国内还没有合成的产品！！！！！！！！！怎么做? ca合成只一篇 bibliographic information 2-(carbamoylazo)isobutyronitrile. yamashita, kazuhiko; urano, fumiyoshi; nagaoka, joji. (wako pure chemical industries, ltd.). jpn. kokai tokkyo koho (1972), 3 pp. coden: jkxxaf jp 48034317 19721121 showa. patent written in japanese. application: jp 71-68568 19710907. can 78:97150 an 1973:97150 caplus atent family information atent no. kind date application no. date jp 48034317 a2 19730518 jp 1971-68568 19710907 jp 51013252 b4 19760427 riority application jp 1971-68568 a 19710907 abstract 2(semicarbazido)isobutyronitrile, prepd. by heating semicarbazide and acetone cyanohydrin (i) with or without solvent, was oxidized in h2o with cl, br, or air (cucl2) and the aq. mixt. salted with (nh4)2so4 or kcl to deposit the title radical initiator (ii). thus, 85 parts i was added dropwise at 75?to 75 parts semicarbazide in h2o. the mixt. was heated 30 min, oxidized with cl(g) at patent classifications u.s.: 16 b812. indexing -- section 23-20 (aliphatic compounds) 40418-81-3 role: rct (reactant); ract (reactant or reagent) (oxidn. of) 10288-28-5p _ role: spn (synthetic preparation); prep (preparation) (prepn. of) 57-56-7 role: rct (reactant); ract (reactant or reagent) (reaction of, with acetone cyanohydrin) 75-86-5 role: rct (reactant); ract (reactant or reagent) (reaction of, with semicarbazide) supplementary terms carbamoylazoisobutyronitrile; isobutyronitrile carbamoylazo; semicarbazidoisobutyronitrile 查看更多
第1天
关注盖德视界
添加小助手
