Trifluoroacetic acid → methyl 4-(3-(2,6-dichlorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-2-methoxybenzoate

HRID 59262Notes

Reaction equation

HRID 59262 reaction equation
[Cl:1][C:2]1[CH:33]=[CH:32][CH:31]=[C:30]([Cl:34])[C:3]=1[C:4]([NH:6][C:7]([N:9]([C:18]1[CH:23]=[CH:22][C:21]([C:24]([O:26][CH3:27])=[O:25])=[C:20]([O:28][CH3:29])[CH:19]=1)[NH:10]C(OC(C)(C)C)=O)=[O:8])=O.FC(F)(F)C(O)=O>C(Cl)Cl>[Cl:1][C:2]1[CH:33]=[CH:32][CH:31]=[C:30]([Cl:34])[C:3]=1[C:4]1[NH:6][C:7](=[O:8])[N:9]([C:18]2[CH:23]=[CH:22][C:21]([C:24]([O:26][CH3:27])=[O:25])=[C:20]([O:28][CH3:29])[CH:19]=2)[N:10]=1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 90065576Tert-butyl 2-((2,6-dichlorobenzoyl)carbamoyl)-2-(3-methoxy-4-(methoxycarbonyl)phenyl)hydrazinecarboxylate

Product 1

HCID 136492365methyl 4-(3-(2,6-dichlorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-2-methoxybenzoateYield 103.8%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

The title compound was prepared according to the procedure described in step-2 of Intermediate-9 by using tert-butyl 2-((2,6-dichlorobenzoyl)carbamoyl)-2-(3-methoxy-4-(methoxycarbonyl)phenyl)hydrazinecarboxylate (1.5 g, 2.2 mmol), DCM (50 mL) and trifluoro acetic acid (5.0 mL) to afford 0.900 g of desired product. 1H NMR (300 MHz, DMSO d6): δ 3.78 (s, 3H), 3.84 (s, 3H), 7.62-7.30 (m, 5H), 7.82 (d, J=8.7 Hz, 11), 12.76 (br s, 1H); MS (m/z): 393.85 (M+H)+.

Workup

  1. customThe title compound was prepared

Sources & evidence

ORD record
ord-aa0b7c30c1244171bcd410b8afe8a5f9
Source dataset
uspto-grants-2016_09
Patent number
US09439890B2

Reaction notes

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