Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-05-02
2006-05-02
Aulakh, Charanjit S. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C546S061000
Reexamination Certificate
active
07038050
ABSTRACT:
A method for preparing a 1-androstene derivative which comprises reacting a 2-iodo-androstane derivative with an oxidizing agent while maintaining the pH of the reaction mixture at a specific range gives the 1-androstene derivative with high purity and yield.
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Chang Young-Kil
Kim Dong Jun
Lee Gwan Sun
Lee Jae-Cheol
Lee Kyung Ik
Aulakh Charanjit S.
Hanmi Pharm. Co. Ltd.
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