Azzindani/Open_Reaction_Data huggingface dataset:
Reaction SMILES: [C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][NH:11][CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].CC1(C)[O:19][CH:18]([CH2:20][CH2:21]OS(C2C=CC(C)=CC=2)(=O)=O)[CH2:17][O:16]1.C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([CH2:21][CH2:20][CH:18]([OH:19])[CH2:17][OH:16])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]
Reactant: Cc1ccc(S(=O)(=O)OCCC2COC(C)(C)O2)cc1
Reactant: CC(C)(C)OC(=O)N1CCNCC1
Agent: O=C([O-])[O-]
Agent: [K+]
Solvent: CC#N
Product: CC(C)(C)OC(=O)N1CCN(CCC(O)CO)CC1
Yield: 30.2 %

Procedure:
Piperazine-1-carboxylic acid tert-butyl ester (1.17 g, 6.28 mmol, Lancaster) and toluene-4-sulfonic acid 2-(2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl ester (1.98 g, 6.6 mmol, prepared from (2,2-dimethyl-[1,3]dioxolan-4-yl)-ethanol and tosyl chloride) and potassium carbonate (1 g, Fisher) were stirred in acetonitrile (22 mL) overnight at room temperature. After aqueous workup, the residue was purified by flash column chromatography to give 4-(3,4-dihydroxy-butyl)-piperazine-1-carboxylic acid tert-butyl ester (0.52g), which was deprotected with 1 N hydrochloric acid in methanol at 50° C. to give 4-piperazin-1-yl-butane-1,2-diol hydrochloride (360 mg).
Reaction SMILES: I.CS[C:4]([C:6]1[S:7][C:8]2[C:14]([N:15]3[CH2:20][CH2:19][O:18][CH2:17][CH2:16]3)=[CH:13][CH:12]=[C:11]([O:21][CH3:22])[C:9]=2[N:10]=1)=[NH:5].[C:23]([O:27][C:28]([N:30]1[CH2:35][CH2:34][C:33](OCC)(OCC)[CH:32]([NH2:42])[CH2:31]1)=[O:29])([CH3:26])([CH3:25])[CH3:24].B(F)(F)F.CCOCC>O1CCCC1>[C:23]([O:27][C:28]([N:30]1[CH2:35][CH2:34][C:33]2[N:5]=[C:4]([C:6]3[S:7][C:8]4[C:14]([N:15]5[CH2:20][CH2:19][O:18][CH2:17][CH2:16]5)=[CH:13][CH:12]=[C:11]([O:21][CH3:22])[C:9]=4[N:10]=3)[NH:42][C:32]=2[CH2:31]1)=[O:29])([CH3:26])([CH3:24])[CH3:25]
Reactant: CCOC1(OCC)CCN(C(=O)OC(C)(C)C)CC1N
Reactant: COc1ccc(N2CCOCC2)c2sc(C(=N)SC)nc12
Agent: FB(F)F
Agent: I
Solvent: CCOCC
Solvent: C1CCOC1
Product: COc1ccc(N2CCOCC2)c2sc(-c3nc4c([nH]3)CN(C(=O)OC(C)(C)C)CC4)nc12
Temperature: 25 °C
Reaction time: 48 h
Yield: 34.5 %

