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公开(公告)号:US3864332A
公开(公告)日:1975-02-04
申请号:US25467772
申请日:1972-05-18
IPC分类号: C07D499/12 , C07D499/00 , C07D499/04 , C07D499/32 , C07D499/64 , C07D499/68 , C07D99/16
CPC分类号: C07D499/00
摘要: A method for preparing Alpha -aminobenzylpenicillin consisting of acylating a derivative of 6-aminopenicillanic acid, for example from an acylal derivative having the general formula
WHERE R'' is an alkyl C1-C4 group, an alkyl halide, aryl or aralkyl groups with an activated ester of N-substituted D(-) Alpha -amino phenylacetic acid having the general formula
AND X is either hydrogen, or 2-pyrimidyl, in an organic solvent medium with subsequent hydrolysis.摘要翻译: 一种制备α-氨基苄基青霉素的方法,该方法包括将6-氨基青霉烷酸的衍生物酰化,例如由具有通式为R'的酰基衍生物是烷基C1-C4基团,烷基卤化物,芳基或芳烷基与活化的 具有通式为X的N-取代的D( - )α-氨基苯乙酸的酯在有机溶剂介质中随后水解,是氢或2-嘧啶基。
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公开(公告)号:US3899492A
公开(公告)日:1975-08-12
申请号:US29828072
申请日:1972-10-17
IPC分类号: C07D215/20 , C07D221/10 , C07D33/18
CPC分类号: C07D215/20 , C07D221/10
摘要: Production of substituted 1,2-dihydroquinolines by reacting aromatic amines with isopropenyl alkyl ethers of the general formula
where R is alkyl having 1-5 carbon atoms, in the presence of a Lewis acid as catalyst, in a neutral organic solvent which contains no active groups.摘要翻译: 通过使芳族胺与通式CH 2 = COR,| CH 3的异丙烯基烷基醚反应来制备取代的1,2-二氢喹啉,其中R是具有1-5个碳原子的烷基,在作为催化剂的路易斯酸存在下,在中性 不含活性基团的有机溶剂。
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