반응 #87529

반응 방정식

tert-butyl 2-((2-chloro-6-fluorobenzoyl)carbamoyl)-2-(3-methoxy-4-(methoxycarbonyl)phenyl)hydrazinecarboxylate

trifluoro acetic acid

→

desired product

수율 87.4%

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

수율 87.4%

용매

DCM

반응 조건

후처리

1. 1
   기타The title compound was prepared

실험 절차

The title compound was prepared according to the procedure described in step-2 of Intermediate-9 by using tert-butyl 2-((2-chloro-6-fluorobenzoyl)carbamoyl)-2-(3-methoxy-4-(methoxycarbonyl)phenyl)hydrazinecarboxylate (3.0 g, 6.06 mmol), DCM (30 mL) and trifluoro acetic acid (2.0 mL) to afford 2.0 g of desired product. 1H NMR (300 MHz, DMSO d6): δ 3.81 (s, 3H), 3.85 (s, 3H), 7.34-7.73 (m, 6H), 12.80 (s, 1H); MS (m/z): 376.16 (M−H)−.

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