Procedure:
To a suspension of 0.50 g 4-methoxy-7-morpholin-4-yl-benzothiazole-2-carboximidothioic acid methyl ester hydroiodide in 33 ml tetrahydrofurane was added 1.34 g 3-amino-4,4-diethoxy-piperidine-1-carboxylic acid tert-butyl ester and the mixture was stirred at room temperature for two days. Then 0.2 ml boron trifluoride etherate was added and the solvent was distilled off under vacuum. Again 0.2 ml boron trifluoride etherate was added and the mixture was dissolved in 30 ml dimethylformamide and heated for 10 minutes at 125° C. The solvent was distilled off and the residue was dissolved in dichloromethane and extracted with water. The organic layer was dried with sodium sulfate, filtered and the solvent was evaporated. Chromatography on silicagel with ethylacatate/hexane 1:1 followed by chromatography on aluminiumoxide with ethylacatate/hexane 1:1 yielded 0.18 g (35%) 2-(4-methoxy-7-morpholin-4-yl-benzothiazol-2-yl)-3,4,6,7-tetrahydro-imidazo[4,5-c]pyridine-5-carboxylic acid tert-butyl ester as an amorphous solid; m/e=472 (M+H+).
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][C:13]1[CH:22]=[CH:21][CH:20]=[CH:19][C:14]=1[CH:15]=[N+:16]([CH3:18])[CH3:17].CC1C=CC=CC=1C=O.CNC>>[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:15]([N:16]([CH3:17])[CH3:18])[C:14]1[CH:19]=[CH:20][CH:21]=[CH:22][C:13]=1[CH3:12]
Reactant: Clc1ccc2[nH]ccc2c1
Reactant: Cc1ccccc1C=[N+](C)C
Agent: CNC
Agent: Cc1ccccc1C=O
Agent: [Cl-]
Product: Cc1ccccc1C(c1c[nH]c2ccc(Cl)cc12)N(C)C

Procedure:
The preparation was carried out in accordance with general synthesis instructions 4 from 5-chloro-1H-indole and (2-methyl-benzylidene)-dimethylammonium chloride, which had been prepared in accordance with example 44 from 2-methyl-benzaldehyde and dimethylamine.
Reaction SMILES: [S:1]1[C:9]2[C:4](=[N:5][C:6]([C:14]([O:16]C)=[O:15])=[C:7]([C:10]([O:12]C)=[O:11])[CH:8]=2)[CH:3]=[CH:2]1.[OH-].[Na+].Cl>O>[S:1]1[C:9]2[C:4](=[N:5][C:6]([C:14]([OH:16])=[O:15])=[C:7]([C:10]([OH:12])=[O:11])[CH:8]=2)[CH:3]=[CH:2]1
Reactant: COC(=O)c1cc2sccc2nc1C(=O)OC
Agent: Cl
Agent: [Na+]
Agent: [OH-]
Solvent: O
Product: O=C(O)c1cc2sccc2nc1C(=O)O
Temperature: 60 °C

Procedure:
Dimethyl thieno[3,2-b]pyridine-5,6-dicarboxylate (3.75 g, 0.0149 mol) is added to a solution of sodium hydroxide (1.8 g, 0.045 mol) in water (20 mL) and the mixture is warmed at 60° C. for 20 hours. The reaction mixture is diluted with water, cooled in an ice bath, and acidified by the addition of concentrated hydrochloric acid. A precipitate of thieno[3,2-b]pyridine-5,6-dicarboxylic acid is filtered off and dried overnight to give 3.1 g (93%) mp >380° C.
Reaction SMILES: Cl[C:2]1[C:11]([N:12]([CH:14]([CH3:16])[CH3:15])[CH3:13])=[N:10][C:9]2[C:4](=[CH:5][CH:6]=[C:7]([C:17]([O:19][CH3:20])=[O:18])[CH:8]=2)[N:3]=1.[C:21]([C:24]1[CH:29]=[CH:28][C:27](B(O)O)=[CH:26][CH:25]=1)(=[O:23])[NH2:22].[O-]P([O-])([O-])=O.[K+].[K+].[K+]>O1CCOCC1.O.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:21]([C:24]1[CH:29]=[CH:28][C:27]([C:2]2[C:11]([N:12]([CH:14]([CH3:16])[CH3:15])[CH3:13])=[N:10][C:9]3[C:4](=[CH:5][CH:6]=[C:7]([C:17]([O:19][CH3:20])=[O:18])[CH:8]=3)[N:3]=2)=[CH:26][CH:25]=1)(=[O:23])[NH2:22]
Reactant: NC(=O)c1ccc(B(O)O)cc1
Reactant: COC(=O)c1ccc2nc(Cl)c(N(C)C(C)C)nc2c1
Agent: c1ccc([P](c2ccccc2)(c2ccccc2)[Pd]([P](c2ccccc2)(c2ccccc2)c2ccccc2)([P](c2ccccc2)(c2ccccc2)c2ccccc2)[P](c2ccccc2)(c2ccccc2)c2ccccc2)cc1
Agent: O=P([O-])([O-])[O-]
Agent: [K+]
Solvent: O
Solvent: C1COCCO1
Product: COC(=O)c1ccc2nc(-c3ccc(C(N)=O)cc3)c(N(C)C(C)C)nc2c1
Temperature: 90 °C
Reaction time: 1 h
Yield: 55.5 %

