FR2235697A1 - 21-Chloro-11,16,17-trihydroxy-pregnene-3,20-dione derivs - prepd from sulphonates or orthoesters of the 21-hydroxy cpds. - Google Patents

21-Chloro-11,16,17-trihydroxy-pregnene-3,20-dione derivs - prepd from sulphonates or orthoesters of the 21-hydroxy cpds.

Info

Publication number
FR2235697A1
FR2235697A1 FR7423541A FR7423541A FR2235697A1 FR 2235697 A1 FR2235697 A1 FR 2235697A1 FR 7423541 A FR7423541 A FR 7423541A FR 7423541 A FR7423541 A FR 7423541A FR 2235697 A1 FR2235697 A1 FR 2235697A1
Authority
FR
France
Prior art keywords
pregnene
prepd
orthoesters
sulphonates
trihydroxy
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR7423541A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ER Squibb and Sons LLC
Original Assignee
ER Squibb and Sons LLC
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 by ER Squibb and Sons LLC filed Critical ER Squibb and Sons LLC
Publication of FR2235697A1 publication Critical patent/FR2235697A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J7/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
    • C07J7/008—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms substituted in position 21
    • C07J7/0085—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms substituted in position 21 by an halogen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)

Abstract

Steroids are of formula (I): (where Z is H or halogen; R1 is 1-8C alkyl; R2 is 1-8C alkyl, phenylalkyl or R6CO; R6 is 1-8C alkyl or phenyl), and are prpd. (a) by reacting (II): (where R4 is alkyl, cycloalkyl or aryl), with an inorganic chloride, (b) reacting (III): triphenylmethyl chloride (where R3 is 1-8C alkyl).
FR7423541A 1973-07-05 1974-07-05 21-Chloro-11,16,17-trihydroxy-pregnene-3,20-dione derivs - prepd from sulphonates or orthoesters of the 21-hydroxy cpds. Withdrawn FR2235697A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37624373A 1973-07-05 1973-07-05
US38415973A 1973-07-30 1973-07-30

Publications (1)

Publication Number Publication Date
FR2235697A1 true FR2235697A1 (en) 1975-01-31

Family

ID=27007354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7423541A Withdrawn FR2235697A1 (en) 1973-07-05 1974-07-05 21-Chloro-11,16,17-trihydroxy-pregnene-3,20-dione derivs - prepd from sulphonates or orthoesters of the 21-hydroxy cpds.

Country Status (3)

Country Link
JP (1) JPS5032163A (en)
DE (1) DE2432408A1 (en)
FR (1) FR2235697A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892187A (en) * 1981-11-27 1983-06-01 Pioneer Video Corp Synchronizing separation circuit

Also Published As

Publication number Publication date
JPS5032163A (en) 1975-03-28
DE2432408A1 (en) 1975-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse