| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a production intermediate for 4-[2-[4-[11(R)-3,10-dibromo-8-chloro (5,6,11-trihydrobenzo[f]pyridino [2,3- b]cyclohept-11-yl)]piperidyl]-2oxoethyl]piperidinecarboxamide useful as a carcinostatic agent on an industrial scale at a low cost. SOLUTION: The present invention discloses a tetrahydropyridineacetic acid derivative of formula (III) [R1 is a 1-12C alkyl, a (substituted)benzyl, R2CO (R2 is H, a 1-12C alkyl, a (branched) 1-12C alkoxy or a (substituted)aromatic group) or allyl], its salt, a method for producing the same, an intermediate for the compound and a method for producing the intermediate.
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