Procedure:
To a solution of methyl 2-chloro-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate (120 mg, 0.49 mmol) in dioxane (5 mL) was added 4-carbamoylphenylboronic acid (169 mg, 1.02 mmol), K3PO4 (217 mg, 1.02 mmol), Pd(PPh3)4 (30 mg, 0.03 mmol) and water (5 drops). The resulting solution was stirred for 1 hour at 90° C. and then concentrated in vacuo to give a residue, which was purified via silica gel column chromatography (9% ethyl acetate in petroleum ether) to afford methyl 2-(4-carbamoylphenyl)-3-(isopropyl(methyl)amino)quinoxaline-6-carboxylate as a yellow solid (103 mg, 66%).
Reaction SMILES: [OH-].[Na+].[Cl:3][C:4]1[CH:9]=[CH:8][C:7]([CH2:10][CH2:11][C:12]([O:14]C)=[O:13])=[CH:6][C:5]=1[C:16]([NH:18][CH2:19][C:20]12[CH2:29][CH:24]3[CH2:25][CH:26]([CH2:28][CH:22]([CH2:23]3)[CH2:21]1)[CH2:27]2)=[O:17].Cl>O.CO>[Cl:3][C:4]1[CH:9]=[CH:8][C:7]([CH2:10][CH2:11][C:12]([OH:14])=[O:13])=[CH:6][C:5]=1[C:16]([NH:18][CH2:19][C:20]12[CH2:21][CH:22]3[CH2:28][CH:26]([CH2:25][CH:24]([CH2:23]3)[CH2:29]1)[CH2:27]2)=[O:17]
Reactant: COC(=O)CCc1ccc(Cl)c(C(=O)NCC23CC4CC(CC(C4)C2)C3)c1
Agent: Cl
Agent: [Na+]
Agent: [OH-]
Solvent: CO
Solvent: O
Product: O=C(O)CCc1ccc(Cl)c(C(=O)NCC23CC4CC(CC(C4)C2)C3)c1
Yield: 54.1 %

Procedure:
A solution of sodium hydroxide (0.475 g) in water (30 ml) was added to a solution of 4-chloro-3-[[(tricyclo[3.3.1.13,7]dec-1-ylmethyl)amino]carbonyl]-benzenepropanoic acid, methyl ester (Example 6b, 2.3 g) in methanol (30 ml) After 5 h the reaction mixture was reduced to half volume in vacuo and acidified with dilute hydrochloric acid. A white solid precipitated and was collected by filtration and dried in vacuo at 50° C., to give the subtitled compound (1.2 g).
Reaction SMILES: Br[C:2]1[CH:7]=[CH:6][C:5]([C:8](=[O:10])[CH3:9])=[CH:4][CH:3]=1.[O:11]1[CH2:16]COC[CH2:12]1.O.C(=O)([O-])[O-].[Cs+].[Cs+]>C(Cl)Cl>[CH3:12][O:11][CH2:16][C:2]1[CH:7]=[CH:6][C:5]([C:8](=[O:10])[CH3:9])=[CH:4][CH:3]=1
Reactant: CC(=O)c1ccc(Br)cc1
Reactant: C1COCCO1
Agent: O=C([O-])[O-]
Agent: [Cs+]
Solvent: ClCCl
Solvent: O
Product: COCc1ccc(C(C)=O)cc1
Temperature: 100 °C
Reaction time: 7 h
Yield: 31 %

