📜对氯苯乙腈 反应生成2-对氯苯基-3-甲基丁腈 参考文献:Process For Producing A 3-Methyl-2-(4-Halophenyl)Butyronitrile 标题:Process For Producing A 3-Methyl-2-(4-Halophenyl)Butyronitrile 摘要:一种生产3-甲基-2-(4-卤苯基)丁腈的方法,该丁腈是生产杀虫剂的重要中间体,在商业规模上即使在高纯度和高产率下也能生产,包括将p-卤苯乙腈与异丙基卤化物反应,其中p-卤苯乙腈的p-卤苯甲醇含量不超过1.0%重量,异丙基卤化物的异丙醇含量不超过1.0%重量.
专利号:US-4220592-A 优先权日:1977-07-22 标 题 :Synthesis of substituted phenylacetic acid 发明人:KAGAWA KEIJI; KANDA NAOYA; MASUKO FUJIO; NAKANISHI HIROTOSHI 权利人:SUMITOMO CHEMICAL CO 摘要:A substituted acetonitrile such as α-isopropyl-p-chlorophenylacetonitrile is hydrolyzed using an acid to produce the corresponding substituted phenylacetic acid such as α-isopropyl-p-chlorophenylacetic acid in such a manner that, in a lot in any one hydrolysis reaction, (1) the hydrolysis is carried out in at least two steps, (2) an acid to be used in a subsequent first reaction step is a waste acid produced in a previous second reaction step and the subsequent reaction step(s) thereof if any, and (3) an acid to be used in a second reaction step and the subsequent reaction step(s) if any, is the waste acid produced in a previous second reaction step and subsequent reaction step(s), respectively, and a fresh acid.