发明名称 PROCESS FOR THE PREPARATION OF ARYLHYDROXYLAMINES
摘要 A process for producing arylhydroxylamines in high yield with minimal formation of by-product arylamines. A charge mixture is prepared comprising a nitroaryl compound, a platinum catalyst, a base, a sulfur compound, and a solvent for the nitroaryl compound. The sulfur compound is one in which divalent sulfur is bonded to two other moieties or a compound reducible to such divalent sulfur compound under catalytic hydrogenation conditions. Hydrogen is introduced into the mixture while the mixture is agitated at a temperature in a range of 0-40 DEG C thereby reducing the nitro group of the nitroaryl compound to the hydroxylamine group.
申请公布号 ZA8300304(B) 申请公布日期 1983.10.26
申请号 ZA19830000304 申请日期 1983.01.17
申请人 MALLINCKRODT INC 发明人 CASKEY DOUGLAS C.;CHAPMAN DOUGLAS W.
分类号 C07B61/00;B01J23/00;B01J23/42;B01J31/00;B01J31/28;C07B;C07C;C07C67/00;C07C239/00;C07C239/08 主分类号 C07B61/00
代理机构 代理人
主权项
地址