Procedure:
To a mixture of 4′-bromoacetophenone (300 mg, 1.51 mmol) and 1,4-dioxane (4 ml) were added water (0.4 ml), cesium carbonate (1.48 g, 4.54 mmol), potassium methoxymethyl trifluoroborate (459 mg, 3.02 mmol) and 1′,1′-bis(diphenylphosphino)ferrocenedichloropalladium (II) (110 mg, 0.151 mmol). Then, the reaction mixture was stirred at 100° C. (external temperature) for 7 hours. After the reaction mixture was cooled at room temperature, water and methylene chloride were added to the mixture, followed by filtration using Celite. The separated organic layer was washed with an aqueous saturated sodium chloride solution. The organic layer was separated, and the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography (heptane/ethyl acetate) to obtain the title compound (76 mg, 31%).
Reaction SMILES: F[C:2]1[CH:3]=[C:4]([CH:9]=[CH:10][C:11]=1[N+:12]([O-:14])=[O:13])[C:5]([O:7][CH3:8])=[O:6].[CH3:15][O:16][C:17]1[CH:22]=[CH:21][C:20]([NH2:23])=[CH:19][CH:18]=1>CS(C)=O.C(OCC)(=O)C>[CH3:15][O:16][C:17]1[CH:22]=[CH:21][C:20]([NH:23][C:2]2[CH:3]=[C:4]([CH:9]=[CH:10][C:11]=2[N+:12]([O-:14])=[O:13])[C:5]([O:7][CH3:8])=[O:6])=[CH:19][CH:18]=1
Reactant: COC(=O)c1ccc([N+](=O)[O-])c(F)c1
Reactant: COc1ccc(N)cc1
Solvent: CS(C)=O
Solvent: CCOC(C)=O
Product: COC(=O)c1ccc([N+](=O)[O-])c(Nc2ccc(OC)cc2)c1
Yield: 79 %

Procedure:
A solution of methyl 3-fluoro-4-nitrobenzoate (10.0 g, 54.0 mmol) and p-anisidine (13.3 g, 108 mmol) in dimethylsulfoxide (300 mL) was stirred at 70° C. for 3.5 hr. The reaction mixture was diluted with ethyl acetate, washed with water and saturated brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was recrystallized from hexane/tetrahydrofuran to give the title compound (12.9 g, yield 79%) as red crystals.
Reaction SMILES: [CH3:1][N:2]1[C:10]2[C:5](=[CH:6][C:7]([O:11][C:12]3[CH:17]=[CH:16][C:15]([N+:18]([O-:20])=[O:19])=[CH:14][N:13]=3)=[CH:8][CH:9]=2)[CH:4]=[C:3]1[C:21]([N:23]1[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]1)=[O:22].[CH:29](=O)[C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+].C(O)(=O)C>ClCCCl>[CH2:29]([N:26]1[CH2:27][CH2:28][N:23]([C:21]([C:3]2[N:2]([CH3:1])[C:10]3[C:5]([CH:4]=2)=[CH:6][C:7]([O:11][C:12]2[CH:17]=[CH:16][C:15]([N+:18]([O-:20])=[O:19])=[CH:14][N:13]=2)=[CH:8][CH:9]=3)=[O:22])[CH2:24][CH2:25]1)[C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1
Reactant: Cn1c(C(=O)N2CCNCC2)cc2cc(Oc3ccc([N+](=O)[O-])cn3)ccc21
Reactant: O=Cc1ccccc1
Agent: CC(=O)O[BH-](OC(C)=O)OC(C)=O
Agent: [Na+]
Solvent: CC(=O)O
Solvent: ClCCCl
Product: Cn1c(C(=O)N2CCN(Cc3ccccc3)CC2)cc2cc(Oc3ccc([N+](=O)[O-])cn3)ccc21
Temperature: 25 °C
Reaction time: 14 h
Yield: 102.6 %

