发明申请
US20120035366A1 N-Demethylation of 6-Keto Morphinans 有权
6-酮基吗啡的N-去甲基化

N-Demethylation of 6-Keto Morphinans
摘要:
The present invention provides processes for the demethylation of an N-methyl morphinan comprising a ketone functional group. In particular, the invention provides methods for the protection of the ketone functional group such that impurities are not generated during the demethylation of the N-methyl morphinan.
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