William E. Dummitt;Dennis C. Aubuchon;Anthony Mannino;Hong Gu;Henry J. Buehler
发明人:
Henry J. Buehler,William E. Dummitt,Anthony Mannino,Dennis C. Aubuchon,Hong Gu
申请号：
US11915606
公开号：
US08871779B2
申请日:
2007.03.02
申请国别(地区):
US
年份:
2014
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 α,β-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. (A)
