GB1557757A - Process for preparing 16 methyl steroids - Google Patents

Process for preparing 16 methyl steroids

Info

Publication number
GB1557757A
GB1557757A GB1077878A GB1077878A GB1557757A GB 1557757 A GB1557757 A GB 1557757A GB 1077878 A GB1077878 A GB 1077878A GB 1077878 A GB1077878 A GB 1077878A GB 1557757 A GB1557757 A GB 1557757A
Authority
GB
United Kingdom
Prior art keywords
alpha
acetoxypregna
dioxo
fluoro
beta
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
GB1077878A
Other languages
English (en)
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.)
Sanofi Aventis France
Original Assignee
Roussel Uclaf SA
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 Roussel Uclaf SA filed Critical Roussel Uclaf SA
Publication of GB1557757A publication Critical patent/GB1557757A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J5/00Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
    • C07J5/0007Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond not substituted in position 17 alfa
    • C07J5/0023Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond not substituted in position 17 alfa substituted in position 16
    • C07J5/003Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond not substituted in position 17 alfa substituted in position 16 by a saturated or unsaturated hydrocarbon group including 16-alkylidene substitutes
    • C07J5/0038Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond not substituted in position 17 alfa substituted in position 16 by a saturated or unsaturated hydrocarbon group including 16-alkylidene substitutes by an alkyl group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J13/00Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17
    • C07J13/005Normal steroids containing carbon, hydrogen, halogen or oxygen having a carbon-to-carbon double bond from or to position 17 with double bond in position 16 (17)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
GB1077878A 1977-03-18 1978-03-17 Process for preparing 16 methyl steroids Expired GB1557757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7708170A FR2383968A1 (fr) 1977-03-18 1977-03-18 Procede de preparation d'un steroide16a-methyle

Publications (1)

Publication Number Publication Date
GB1557757A true GB1557757A (en) 1979-12-12

Family

ID=9188293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1077878A Expired GB1557757A (en) 1977-03-18 1978-03-17 Process for preparing 16 methyl steroids

Country Status (11)

Country Link
JP (1) JPS53116362A (enExample)
BE (1) BE865043A (enExample)
CA (1) CA1117936A (enExample)
CH (1) CH629223A5 (enExample)
DE (1) DE2811540A1 (enExample)
FR (1) FR2383968A1 (enExample)
GB (1) GB1557757A (enExample)
HU (1) HU174829B (enExample)
IE (1) IE46586B1 (enExample)
NL (1) NL7802927A (enExample)
PT (1) PT67790A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735501A1 (fr) * 1995-06-15 1996-12-20 Payen & Cie L Procede pour la fabrication d'un fil guipe elastique et nouveau type de fil ainsi obtenu

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2244530B1 (enExample) * 1973-07-27 1977-07-01 Roussel Uclaf

Also Published As

Publication number Publication date
JPS53116362A (en) 1978-10-11
NL7802927A (nl) 1978-09-20
PT67790A (fr) 1978-04-01
IE46586B1 (en) 1983-07-27
FR2383968A1 (fr) 1978-10-13
DE2811540C2 (enExample) 1987-09-10
CH629223A5 (en) 1982-04-15
BE865043A (fr) 1978-09-18
HU174829B (hu) 1980-03-28
JPS6123799B2 (enExample) 1986-06-07
CA1117936A (fr) 1982-02-09
IE780553L (en) 1978-09-18
DE2811540A1 (de) 1978-09-21
FR2383968B1 (enExample) 1980-11-28

Similar Documents

Publication Publication Date Title
Barton et al. The invention of new radical chain reactions. part X: High yield radical addition reactions of αβ-unsaturated nitroolefins. An expedient construction of the 25-hydroxy-vitamin D3 side chain from bi
Breslow et al. Introduction of a 9 (11) double bond into steroids by selective free-radical halogenation
US2877221A (en) 11, 14-peroxides of substituted ergostadiene compounds
GB1557757A (en) Process for preparing 16 methyl steroids
King et al. The Ion-Exchange Separation of Isomeric Dinitrotetramminecobalt (iii) IONS1
Rubottom et al. The lead (IV) acetate oxidation of cyclopropane derivatives: A novel fragmentation reaction
Dauben et al. The biosynthesis of the triterpene, eburicoic acid1, 2
GB1146991A (en) Improvements in or relating to novel steroids and the manufacture thereof
US3004966A (en) 6-methyl steroid compounds and method for preparing same
SE8205170D0 (sv) Sett att framstella 3-oxo-6-halo- ?724-11-hydroxisteroidforeningar
Agnello et al. The synthesis of corticosteroids methylated at C21
US3634469A (en) Methylenated steroids and process
US3641068A (en) 17alpha-(2 - alkynyl)-7alpha - methylestra-1 3 5(10)-triene - 3 17beta - diols and esters corresponding
US3819687A (en) 3-oxygenated 5,19-cyclo-a-nor-5alpha,10alpha,17alpha-pregn-20-yn-17-ols and esters
GB1578900A (en) 17,21-dimethyl-19-nor-pregna-1,3,5(10),6-tetraen-20-ones processes for preparing them and their application in the synthesis of tritium-labelled steroids
Oliveto et al. Reduction studies on unsaturated steroids
US3311645A (en) 4-methyl-17alpha-ethinyl estra-1, 3, 5(10)-triene compounds
DE889746C (de) Verfahren zur Darstellung von androgen hochwirksamen 17-Derivaten von Androstanoxyketonen
Shoppee et al. Steroids. Part XXXI. Attempted modification of the 14α-methyl group in 4, 4, 14α-trimethyl steroids
GB743445A (en) Manufacture of therapeutically valuable alcohols of the cyclopentanopolyhydrophenanthrene series
JPS53144543A (en) Improved method of producing cylcohexane derivative
TH544A (th) กรรมวิธีในการผลิตอนุพันธ์ของ 4 เพรกนีน ส่วนผสมและวิธีใช้รักษาการอักเสบ
DE1147224B (de) Verfahren zur Herstellung von in ª‡-Stellung zur Ketogruppe monoalkylsubstituierten Ketosteroiden
DE1934272A1 (de) d-18-Methyl-17 alpha-alkinyl-4-oestren-17 beta-ole
GB743085A (en) 2,4,6-trinitrochlorobenzene and the preparation thereof

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940317