Procedure:
To a solution of [1-methyl-5-(5-nitropyridin-2-yloxy)-1H-indol-2-yl]piperazin-1-ylmethanone (2.09 g, 5.5 mmol) in 1,2-dichloroethane (45 mL) were added benzaldehyde (1.16 g, 10 mmol), sodium triacetoxyborohydride (2.33 g, 11 mmol) and acetic acid (0.7 mL, 11 mmol) under ice cooling. The reaction mixture was stirred for 14 hours at room temperature under a nitrogen atomoshere. The solvent was removed under reduced pressure, and to the residue was added water. The mixture was neutralized with saturated aqueous NaHCO3 and extracted with AcOEt. The organic layer was washed with brine, dried over anhydrous sodium sulfate, and evaporated under reduced pressure. The residue was purified by silica gel column chromatography (CH2Cl2:MeOH=60:1) to give 2.66 g of the title compound as a pale brown oil.
Reaction SMILES: I[C:2]1[C:11](=[O:12])[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[O:4][CH:3]=1.[NH:13]1[CH:17]=[CH:16][CH:15]=[N:14]1.C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[NH:13]1[CH:17]=[CH:16][C:15]([C:3]2[O:4][C:5]3[C:10]([C:11](=[O:12])[CH:2]=2)=[CH:9][CH:8]=[CH:7][CH:6]=3)=[N:14]1
Reactant: c1cn[nH]c1
Reactant: O=c1c(I)coc2ccccc12
Agent: O=C([O-])[O-]
Agent: [K+]
Solvent: CN(C)C=O
Product: O=c1cc(-c2cc[nH]n2)oc2ccccc12
Temperature: 0 °C
Yield: 70.8 %

Procedure:
To an eggplant type flask (20 ml), 3-iodochromone (136 mg) prepared in Example 1, pyrazole (136 mg), potassium carbonate (1382 mg), and dimethylformamide (15 ml) were added and the mixture was reacted at 80° C. for 20 hours with stirring. The reaction mixture was added to ice water and extracted with chloroform. The organic layer was separated, dried over anhydrous sodium sulfate, and concentrated under reduced pressure. The residue was purifiedby the silica gel column chromatography, and the purified compound was recrystallized from benzene/hexane to give the titled compound (75.1 mg; yield=70.8%) as white needle crystals. Melting point: 143°-144° C. 1 H-NMR(CDCl3, δ ppm): 6.90 (s, H3), 8.24 (dd, H5), 7.46-7.58 (m, H6), 7.76 (t, H7), 7.46-7.58 (m ,H8), 7.85 (d, H3'), 6.59 (dd, H4'), 8.23 (d, H5').
Reaction SMILES: C(=O)([O-])[O-].[K+].[K+].[OH:7][C:8]1[CH:15]=[CH:14][C:11]([CH2:12][OH:13])=[CH:10][CH:9]=1.Br[CH2:17][C:18](=[O:23])[C:19]([CH3:22])([CH3:21])[CH3:20].O>C(O)C>[OH:13][CH2:12][C:11]1[CH:14]=[CH:15][C:8]([O:7][CH2:17][C:18](=[O:23])[C:19]([CH3:22])([CH3:21])[CH3:20])=[CH:9][CH:10]=1
Reactant: OCc1ccc(O)cc1
Reactant: CC(C)(C)C(=O)CBr
Agent: O=C([O-])[O-]
Agent: [K+]
Solvent: O
Solvent: CCO
Product: CC(C)(C)C(=O)COc1ccc(CO)cc1
Yield: 48.6 %

Procedure:
Mix potassium carbonate (2.764 g, 20 mmol), 4-hydroxy-benzyl alcohol (1.49 g, 12 mmol) in absolute ethanol (100 mL), add 1-bromopinacolone (1.791 g, 10 mmol) dropwise. Heat the mixture under reflux for 12 h. Add water to dissolve the solid, and remove most of the ethanol in vacuo. Extract the mixture with EtOAc three times. Combine the organic layers, wash with brine, dry over Na2SO4, filter and concentrate. Purify the residue by chromatography on silica gel eluting with EtOAc:hexane (1:2) to provide the desired intermediate as a colorless oil (1.08 g, 48%). MS (ES+) m/z: 205 M+H−H2O)+.
Reaction SMILES: ClC1C=CC=CC=1Cl.[Cl:9][C:10]1[CH:16]=[C:15]([N+:17]([O-:19])=[O:18])[CH:14]=[CH:13][C:11]=1[NH2:12].[F:20][C:21]([F:33])([F:32])[C:22]1[CH:23]=[C:24]([S:28](Cl)(=[O:30])=[O:29])[CH:25]=[CH:26][CH:27]=1>N1C=CC=CC=1>[Cl:9][C:10]1[CH:16]=[C:15]([N+:17]([O-:19])=[O:18])[CH:14]=[CH:13][C:11]=1[NH:12][S:28]([C:24]1[CH:25]=[CH:26][CH:27]=[C:22]([C:21]([F:20])([F:32])[F:33])[CH:23]=1)(=[O:30])=[O:29]
Reactant: O=S(=O)(Cl)c1cccc(C(F)(F)F)c1
Reactant: Nc1ccc([N+](=O)[O-])cc1Cl
Solvent: Clc1ccccc1Cl
Solvent: c1ccncc1
Product: O=[N+]([O-])c1ccc(NS(=O)(=O)c2cccc(C(F)(F)F)c2)c(Cl)c1
Temperature: 25 °C

