]=1
Reactant: O=C1CN(S(=O)(=O)c2ccccc2)CCN1
Agent: F[B-](F)(F)F
Solvent: ClCCl
Product: COC1=NCCN(S(=O)(=O)c2ccccc2)C1

Procedure:
4-(Phenylsulfonyl)-2-piperazinone was dissolved in dichloromethane, tetramethyloxonium tetrafluoroborate was added thereto, and the whole was stirred to obtain 5-methoxy-1-(phenylsulfonyl)-1,2,3,6-tetrahydropyrazine.