N-bromobutanimide → methyl (2Z)-2-bromo-2-[(2-chlorophenyl)hydrazinylidene]acetate

Participants

Reaction Steps

To a solution of the title compound of Step A (16.5 g, 77 mmol) in tetrahydrofuran (150 mL) was added N-bromosuccinimide (13.7 g, 77 mmol) and the mixture was stirred at ambient temperature for 2 hours. The mixture was concentrated and extracted with hexane and the hexane solution was concentrated to give the title compound of Step B (16 g) as an orange solid.

Provenance & Evidence