Procedure:
In a 400 ml flask, 200 ml of o-dichlorobenzene, 1 ml of pyridine and 1.7 g (0.01 mole) of 2-chloro-4-nitroaniline were charged. While stirring the contents at room temperature, 2.5 g (0.01 mole) of 3-trifluoromethylbenzenesulfonylchloride was added gradually over 30 minutes. Thereafter, the reaction mixture was heated and stirred for 8 hours under reflux (175°-180° C.) to complete the reaction. After cooling the reaction mixture to room temperature, it was thoroughly washed first with dilute hydrochloric acid and then with water. Subsequent to its dehydration with sodium sulfate, o-dichlorobenzene was distilled off under reduced pressure. The residue was subjected to silica gel chromatography (eluent: benzene) to isolate the intended Compound 1. m.p. 126°-127° C., yield 1.9 g (50%).
Reaction SMILES: [CH:1]1([C:4]2[S:8][C:7]([N:9]3[CH:14]([OH:15])[CH2:13][CH2:12][N:11]([CH3:16])[C:10]3=[O:17])=[N:6][N:5]=2)[CH2:3][CH2:2]1.C(N(CC)CC)C.[C:25]([C:27]1[CH:32]=[CH:31][C:30]([CH2:33][C:34](Cl)=[O:35])=[CH:29][CH:28]=1)#[N:26]>C1C=CC=CC=1>[CH:1]1([C:4]2[S:8][C:7]([N:9]3[CH:14]([O:15][C:34](=[O:35])[CH2:33][C:30]4[CH:31]=[CH:32][C:27]([C:25]#[N:26])=[CH:28][CH:29]=4)[CH2:13][CH2:12][N:11]([CH3:16])[C:10]3=[O:17])=[N:6][N:5]=2)[CH2:2][CH2:3]1
Reactant: CN1CCC(O)N(c2nnc(C3CC3)s2)C1=O
Reactant: N#Cc1ccc(CC(=O)Cl)cc1
Solvent: CCN(CC)CC
Solvent: c1ccccc1
Product: CN1CCC(OC(=O)Cc2ccc(C#N)cc2)N(c2nnc(C3CC3)s2)C1=O

Procedure:
Tetrahydro-1-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-hydroxy-2(1H)-pyrimidinone (0.05 mole), triethylamine (0.06 mole) and benzene (50 ml) are charged into a glass reaction vessel equipped with a mechanical stirrer, thermometer and reflux condenser. α-(4-Cyanophenyl)acetyl chloride (0.05 mole) is then added dropwise with stirring. After the addition is completed, the reaction mixture is heated at reflux with continued stirring for a period of about 30 minutes. After this time the reaction mixture is filtered and the filtrate is stripped of solvent under reduced pressure to yield the desired product tetrahydro-1-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)-3-methyl-6-[α-(4-cyanophenyl)acetyloxy]-2(1H)-pyrimidinone as the residue.
Reaction SMILES: [CH3:1][C:2]1([CH3:14])[C@@H:4](/[CH:5]=[CH:6]/[C:7]([O:9][CH3:10])=[O:8])[C@H:3]1[C:11]([OH:13])=[O:12].[N+](=[CH2:17])=[N-]>C(Cl)Cl.C(Cl)(Cl)Cl>[CH3:1][C:2]1([CH3:14])[C@@H:4](/[CH:5]=[CH:6]/[C:7]([O:9][CH3:10])=[O:8])[C@H:3]1[C:11]([O:13][CH3:17])=[O:12]
Reactant: C=[N+]=[N-]
Reactant: COC(=O)/C=C/[C@H]1[C@@H](C(=O)O)C1(C)C
Solvent: ClC(Cl)Cl
Solvent: ClCCl
Product: COC(=O)/C=C/[C@H]1[C@@H](C(=O)OC)C1(C)C

