Reaction #87598

Reaction equation

tert-butyl 2-(2,6-dichlorophenyl)-2-((3-methoxy-4-(methoxycarbonyl)benzoyl)carbamoyl)hydrazinecarboxylate

trifluoro acetic acid

→

desired product

Yield 52.5%

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

Yield 52.5%

Solvents

DCM

Conditions

Workup

1. 1
   OtherThe title compound was prepared

Procedure

The title compound was prepared according to the procedure described in step-2 of Intermediate-9 by using tert-butyl 2-(2,6-dichlorophenyl)-2-((3-methoxy-4-(methoxycarbonyl)benzoyl)carbamoyl)hydrazinecarboxylate (1.5 g, 2.9 mmol), DCM (20 mL) and trifluoro acetic acid (2.0 mL) to afford 0.600 g of desired product. 1H NMR (300 MHz, DMSO do): δ 3.80 (s, 3H), 3.80 (s, 3H), 7.49-7.71 (m, 3H), 7.74-7.79 (m, 3H), 12.85 (s, 1H); MS (m/z): 393.95 (M)+.

Source