ES284296A1 - Procedure for the manufacture of tetrahidroisoquinolinic derivatives (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the manufacture of tetrahidroisoquinolinic derivatives (Machine-translation by Google Translate, not legally binding)
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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES284296A1publicationCriticalpatent/ES284296A1/en
Process for the manufacture of tetrahydroisoquinoline derivatives which is characterized by comprising the reductive debenzylation of a compound of the formula ** (See formula) ** n 'is 0 or the integer 1, 2 or 3; R1 is halogen; R2 is hydrogen or a lower alkyl group; R3 is hydrogen or a lower alkyl group; and where one of the groups represented by the symbol R'4 is a methoxy group, while the other group represented by the symbol R'4 is a benzyloxy group, and, when n 'is 0, the nitration of the product thus obtained and, if desired, the conversion of the debenzylated product is an ether or ester and/or a salt. (Machine-translation by Google Translate, not legally binding)
ES0284296A1962-01-191963-01-18Procedure for the manufacture of tetrahidroisoquinolinic derivatives (Machine-translation by Google Translate, not legally binding)
ExpiredES284296A1
(en)