HU178129B - Process for preparing 21-phenyl-sulphinyl-20-alkoxy-pregna-4,17/20/-dien-3-ones - Google Patents

Process for preparing 21-phenyl-sulphinyl-20-alkoxy-pregna-4,17/20/-dien-3-ones

Info

Publication number
HU178129B
HU178129B HU76UO158A HUUO000158A HU178129B HU 178129 B HU178129 B HU 178129B HU 76UO158 A HU76UO158 A HU 76UO158A HU UO000158 A HUUO000158 A HU UO000158A HU 178129 B HU178129 B HU 178129B
Authority
HU
Hungary
Prior art keywords
pregna
sulphinyl
dien
alkoxy
ones
Prior art date
Application number
HU76UO158A
Other languages
English (en)
Inventor
Kanneth P Shephard
Rheenen Verlan H Van
Original Assignee
Upjohn Co
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 Upjohn Co filed Critical Upjohn Co
Publication of HU178129B publication Critical patent/HU178129B/hu

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J31/00—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring
    • C07J31/003—Normal steroids containing one or more sulfur atoms not belonging to a hetero ring the S atom directly linked to a ring carbon atom of the cyclopenta(a)hydrophenanthrene skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0003—Androstane derivatives
    • C07J1/0011—Androstane derivatives substituted in position 17 by a keto group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
    • C07J1/0003—Androstane derivatives
    • C07J1/0033—Androstane derivatives substituted in position 17 alfa and 17 beta
    • C07J1/004—Androstane derivatives substituted in position 17 alfa and 17 beta the substituent in position 17 alfa being an unsaturated hydrocarbon group
    • C07J1/0048—Alkynyl derivatives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J5/00—Normal 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
    • C07J5/0046—Normal 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 substituted in position 17 alfa
    • C07J5/0053—Normal 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 substituted in position 17 alfa not substituted in position 16
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J5/00—Normal 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
    • C07J5/0046—Normal 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 substituted in position 17 alfa
    • C07J5/0061—Normal 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 substituted in position 17 alfa substituted in position 16
    • C07J5/0069—Normal 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 substituted in position 17 alfa substituted in position 16 by a saturated or unsaturated hydrocarbon group
    • C07J5/0076—Normal 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 substituted in position 17 alfa substituted in position 16 by a saturated or unsaturated hydrocarbon group by an alkyl group
    • 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
    • C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
    • C07J7/001—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group
    • C07J7/004—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa
    • C07J7/0045—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by a keto group substituted in position 17 alfa not substituted in position 16
    • 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
    • C07J7/0005—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21
    • C07J7/0065—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by an OH group free esterified or etherified
    • C07J7/0075—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms not substituted in position 21 substituted in position 20 by an OH group free esterified or etherified substituted in position 17 alfa
    • 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
HU76UO158A 1975-11-17 1976-11-17 Process for preparing 21-phenyl-sulphinyl-20-alkoxy-pregna-4,17/20/-dien-3-ones HU178129B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/632,671 US4041055A (en) 1975-11-17 1975-11-17 Process for the preparation of 17α-hydroxyprogesterones and corticoids from androstenes

Publications (1)

Publication Number Publication Date
HU178129B true HU178129B (en) 1982-03-28

Family

ID=24536447

Family Applications (8)

Application Number Title Priority Date Filing Date
HU76UO157A HU177914B (en) 1975-11-17 1976-11-17 Process for preparing 21-phenyl-sulphinyl-pregna-4,17/20/,20-trien-3-ones
HU76UO158A HU178129B (en) 1975-11-17 1976-11-17 Process for preparing 21-phenyl-sulphinyl-20-alkoxy-pregna-4,17/20/-dien-3-ones
HU812028A HU188066B (en) 1975-11-17 1976-11-17 Process for producing corticosteroides
HU76UO129A HU173670B (hu) 1975-11-17 1976-11-17 Sposob poluchenija 20-alkoksi-21-fenilsul'fonil-pregna-4,17-skobka-20-skobka zakryta-dien-3-onov
HU812029A HU188067B (en) 1975-11-17 1976-11-17 Process for preparing delta 17/20/21-substituted steroids
HU76UO130A HU174396B (hu) 1975-11-17 1976-11-17 Sposob poluchenija 17-al'fa-gidroksi-kortikosteroidov
HU76UO127A HU178128B (en) 1975-11-17 1976-11-17 Process for producing corticosteroides
HU@@A HU173541B (hu) 1975-11-17 1976-11-17 Sposob poluchenija 21-fenilsul'fonil-pregna-4,17-skobka zakryta-,20-tien-3-onov

