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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Application filed by Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Priority to ES421874ApriorityCriticalpatent/ES421874A1/en
Publication of ES421874A1publicationCriticalpatent/ES421874A1/en
A process for the production of 5-benzazocin compounds of the formula: **(See formula)** where R1, R3, R4, R5 and R8 are each hydrogen or lower alkyl, R2 is hydrogen, lower alkyl or phenyl and R6 and R7 are each lower alkyl, and their salts, the procedure of which is to react with a Lewis acid a tetrahydropyridine compound of the formula **(See formula)** where R1, R2, R3, R4, R5, R6, R7 and R8 are as defined above or their salts. (Machine-translation by Google Translate, not legally binding)
ES421874A1973-12-281973-12-28A procedure for the production of 3-benzazocine compound. (Machine-translation by Google Translate, not legally binding)
ExpiredES421874A1
(en)