反应详情

A mixture of N-(4-benzyloxybenzyl)acetohydroxamic acid (1.35 g), methyl isocyanate (0.65 g) and 1,8-diazabicyclo[5.4.0]undec-7-ene catalyst (1 drop) in tetrahydrofuran (10 ml) was stirred for 3 hours then left overnight to provide N-(4-benzyloxybenzyl)-O-methylcarbamoylacetohydroxamic acid (1.35 g) m.pt. 101°-102° [from ethyl acetate-light petroleum (b.pt. 60°-80°)].

1. waitthen left overnight