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HU76UO157A HU177914B (en) 1975-11-17 1976-11-17 Process for preparing 21-phenyl-sulphinyl-pregna-4,17/20/,20-trien-3-ones

Family Applications After (6)

Application Number Title Priority Date Filing Date
HU812028A HU188066B (en) 1975-11-17 1976-11-17 Process for producing corticosteroides
HU76UO129A HU173670B (hu) 1975-11-17 1976-11-17 Sposob poluchenija 20-alkoksi-21-fenilsul'fonil-pregna-4,17-skobka-20-skobka zakryta-dien-3-onov
HU812029A HU188067B (en) 1975-11-17 1976-11-17 Process for preparing delta 17/20/21-substituted steroids
HU76UO130A HU174396B (hu) 1975-11-17 1976-11-17 Sposob poluchenija 17-al'fa-gidroksi-kortikosteroidov
HU76UO127A HU178128B (en) 1975-11-17 1976-11-17 Process for producing corticosteroides
HU@@A HU173541B (hu) 1975-11-17 1976-11-17 Sposob poluchenija 21-fenilsul'fonil-pregna-4,17-skobka zakryta-,20-tien-3-onov

Country Status (12)

Country Link
US (1) US4041055A (hu)
JP (3) JPS5262265A (hu)
CH (2) CH636362A5 (hu)
DE (1) DE2649753C2 (hu)
FR (2) FR2351997A1 (hu)
GB (4) GB1531047A (hu)
HU (8) HU177914B (hu)
IE (1) IE44548B1 (hu)
IL (3) IL50787A (hu)
MX (1) MX4328E (hu)
NL (1) NL170420C (hu)
PL (3) PL116356B1 (hu)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041055A (en) * 1975-11-17 1977-08-09 The Upjohn Company Process for the preparation of 17α-hydroxyprogesterones and corticoids from androstenes
US4216159A (en) * 1978-05-25 1980-08-05 The Upjohn Company Synthesis of 16-unsaturated pregnanes from 17-keto steroids
US4336200A (en) * 1980-01-31 1982-06-22 The Upjohn Company 17α-Acyloxy-5β-corticoids
FR2486947A1 (fr) * 1980-07-15 1982-01-22 Roussel Uclaf Nouveaux derives steroides 20-isonitriles 17(20) insatures, leur procede de preparation et leur application a la preparation des steroides 17a-hydroxy 20-ceto
HU183397B (en) * 1981-04-16 1984-04-28 Richter Gedeon Vegyeszet Process for preparing 17alpha-hydroxy-pregn-4-ene-3,20-dione derivatives
US4357279A (en) * 1981-05-18 1982-11-02 The Upjohn Company Preparation of corticoids from 17-keto steroids
US4342702A (en) * 1981-05-18 1982-08-03 The Upjohn Company Metallated halogenated acetylene corticoid synthesis
US4411835A (en) * 1981-05-18 1983-10-25 The Upjohn Company Preparation of corticoids from 17-keto steroids
US4401599A (en) * 1981-05-18 1983-08-30 The Upjohn Company Preparation of 21-halo steroids
US4404142A (en) * 1981-05-18 1983-09-13 The Upjohn Company Preparation of corticoids from 17-keto steroids
US4412955A (en) * 1981-05-18 1983-11-01 The Upjohn Company Preparation of corticoids from 17-keto steroids
US4383947A (en) * 1981-07-24 1983-05-17 The Upjohn Company Introduction of a fluorine atom
US4524134A (en) * 1982-07-30 1985-06-18 The Upjohn Company Process for preparing 1,2-dehydro steroids
DE3322120A1 (de) * 1982-07-30 1984-02-02 The Upjohn Co., 49001 Kalamazoo, Mich. Verfahren zur umwandlung von 1,2-gesaettigten 3-ketosteroiden in 1,2-dehydrosteroide
EP0104054A3 (en) * 1982-09-20 1985-10-09 The Upjohn Company 16-methylene-steroids and their preparation
US4704358A (en) * 1982-10-25 1987-11-03 The Upjohn Company Δ1 -dehydrogenation with heat or air-dried B. cyclooxidans
US4684610A (en) * 1983-03-15 1987-08-04 The Upjohn Company Process for converting 1,2-saturated steroids to 1,2-dehydro steroids
US4749649A (en) * 1983-05-16 1988-06-07 The Upjohn Company Microbial Δ1-dehydrogenation process using a scavenger of toxic oxygen
US4614621A (en) * 1984-04-20 1986-09-30 The Upjohn Company Ethynylation of 16-methylene-17-keto steroids
US4618456A (en) * 1984-03-20 1986-10-21 The Upjohn Company Ethynylation of 16-methyl-17-keto steroids
US4548748A (en) * 1984-02-03 1985-10-22 The Upjohn Company Cyanohydrin process
US4831131A (en) * 1984-02-03 1989-05-16 The Upjohn Company 11β,17α-Dihydroxy-17β-cyano-androstanes
US4585590A (en) * 1984-02-03 1986-04-29 The Upjohn Company Cyanohydrin process
US4500461A (en) * 1984-02-03 1985-02-19 The Upjohn Company Cyanohydrin process
