ES8106540A1 - Procedimiento para preparar 25-halocolest-5-eno-3b,22-diolesy sus esteres - Google Patents

Procedimiento para preparar 25-halocolest-5-eno-3b,22-diolesy sus esteres

Info

Publication number
ES8106540A1
ES8106540A1 ES493810A ES493810A ES8106540A1 ES 8106540 A1 ES8106540 A1 ES 8106540A1 ES 493810 A ES493810 A ES 493810A ES 493810 A ES493810 A ES 493810A ES 8106540 A1 ES8106540 A1 ES 8106540A1
Authority
ES
Spain
Prior art keywords
give
ester
piridine
heat
esters
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.)
Expired
Application number
ES493810A
Other languages
English (en)
Other versions
ES493810A0 (es
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.)
GD Searle LLC
Original Assignee
GD Searle 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 GD Searle LLC filed Critical GD Searle LLC
Publication of ES493810A0 publication Critical patent/ES493810A0/es
Publication of ES8106540A1 publication Critical patent/ES8106540A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/06—Antihyperlipidemics
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/40—Ortho- or ortho- and peri-condensed systems containing four condensed rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Diabetes (AREA)
  • Hematology (AREA)
  • Obesity (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

PROCEDIMIENTO DE OBTENCION DE 25-HALOCOLEST-5-ENO-3 ,22-DIOLES Y SUS ESTERES. CONSTA DE LAS SIGUIENTES ETAPAS: 1. REACCION DE 3 ,5-CICLO-6 -METOXI-23,24-DINOR-5 -COLAM-20-AL EN TETRAHIDROFURANO FRIO, BAJO NITROGENO, CON UN REACTIVO DE GRIGNARD. 2. SOMETER AL COMPUESTO OBTENIDO A RETRANSPOSICION E HIDROLISIS POR CALENTAMIENTO EN DIOXANO ACUOSO CON UN ACIDO. 3. TRATAR EL COMPUESTO OBTENIDO EN LA ETAPA ANTERIOR EN PIRIDINA CON UN ANHIDRIDO O CLORURO DE ACIDO ALCANOICO. 4. TRATAR EL DIESTER OBTENIDO CON UN AGENTE DE HALOGENACION PARA OBTENER EL CORRESPONDIENTE HALURO. 5. HIDROLIZAR BASICAMENTE LOS DIESTERES PARA DAR DILES. 6. CALENTAR LOS DIOLES OBTENIDOS EN PIRIDINA CON UN OMEGA-CLORO-OMEGA-OXOALCANOATO DE METILO PARA DAR UNA MEZCLA DE ESTERES MIXTOS. 7. CALENTAR UNO DE LOS ESTERES OBTENIDOS CON YODURO DE LITIO EN PIRIDINA PARA DAR UN ESTER. 8. CALENTAR EL ESTER CON BICARBONATO SODICO EN ETANOL ACUOSO PARA DAR UN 22-ESTER- 9. CALENTAR UN ESTER OBTENIDO EN ETAPA. 6. EN PIRIDINA CON ANHIDRIDO OCLORURO DE ACIDO ALCANOICO PARA DAR UN ESTER MIXTO CUYO METILESTER PUEDE HIDROLIZARSE.
ES493810A 1979-07-30 1980-07-29 Procedimiento para preparar 25-halocolest-5-eno-3b,22-diolesy sus esteres Expired ES8106540A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/061,731 US4230626A (en) 1979-07-30 1979-07-30 25-Halocholest-5-ene-3β,22-diols and esters thereof

Publications (2)

Publication Number Publication Date
ES493810A0 ES493810A0 (es) 1981-06-16
ES8106540A1 true ES8106540A1 (es) 1981-06-16

Family

ID=22037752

Family Applications (1)

Application Number Title Priority Date Filing Date
ES493810A Expired ES8106540A1 (es) 1979-07-30 1980-07-29 Procedimiento para preparar 25-halocolest-5-eno-3b,22-diolesy sus esteres

