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公开(公告)号:US3734952A
公开(公告)日:1973-05-22
申请号:US3734952D
申请日:1968-12-27
Applicant: HOFFMANN LA ROCHE
Inventor: KRUBINER A
IPC: C07C227/36 , A61K31/195 , C07C229/36 , C07D317/60 , E04C2/26 , E04C2/38 , C07C101/08
CPC classification number: A61K31/195 , C07D317/60 , E04C2/26 , E04C2/38
Abstract: THE PRESENT INVENTION RELATES TO A PROCESS FOR THE PREPARATION OF L-DOPA AND TO AN ARYL LOWER ALLKYLAMINE RESOLVING AGENT USABLE IN THIS PREPARATION.
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公开(公告)号:US3832387A
公开(公告)日:1974-08-27
申请号:US23542172
申请日:1972-03-16
Applicant: HOFFMANN LA ROCHE
Inventor: KRUBINER A , OLIVETO E
IPC: C07C205/53 , C07C79/46
CPC classification number: C07C205/53 , C07C201/10
Abstract: Alpha -nitro-cinnamic acid derivatives which are useful in preparing phenylalanines, and a process for obtaining the derivatives by treating the corresponding cinnamic acid esters with nitric oxide or nitrogen dioxide.
Abstract translation: 可用于制备苯丙氨酸的α-硝基肉桂酸衍生物,以及通过用一氧化氮或二氧化氮处理相应的肉桂酸酯来获得衍生物的方法。
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公开(公告)号:US3716530A
公开(公告)日:1973-02-13
申请号:US3716530D
申请日:1971-08-10
Applicant: HOFFMANN LA ROCHE
Inventor: KRUBINER A , OLIVETO E
IPC: C07J5/00 , C07J7/00 , C07J13/00 , C07C173/00 , C07C169/08
CPC classification number: C07J13/007 , C07J5/0053 , C07J7/0045
Abstract: A process for converting 17 Alpha -vinyl-17 Beta -hydroxy steroids to 17-(2-haloethylidene)-steroids, known intermediates for antifungal and progestational agents, by treating the 17 Alpha -vinyl-17 Beta -hydroxy steroids with vanadium tetrahalide.
Abstract translation: 通过用四卤化钒处理17α-乙烯基-17β-羟基类固醇,将17α-乙烯基-17β-羟基类固醇转化为17-(2-卤代亚乙基) - 类固醇,已知的抗真菌和促孕剂中间体的方法。
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