CA1040209A - Synthesis of a-ring aromatic steroids - Google Patents

Synthesis of a-ring aromatic steroids

Info

Publication number
CA1040209A
CA1040209A CA182,580A CA182580A CA1040209A CA 1040209 A CA1040209 A CA 1040209A CA 182580 A CA182580 A CA 182580A CA 1040209 A CA1040209 A CA 1040209A
Authority
CA
Canada
Prior art keywords
beta
tert
ethyl
methyl
butoxy
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
CA182,580A
Other languages
English (en)
French (fr)
Other versions
CA182580S (en
Inventor
Noal Cohen
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of CA1040209A publication Critical patent/CA1040209A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CA182,580A 1972-10-04 1973-10-03 Synthesis of a-ring aromatic steroids Expired CA1040209A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29503272A 1972-10-04 1972-10-04
US00375558A US3856864A (en) 1972-10-04 1973-07-02 Synthesis of a-ring aromatic steroids

Publications (1)

Publication Number Publication Date
CA1040209A true CA1040209A (en) 1978-10-10

Family

ID=26968875

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,580A Expired CA1040209A (en) 1972-10-04 1973-10-03 Synthesis of a-ring aromatic steroids

Country Status (9)

Country Link
US (1) US3856864A (enExample)
JP (1) JPS4992057A (enExample)
CA (1) CA1040209A (enExample)
CH (2) CH583251A5 (enExample)
DE (1) DE2349260A1 (enExample)
FR (1) FR2215417B1 (enExample)
GB (2) GB1414540A (enExample)
IL (1) IL43152A (enExample)
NL (1) NL7313194A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933870A (en) * 1973-07-02 1976-01-20 Hoffmann-La Roche Inc. Synthesis of A-ring aromatic steroids
US3971809A (en) * 1973-07-02 1976-07-27 Hoffmann-La Roche Inc. 3A,4,7,7A-Tetrahydro-4-phenylethyl-7a-alkyl-5(6H)-indanones and process for the preparation thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2835698A (en) * 1956-01-18 1958-05-20 Upjohn Co 9//10-secosteroids and process for their preparation
GB1078064A (en) * 1964-09-25 1967-08-02 Oril Soc Process for the manufacture of aliphatic aralkyl-ketones

Also Published As

Publication number Publication date
CH583251A5 (enExample) 1976-12-31
JPS4992057A (enExample) 1974-09-03
FR2215417A1 (enExample) 1974-08-23
IL43152A0 (en) 1973-11-28
IL43152A (en) 1978-08-31
FR2215417B1 (enExample) 1977-03-11
GB1414539A (en) 1975-11-19
GB1414540A (en) 1975-11-19
US3856864A (en) 1974-12-24
DE2349260A1 (de) 1974-04-25
NL7313194A (enExample) 1974-04-08
CH584177A5 (enExample) 1977-01-31

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