US4530795A (en) * 1984-02-27 1985-07-23 The Upjohn Company Process for preparation of 16 α-methyl corticoids from Δ16 -steroids
US4600538A (en) * 1984-08-02 1986-07-15 The Upjohn Company Corticosteroids from 17-keto steroids via 20-cyano-Δ17 (20)-pregnanes
US4613463A (en) * 1984-11-01 1986-09-23 The Upjohn Company Process and intermediates for the preparation of 17 alphahydroxyprogesterones and corticoids from an enol steroid
US5099019A (en) * 1985-09-12 1992-03-24 Upjohn Company Amines useful in producing pharmaceutically active CNS compounds
USRE35053E (en) * 1985-09-12 1995-10-10 The Upjohn Company Amines useful in producing pharmaceutically active CNS compounds
US5380841A (en) * 1985-09-12 1995-01-10 The Upjohn Company Pyridinylpiperazinyl steroids
US4910191A (en) * 1988-06-28 1990-03-20 Merrell Dow Pharmaceuticals Inc. 19-substituted progesterone derivatives useful as 19-hydroxylase inhibitors
ATE190623T1 (de) * 1990-06-11 2000-04-15 Alcon Lab Inc Verwendung von steroiden zur inhibierung von angiogenesis
US5972922A (en) * 1990-06-11 1999-10-26 Alcon Laboratories, Inc. Steroids which inhibit angiogenesis
ATE232540T1 (de) * 1991-11-22 2003-02-15 Alcon Lab Inc Angiostatische steroide
US20040023935A1 (en) * 2002-08-02 2004-02-05 Dey, L.P. Inhalation compositions, methods of use thereof, and process for preparation of same
US20040109826A1 (en) * 2002-12-06 2004-06-10 Dey, L.P. Stabilized albuterol compositions and method of preparation thereof
HU227112B1 (hu) * 2006-06-14 2010-07-28 Richter Gedeon Nyrt Ipari eljárás 17-alfa-acetoxi-11-béta-[4-(N,N-dimetil-amino)-fenil]-19-norpregna-4,9-dién-3,20-dion elõállítására és új intermedierek az eljáráshoz
ES2744879T3 (es) 2008-05-28 2020-02-26 Reveragen Biopharma Inc Moduladores esteroideos no hormonales de NF-kappaB para el tratamiento de enfermedades
WO2011127048A2 (en) 2010-04-05 2011-10-13 Validus Biopharma NON-HORMONAL STEROID MODULATORS OF NF-ĸB FOR TREATMENT OF DISEASE
CN102477060B (zh) * 2010-11-22 2014-08-13 华润紫竹药业有限公司 甾体化合物及其制备方法和用途
HUE027821T2 (hu) 2011-12-23 2016-11-28 Crystal Pharma Sau Eljárás 16-szubsztituált-17-ketoszteroid-származékok alkinilezésére
CN106046099B (zh) * 2012-01-19 2018-03-16 华润紫竹药业有限公司 甾体化合物及其制备方法和用途
CN104628806A (zh) * 2012-01-19 2015-05-20 华润紫竹药业有限公司 甾体化合物及其制备方法和用途
CN102702296B (zh) * 2012-06-19 2014-09-03 山东诚创医药技术开发有限公司 环-3,20-双(1,2-亚乙基缩醛)-17α-羟基-17β-乙酰基-雌甾-5(10),9(11)-二烯-3-酮的制备方法
CN102942612A (zh) * 2012-10-30 2013-02-27 四川大学 一种合成醋酸乌利司他的新方法
WO2014067127A1 (zh) * 2012-11-02 2014-05-08 Huang Yunsheng 一种合成6-甲基-17α-乙酰氧基-19-去甲孕甾-4,6-二烯-3,20-二酮的方法
CN103145788B (zh) * 2013-03-25 2015-08-19 浙江仙琚制药股份有限公司 醋酸优力司特关键中间体的制备方法
US10799514B2 (en) 2015-06-29 2020-10-13 Reveragen Biopharma, Inc. Non-hormonal steroid modulators of NF-kappa beta for treatment of disease
CN105001294A (zh) * 2015-07-29 2015-10-28 宝鸡康乐生物科技有限公司 一种妊娠素的合成方法
CN105153261B (zh) * 2015-10-08 2017-12-05 浙江仙居君业药业有限公司 一种炔孕酮的合成方法
CN106986911B (zh) * 2017-03-23 2019-05-10 湖南玉新药业有限公司 地塞米松关键中间体联烯亚砜物的制备方法
CN106986908B (zh) * 2017-03-23 2019-05-10 湖南玉新药业有限公司 倍他米松的制备方法
US11382922B2 (en) 2019-03-07 2022-07-12 Reveragen Biopharma, Inc. Aqueous oral pharmaceutical suspension compositions
CN112175035A (zh) * 2020-09-08 2021-01-05 山东斯瑞药业有限公司 一种倍他米松重排物的制备方法及倍他米松重排物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3499016A (en) * 1958-08-04 1970-03-03 Upjohn Co 6alpha-fluoro-16alpha-methyl derivatives of the pregnane series
US3499013A (en) * 1968-11-04 1970-03-03 Searle & Co 3-oxygenated 21beta-hydrocarbonsulfonyl-pregna-17(20),20-dienes,dehydro and 19-nor derivatives thereof and intermediates thereto
FR2150216A1 (en) * 1971-08-20 1973-04-06 Syntex Corp 17-vinylidene steroids - inters for progesterone derivs
US3992422A (en) * 1975-08-14 1976-11-16 Schering Corporation Process for the preparation of 21-halogeno-21-desoxy-17α-acyloxy-20-keto-pregnenes
US4041055A (en) * 1975-11-17 1977-08-09 The Upjohn Company Process for the preparation of 17α-hydroxyprogesterones and corticoids from androstenes

