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

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J21/00Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • C07J21/005Ketals
    • C07J21/006Ketals at position 3
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J9/00Normal 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 (cs)
EP (1) EP0084199B1 (cs)
JP (1) JPS58124800A (cs)
AT (1) ATE26840T1 (cs)
CA (1) CA1192184A (cs)
DE (1) DE3276168D1 (cs)
DK (1) DK165410C (cs)
ES (1) ES518921A0 (cs)
IL (1) IL67658A0 (cs)

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
WO2013078575A1 (zh) * 2011-12-02 2013-06-06 台州市海盛化工有限公司 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
JPS51122053A (en) * 1975-04-14 1976-10-25 Teijin Ltd A process for preparing 3beta - hydroxycholesta-5,7-diene
JPS51122055A (en) * 1975-04-14 1976-10-25 Teijin Ltd A process for isolating 7- dehydtocholesterol
JPS51122054A (en) * 1975-04-14 1976-10-25 Teijin Ltd A method for preparing 7- dehydrocholesterol
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
DK165410C (da) 1993-04-13
JPS58124800A (ja) 1983-07-25
DK9083D0 (da) 1983-01-11
EP0084199A1 (en) 1983-07-27
ES8400753A1 (es) 1983-11-01
DK165410B (da) 1992-11-23
US4464298A (en) 1984-08-07
DK9083A (da) 1983-07-15
EP0084199B1 (en) 1987-04-29
JPH037678B2 (cs) 1991-02-04
ATE26840T1 (de) 1987-05-15
CA1192184A (en) 1985-08-20
DE3276168D1 (en) 1987-06-04
ES518921A0 (es) 1983-11-01

Similar Documents

Publication Publication Date Title
AU565908B2 (en) 7-oxabicyclo 2.2.1 hept-2-yl-5 alkyl/alkenyl carboxylic acids
ES2008658B3 (es) Procedimiento de preparacion de monoesteres o diesteres del acido endoetano 9,10 dihidro antraceno dicarboxilico-11,11, nuevos monoesteres o diesteres asi preparados y su utilizacion para la preparacion de metilideno-malonatos simetricos o asimetricos.
ES8607914A1 (es) Un procedimiento de preparar un derivado de trans-1,2-diaminociclohexil-amida.
AU6927987A (en) New derivatives of 1,2,5,6-tetrahydropyridine-3- carboxaldehyde oxime, their preparation process, their use as medicaments, and the compositions containing them
DE3276168D1 (en) Method of preparing delta 5,7-steroids
JPS56154491A (en) Glycerine-3-phosphoric halogene alkyl ester and manufacture thereof
GB2115448B (en) Fabric softening composition
JPS54160753A (en) Nail enamel
SE8604950D0 (sv) Dementia-improving and therapeutic agents
GB1186505A (en) Improvements in or relating to the preparation of Cyclopentane Derivatives
AR247729A1 (es) Procedimiento para preparar nuevos compuestos antiarritmicos
GB966541A (en) Preparation of esters of polyhydric alcohols
JPS5227721A (en) Process for preparation of substituted phosphonic acid derivatives
ATE27806T1 (de) Norbornan- und norbornencarbonsaeureamide und verfahren zu deren herstellung.
PT89004A (pt) Processo para a preparacao de bis-(3,5-dicarbamoil-2,4,6-tri-iodo-anilidas)de acidos dicarboxilicos substituidos e de composicoes de contraste de raios x que as contem
GB2019841B (en) 8 - exohydroxymethyl - endo - tricyclo decane derivatives
JPS5395958A (en) Prostaglandin analogues and process for their preparation
ES450128A1 (es) Metodo para preparar un ester de acido behenico.
RU96100022A (ru) Контрацептивное средство для животных и способ его получения
DE3462400D1 (en) Carboxylic acid derivatives, processes for their production and pharmaceutical preparations containing them
JPS52211A (en) Process for preparatiopn of epoxides
GB1169073A (en) 3-Cyanomethylene-Androstenes and -Oestrenes and process for their manufacture
PT71894A (en) Process for the preparation of nb-quaternary 10-bromoajmaline and 10-bromoisoajmaline derivatives
JPS51131818A (en) Process for preparation of r-unsaturated carboxylic acid esters
JPS51131504A (en) Anti-corrosive agent based on a modified fatty acid ester

Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
EXP Patent expired