Title:
4-(17α-置換-3-オキソエストラ-4,9-ジエン-11β-イル)ベンズアルデヒド-(1Eまたは1Z)-オキシムの製造法
Document Type and Number:
Japanese Patent JP4263478
Kind Code:
B2
Abstract:
The invention relates to a method for the production of 4-(17alpha substituted 3-oxoestra-4,9-dien-11beta-yl)benzaldehyd-(1E or 1Z)-oximes of general formula (I), where R1-H, C1-6 alkyl or a CnF2n+1 group; R2-C1-4 alkyl, X=E- or Z-OH; and Y-O-C1-6 alkyl, S-C1-6 alkyl or O-CH2CnF2n+1, where n=1, 2 or 3, which produces the target compounds of formula (I) with high yield and selectivity.
Inventors:
Schubert, Gerd
Link, sufen
Erhard, Bernd
Link, sufen
Erhard, Bernd
Application Number:
JP2002541114A
Publication Date:
May 13, 2009
Filing Date:
November 09, 2001
Export Citation:
Assignee:
Bayer Schering Pharma Aktiengesellschaft
International Classes:
C07J41/00; C07J1/00; C07J21/00; C07J71/00; C07J75/00
Domestic Patent References:
| JP7149789A |
Foreign References:
| US5407928 | ||||
| DE289539A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Fukumoto product
Tetsuji Koga
Masaya Nishiyama
Takashi Ishida
Fukumoto product
Tetsuji Koga
Masaya Nishiyama