Henry J Buehler,William E Dummitt,Anthony Mannino,Dennis C Aubuchon,Hong Gu
申请号:
US15710990
公开号:
US20180008596A1
申请日:
2017.09.21
申请国别(地区):
US
年份:
2018
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.