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US4032529A Aminomethanobenzazocine intermediates 失效
氨基丁酸中间体

Aminomethanobenzazocine intermediates
摘要:
N-Alkylated-8-aminated-2,6-methano-3-benzazocines, useful as strong analgesics, are prepared by one route comprising reduction of 8-nitro intermediates or by another route comprising Birch type reduction of 8-methoxy intermediates followed by dehydration-rearrangement of the oximes of the resulting 8-oxo intermediates.
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