发明名称 SETT ATT FRAMSTELLA ALFA-AMINO-2-HYDROXIFENYLETTIKSYROR
摘要 alpha -Amino-2-hydroxyphenylacetic acids which are known intermediates for the preparation of various antibiotics are prepared from 2-hydroxyphenylacetic acid lactone through nitrosylation, catalytic hydrogenation in the presence of an alkanoic acid anhydride and hydrolysis with aqueous mineral acid.
申请公布号 SE394888(B) 申请公布日期 1977.07.18
申请号 SE19720016472 申请日期 1972.12.15
申请人 * BAYER AG 发明人 H * OEDIGER;R * BRADEN
分类号 C07C227/12;C07C67/00;C07C227/00;C07C227/22;C07C229/36;C07D307/83;C07D499/68;(IPC1-7):07C101/72 主分类号 C07C227/12
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