IL67658A0 - Preparation of delta 5,7-steroids - Google Patents

Preparation of delta 5,7-steroids

Info

Publication number
IL67658A0
IL67658A0 IL67658A IL6765883A IL67658A0 IL 67658 A0 IL67658 A0 IL 67658A0 IL 67658 A IL67658 A IL 67658A IL 6765883 A IL6765883 A IL 6765883A IL 67658 A0 IL67658 A0 IL 67658A0
Authority
IL
Israel
Prior art keywords
alkanol
optionally
esterified
steroids
delta
Prior art date
Application number
IL67658A
Other languages
English (en)
Original Assignee
Duphar Int Res
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 Duphar Int Res filed Critical Duphar Int Res
Publication of IL67658A0 publication Critical patent/IL67658A0/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J21/00—Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J21/005—Ketals
    • C07J21/006—Ketals at position 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
IL67658A 1982-01-14 1983-01-11 Preparation of delta 5,7-steroids IL67658A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8200128 1982-01-14

Publications (1)

Publication Number Publication Date
IL67658A0 true IL67658A0 (en) 1983-05-15

Family

ID=19839079

Family Applications (1)

Application Number Title Priority Date Filing Date
IL67658A IL67658A0 (en) 1982-01-14 1983-01-11 Preparation of delta 5,7-steroids

Country Status (9)

Country Link
US (1) US4464298A (de)
EP (1) EP0084199B1 (de)
JP (1) JPS58124800A (de)
AT (1) ATE26840T1 (de)
CA (1) CA1192184A (de)
DE (1) DE3276168D1 (de)
DK (1) DK165410C (de)
ES (1) ES8400753A1 (de)
IL (1) IL67658A0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1241947A (en) * 1985-05-31 1988-09-13 Pierre R. Proulx Conjugated polyene sterol derivatives as membrane probes
US5112998A (en) * 1987-03-30 1992-05-12 Kuraray Co., Ltd. Pregnane derivatives and processes for production thereof
US5218109A (en) * 1988-07-05 1993-06-08 Kuraray Co., Ltd. Steroid compounds
IL139241A0 (en) * 1998-05-13 2001-11-25 Novo Nordisk As Meiosis regulating compounds
CN101486748B (zh) * 2008-01-15 2011-11-02 浙江新和成股份有限公司 一种5，7-双烯胆固醇酯的制备方法
CN103314004B (zh) * 2011-12-02 2015-07-08 台州市海盛制药有限公司 5,7-孕甾二烯-3,20-二酮-二乙二缩酮新的制备方法
CN104237417B (zh) * 2014-09-30 2017-06-23 华润紫竹药业有限公司 一种地屈孕酮中间体的分析方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032562A (en) * 1961-02-08 1962-05-01 Nopco Chem Co Process for the recovery of 7-dehydrosterols
JPS51122054A (en) * 1975-04-14 1976-10-25 Teijin Ltd A method for preparing 7- dehydrocholesterol
JPS51122055A (en) * 1975-04-14 1976-10-25 Teijin Ltd A process for isolating 7- dehydtocholesterol
JPS51122053A (en) * 1975-04-14 1976-10-25 Teijin Ltd A process for preparing 3beta - hydroxycholesta-5,7-diene
US4026882A (en) * 1976-03-08 1977-05-31 Hoffmann-La Roche Inc. Syntheses of 3,24R,25- and 3,24S,25-trihydroxy-5,7-cholestadiene 24,25-ketals and alkanoyl derivatives thereof
US4116985A (en) * 1976-07-26 1978-09-26 The Upjohn Company Novel method for preparing cholesta-5,7-diene 3β,25-diol and derivatives thereof

Also Published As

Publication number Publication date
US4464298A (en) 1984-08-07
EP0084199A1 (de) 1983-07-27
ES518921A0 (es) 1983-11-01
DK9083D0 (da) 1983-01-11
DK165410C (da) 1993-04-13
ES8400753A1 (es) 1983-11-01
DK165410B (da) 1992-11-23
EP0084199B1 (de) 1987-04-29
ATE26840T1 (de) 1987-05-15
DK9083A (da) 1983-07-15
JPS58124800A (ja) 1983-07-25
DE3276168D1 (en) 1987-06-04
CA1192184A (en) 1985-08-20
JPH037678B2 (de) 1991-02-04

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