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US08476470B2 Process for production of bicyclo[2.2.2]octylamine derivative 失效
二环[2.2.2]辛胺衍生物的制备方法

Process for production of bicyclo[2.2.2]octylamine derivative
Abstract:
The present invention herein provides a process for production of a bicyclo[2.2.2]octylamine derivative which may be used as an intermediate for preparation of medical and pharmaceutical products. The process is quite efficient and can produce the derivative in a large-scale while using mild reaction conditions.The process for producing a bicyclo[2.2.2]octylamine derivative comprises the steps of subjecting, to ring-formation, a compound represented by the following general formula (1): [wherein R1 represents an alkyl group having 1 to 6 carbon atoms, which may have a substituent; an arylmethyl group which may have a substituent; or an arylethyl group which may have a substituent], and a compound represented by the following general formula (2): R2—NH2  (2) [wherein R2 represents an alkyl group having 1 to 6 carbon atoms, which may have a substituent; an aralkyl group which may have a substituent; a hydroxyl group; an alkyloxy group having 1 to 6 carbon atoms, which may have a substituent; or an aralkyloxy group which may have a substituent], and then reducing the resulting product.
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