Procedure:
Using the procedure of Example 7, 1.26 g of (1R,cis) 2,2-dimethyl-3-[(E)-3-methoxy-3-oxo-1-propenyl]-cyclopropane-1-carboxylic acid and 12.7 ml of 0.5 M/l of diazomethane in methylene chloride were reacted to obtain 0.678 g of methyl (1R,cis) 2,2-dimethyl-3-[(E)-3-methoxy-3-oxo-1-propenyl]-cyclopropane-1-carboxylate with a specific rotation of [α]D20 =-4°±2° (c=0.6% in chloroform).
Reaction SMILES: Cl[C:2]1[N:7]=[N:6][C:5](Cl)=[C:4]2[CH:9]=[N:10][C:11]([C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=3)=[C:12]([CH3:13])[C:3]=12.[CH3:20][CH:21]1[O:26][CH2:25][CH2:24][NH:23][CH2:22]1>>[CH3:13][C:12]1[C:3]2[C:4](=[C:5]([N:23]3[CH2:24][CH2:25][O:26][CH:21]([CH3:20])[CH2:22]3)[N:6]=[N:7][C:2]=2[N:23]2[CH2:24][CH2:25][O:26][CH:21]([CH3:20])[CH2:22]2)[CH:9]=[N:10][C:11]=1[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1
Reactant: CC1CNCCO1
Reactant: Cc1c(-c2ccccc2)ncc2c(Cl)nnc(Cl)c12
Product: Cc1c(-c2ccccc2)ncc2c(N3CCOC(C)C3)nnc(N3CCOC(C)C3)c12

Procedure:
8.00 mg. of 1,4-dichloro-8-methyl-7-phenylpyrido[3,4-d]pyridazine was heated together with 2 g. of 2-methyl-morpholine at 120° C for 1.5 hours, after which time the excess 2-methylmorpholine was distilled off. To the residue was added 30 ml. of water and the resultant crystals were recovered by filtration and purified by column chromatography (silica gel; acetone: benzene=1:8) in the same manner described in Example 3. After removal of the solvent, the residue was dissolved in 20 ml. of ethanol. Following the addition of 2 ml. of water, the solution was concentrated to dryness. To the residue was added 20 ml. of water, followed by stirring. The resultant crystals were dried in a vacuum dryer at 50°-60° C for 12 hours, whereupon 600 mg. of 8-methyl-1,4-bis(2-methylmorpholino)-7-phenylpyrido-[3,4-d]pyridazine was obtained. Melting point: 96°-99° C.
Reaction SMILES: [CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([NH:9][C:10]#[N:11])=[CH:5][CH:4]=1.C(=O)([O-])[O-].[K+].[K+].[I-].[K+].[Cl:20][C:21]([CH2:23]Cl)=[CH2:22].[NH4+]=[S:26]>CN(C=O)C.O>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([N:9]([CH2:23][C:21]([Cl:20])=[CH2:22])[C:10]([NH2:11])=[S:26])=[CH:5][CH:4]=1
Reactant: COc1ccc(NC#N)cc1
Reactant: C=C(Cl)CCl
Agent: O=C([O-])[O-]
Agent: [I-]
Agent: [K+]
Solvent: CN(C)C=O
Solvent: O
Product: C=C(Cl)CN(C(N)=S)c1ccc(OC)cc1
Temperature: 50 °C
Yield: 94 %

