NL7000590A - Prepn of 9 alpha - 11 beta dichloro - steroids - Google Patents

Prepn of 9 alpha - 11 beta dichloro - steroids

Info

Publication number
NL7000590A
NL7000590A NL7000590A NL7000590A NL7000590A NL 7000590 A NL7000590 A NL 7000590A NL 7000590 A NL7000590 A NL 7000590A NL 7000590 A NL7000590 A NL 7000590A NL 7000590 A NL7000590 A NL 7000590A
Authority
NL
Netherlands
Prior art keywords
alpha
prepn
steroids
dichloro
beta
Prior art date
Application number
NL7000590A
Other versions
NL144599B (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to NL7000590A priority Critical patent/NL144599B/en
Publication of NL7000590A publication Critical patent/NL7000590A/en
Publication of NL144599B publication Critical patent/NL144599B/en

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  • Steroid Compounds (AREA)

Abstract

9 alpha-11B-dichlorosteroids are prepd. by reacting a 9 alpha-unsubstd. 11B-hydroxysteroid with SOCl2 and Cl2, pref. in an inert solvent in the presence of tertiary amine at -10 degrees to +30 degrees C.
NL7000590A 1970-01-15 1970-01-15 PROCESS FOR THE PREPARATION OF 9,11-DICHLOOR STEROIDS. NL144599B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7000590A NL144599B (en) 1970-01-15 1970-01-15 PROCESS FOR THE PREPARATION OF 9,11-DICHLOOR STEROIDS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7000590A NL144599B (en) 1970-01-15 1970-01-15 PROCESS FOR THE PREPARATION OF 9,11-DICHLOOR STEROIDS.

Publications (2)

Publication Number Publication Date
NL7000590A true NL7000590A (en) 1971-07-19
NL144599B NL144599B (en) 1975-01-15

Family

ID=19809096

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7000590A NL144599B (en) 1970-01-15 1970-01-15 PROCESS FOR THE PREPARATION OF 9,11-DICHLOOR STEROIDS.

Country Status (1)

Country Link
NL (1) NL144599B (en)

Also Published As

Publication number Publication date
NL144599B (en) 1975-01-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SYNTEX