Henry J. Buehler,William E. Dummitt,Anthony Mannino,Dennis C. Aubuchon,Hong Gu
申请号：
US16549718
公开号：
US20190381033A1
申请日:
2019.08.23
申请国别(地区):
US
年份:
2019
代理人:
摘要：
The present invention generally relates to processes for preparing highly pure morphinan-6-one products. The processes involve reducing the concentration of alpha, beta unsaturated ketone compounds present as impurities in morphinan 6 one products or reaction mixtures including morphinan 6 one compounds by treatment with a sulfur-containing compound.