Procedure:
N-(4-methoxyphenyl)cyanamide (2.22 g) was dissolved in DMF (11.10 g), to which powdered potassium carbonate (3.11 g) and potassium iodide (0.26 g) were added at room temperature with stirring. Further, 2,3-dichloro-1-propene (2.00 g) was added dropwise at room temperature with stirring. The mixture was heated to 50° C. and stirred at the same temperature for 1.5 hours. After cooling to room temperature, ammonium sulfide solution, yellow (8.00 g) having an S content of 6% were added dropwise to the reaction mixture at room temperature with stirring. The mixture was heated to 50° C. and stirred at the same temperature for 3 hour. After cooling to room temperature, water was added to the reaction mixture, which was then extracted with ethyl acetate. The organic layer was washed with water. The solvent was removed by distillation under reduced pressure, which afforded 3.63 g of N-(4-methoxyphenyl)-N-(2-chloro-2-propenyl)thiourea as a dark red solid (94% yield in appearance). The percentage area of liquid chromatography was 94%.
Reaction SMILES: [Br:1][C:2]1[N:3]=[C:4]([O:9][CH3:10])[C:5]([NH2:8])=[N:6][CH:7]=1.[Cl:11][C:12]1[CH:17]=[C:16]([Cl:18])[CH:15]=[CH:14][C:13]=1[S:19](Cl)(=[O:21])=[O:20]>>[Br:1][C:2]1[N:3]=[C:4]([O:9][CH3:10])[C:5]([NH:8][S:19]([C:13]2[CH:14]=[CH:15][C:16]([Cl:18])=[CH:17][C:12]=2[Cl:11])(=[O:21])=[O:20])=[N:6][CH:7]=1
Reactant: O=S(=O)(Cl)c1ccc(Cl)cc1Cl
Reactant: COc1nc(Br)cnc1N
Product: COc1nc(Br)cnc1NS(=O)(=O)c1ccc(Cl)cc1Cl

Procedure:
Prepared by the method of Example 1 (reaction performed at room temperature) using 5-bromo-3-methoxy-2-pyrazinamine (0.2 g) and 2,4-dichlorobenzenesulphonyl chloride (0.24 g). Yield 0.059 g.
Reaction SMILES: F[C:2]1[CH:3]=[CH:4][C:5]([S:19]([CH3:22])(=[O:21])=[O:20])=[C:6]([NH:8][C:9]2[C:18]3[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=3)[CH:12]=[CH:11][CH:10]=2)[CH:7]=1.[NH:23]1[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]1.C(N(CC)C(C)C)(C)C>C(#N)C>[CH3:22][S:19]([C:5]1[CH:4]=[CH:3][C:2]([N:23]2[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]2)=[CH:7][C:6]=1[NH:8][C:9]1[C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[CH:12]=[CH:11][CH:10]=1)(=[O:21])=[O:20]
Reactant: C1CNCCN1
Reactant: CS(=O)(=O)c1ccc(F)cc1Nc1cccc2ccccc12
Solvent: CC#N
Solvent: CCN(C(C)C)C(C)C
Product: CS(=O)(=O)c1ccc(N2CCNCC2)cc1Nc1cccc2ccccc12
Yield: 18.5 %

Procedure:
N-(5-Fluoro-2-(methylsulfonyl)phenyl)naphthalen-1-amine (0.56 g, 1.7 mmol), piperazine (0.46 g, 5.3 mmol), N,N-diisopropylethylamine (0.89 g, 6.8 mmol) were stirred at 80° C. in dry acetonitrile (5 mL) for 48 h. The solvent was evaporated and the residue was dissolved in dichloromethane and washed with water. The dichloromethane was evaporated and the crude compound was purified by silica chromatography using 10% methanol in dichloromethane to afford the title compound (120 mg, 18% yield). 1H NMR (400 MHz, CDCl3): δ 8.10 (s, 1H), 7.89 (d, 1H), 7.83 (d, 1H), 7.66 (d, 1H), 7.62 (m, 1H), 7.39 (m, 4H), 6.35 (d, 1H), 6.26 (s, 1H), 3.09 (s, 3H), 2.98 (m, 4H), 2.79 (m, 4H); MS (ESI) m/z: Calculated for C21H24N3O2S: 382.2; Observed: 382.4 (M+).