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Priority claimed from DE19722243703external-prioritypatent/DE2243703A1/en
Application filed by Boehringer Sohn IngelheimfiledCriticalBoehringer Sohn Ingelheim
Priority to AT906574ApriorityCriticalpatent/AT336807B/en
Publication of ATA906574ApublicationCriticalpatent/ATA906574A/en
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Publication of AT336807BpublicationCriticalpatent/AT336807B/en
N-(heteroaryl-methyl)-benzomorphan and -morphinans prodn. - from corr-esp. heteroaryl-thioamides or quat. ammonium derivs. by smooth reducn. with alternative reducing agents