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1.Process for n-monomethylating certain acyl or carbalkoxy nitro-p-phenylenediamines 失效
标题翻译: N-甲氧基苯甲酸或碳氧烷基硝基对苯二甲酸的方法公开(公告)号:US3794676A
公开(公告)日:1974-02-26
申请号:US3794676D
申请日:1971-01-12
申请人: CLAIROL INC
发明人: HALASZ A
IPC分类号: A61K8/41 , A61Q5/06 , A61Q5/10 , C07C125/06
摘要: N-MONOMETHYLATES CERTAIN ACYL OR CARBALKOXY MITRO-PPHENYLENEDIAMINE COMPOUNDS BY REACTING SAID NITRO-PPHENYLENDEIAMINE COMPOUNDS WITH A MIXTURE CONTAINING FORMALDEHYDE OR PARAFORMALDEHYDE AND SULFURIC ACIDS.
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公开(公告)号:US3743678A
公开(公告)日:1973-07-03
申请号:US3743678D
申请日:1968-02-28
申请人: CLAIROL INC
发明人: HALASZ A
IPC分类号: A61K8/41 , A61Q5/10 , C07C271/20 , C07C273/18 , C07C275/14 , C07C335/08 , C07C91/06
CPC分类号: A61K8/418 , A61Q5/10 , C07C271/20 , C07C273/1854 , C07C335/08 , C07C275/14
摘要: COMPOUNDS OF THE FOLLOWING FORMULAE WHICH ARE USEFUL IN HAIR DYEING COMPOSITIONS ARE DISCLOSED:
(4-NH2,2-(O2N-)PHENYL)-NH-(CH2)N-O-R1, (2-(O2N-),4-(R3-
N(-R2)-)PHENYL)-NH-(CH2)N-O-R1, AND (4-(O2N-),2-NH2-
PHENYL)-NH-(CH2)N-O-R1
WHEREIN N IS A WHOLE NUMBER OF 1 TO 4, R1 IS ALKYL OF 1 TO 8 CARBON ATOMS AND R2 AND R3 ARE HYDROXYALKYL OF UP TO 8 CARBON ATOMS.
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