申请人:Allied Corporation
公开号:US04743701A1
公开(公告)日:1988-05-10
Organo N-hydroxyimidates are prepared by reacting an organonitrile with an organic alcohol and with a hydrogen halide, in the presence of an organic solvent (which may include an excess of the organonitrile reactant), under anhydrous conditions, to form the corresponding organoimidate hydrohalide, and then reacting said organoimidate hydrohalide with a hydroxylamine salt and ammonia gas in the presence of an organic solvent (which can be the excess organonitrile from the first step), under anhydrous conditions, to produce the corresponding organo N-hydroxyimidate.
Organo N-羟基咪唑酯的制备方法为:在无水条件下,将有机腈与有机醇和氢卤酸在有机溶剂(可能包括过量的有机腈反应物)的存在下反应,形成相应的有机咪唑酯氢卤酸盐,然后在无水条件下,在有机溶剂(可以是第一步中的过量有机腈)的存在下,将所述有机咪唑酯氢卤酸盐与羟胺盐和氨气反应,制备相应的Organo N-羟基咪唑酯。