Also Published As

Publication number Publication date
NL170420B (nl) 1982-06-01
HU188067B (en) 1986-03-28
GB1531048A (en) 1978-11-01
JPS6228158B2 (hu) 1987-06-18
NL7612364A (nl) 1977-05-20
JPH0113718B2 (hu) 1989-03-07
IL58540A0 (en) 1980-01-31
HU173670B (hu) 1979-07-28
IL50787A0 (en) 1976-12-31
JPH0113719B2 (hu) 1989-03-07
FR2366310A1 (fr) 1978-04-28
PL193723A1 (hu) 1980-01-28
PL214253A1 (hu) 1980-01-14
PL116356B1 (en) 1981-06-30
PL116459B1 (en) 1981-06-30
CH636362A5 (de) 1983-05-31
IE44548L (en) 1977-05-17
PL215854A1 (hu) 1980-04-21
HU188066B (en) 1986-03-28
CH630394A5 (de) 1982-06-15
IL58539A0 (en) 1980-01-31
DE2649753A1 (de) 1977-05-26
HU174396B (hu) 1979-12-28
NL170420C (nl) 1982-11-01
IE44548B1 (en) 1981-12-30
PL119050B1 (en) 1981-11-30
GB1531050A (en) 1978-11-01
HU178128B (en) 1982-03-28
US4041055A (en) 1977-08-09
JPS5262265A (en) 1977-05-23
MX4328E (es) 1982-03-25
FR2351997B1 (hu) 1980-11-14
GB1531049A (en) 1978-11-01
HU173541B (hu) 1979-06-28
JPS6354391A (ja) 1988-03-08
JPS6354393A (ja) 1988-03-08
GB1531047A (en) 1978-11-01
IL50787A (en) 1983-06-15
HU177914B (en) 1982-01-28
DE2649753C2 (de) 1982-08-19
FR2351997A1 (fr) 1977-12-16
FR2366310B1 (hu) 1980-11-14

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