Country Status (23)

Country Link
US (1) US4230626A (es)
JP (1) JPS5622799A (es)
AT (1) ATA395380A (es)
AU (1) AU532108B2 (es)
BE (1) BE884532A (es)
CA (1) CA1144539A (es)
CH (1) CH645651A5 (es)
DE (1) DE3028643A1 (es)
DK (1) DK146390C (es)
ES (1) ES8106540A1 (es)
FI (1) FI802368A7 (es)
FR (1) FR2462444A1 (es)
GB (1) GB2056992B (es)
GR (1) GR69347B (es)
IE (1) IE50037B1 (es)
IL (1) IL60700A0 (es)
IT (1) IT1128554B (es)
NL (1) NL8004366A (es)
NO (1) NO802277L (es)
NZ (1) NZ194490A (es)
PT (1) PT71621A (es)
SE (1) SE430508B (es)
ZA (1) ZA804617B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348328A (en) * 1981-11-09 1982-09-07 G.D. Searle & Co. 25-Substituted-5α-cholestane-3β,22S-diol
US5034548A (en) * 1987-01-30 1991-07-23 E. I. Du Pont De Nemours And Company Steroid derivatives useful as hypocholesterolemics
US5041432A (en) * 1987-01-30 1991-08-20 E. I. Du Pont De Nemours And Company Steroid derivatives useful as hypocholesterolemics
US5219879A (en) * 1990-03-05 1993-06-15 Du Pont Merck Pharmaceutical Company Heterocyclic steroid compounds
EP0946584B1 (en) 1996-12-20 2003-04-23 Novo Nordisk A/S Meiosis regulating compounds
US6083497A (en) 1997-11-05 2000-07-04 Geltex Pharmaceuticals, Inc. Method for treating hypercholesterolemia with unsubstituted polydiallylamine polymers
IL139241A0 (en) 1998-05-13 2001-11-25 Novo Nordisk As Meiosis regulating compounds
CN113956133B (zh) * 2021-11-08 2025-01-28 湖南科瑞生物制药股份有限公司 25-羟基甾体化合物的合成方法、其侧链的制备方法以及侧链中间体的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069321A (en) * 1975-10-14 1978-01-17 Merck & Co., Inc. Blocked cholecalciferol and dihydrotachysterol 3 derivatives
DE2837414A1 (de) * 1977-08-29 1979-03-08 Searle & Co 25-alkylcholesterin-derivate

Also Published As

Publication number Publication date
DE3028643A1 (de) 1981-02-19
ZA804617B (en) 1982-03-31
ATA395380A (de) 1983-11-15
SE430508B (sv) 1983-11-21
AU532108B2 (en) 1983-09-15
ES493810A0 (es) 1981-06-16
CH645651A5 (de) 1984-10-15
GR69347B (es) 1982-05-18
GB2056992B (en) 1983-06-22
FR2462444A1 (fr) 1981-02-13
JPS6360037B2 (es) 1988-11-22
FR2462444B1 (es) 1983-05-20
DE3028643C2 (es) 1990-04-12
DK326980A (da) 1981-01-31
CA1144539A (en) 1983-04-12
FI802368A7 (fi) 1981-01-01
PT71621A (en) 1980-08-01
JPS5622799A (en) 1981-03-03
US4230626A (en) 1980-10-28
IE801590L (en) 1981-01-30
SE8005430L (sv) 1981-01-31
IE50037B1 (en) 1986-02-05
DK146390C (da) 1984-03-05
AU6088380A (en) 1981-02-05
IL60700A0 (en) 1980-09-16
BE884532A (fr) 1981-01-29
NZ194490A (en) 1983-03-15
IT1128554B (it) 1986-05-28
DK146390B (da) 1983-09-26
IT8049382A0 (it) 1980-07-30
NO802277L (no) 1981-02-02
NL8004366A (nl) 1981-02-03
GB2056992A (en) 1981-03-25

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