FR841080A - Tetracyclic condensation products and their preparation process - Google Patents

Tetracyclic condensation products and their preparation process

Info

Publication number
FR841080A
FR841080A FR841080DA FR841080A FR 841080 A FR841080 A FR 841080A FR 841080D A FR841080D A FR 841080DA FR 841080 A FR841080 A FR 841080A
Authority
FR
France
Prior art keywords
tetracyclic
preparation process
condensation products
condensation
products
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
Other languages
French (fr)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR841080A publication Critical patent/FR841080A/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
FR841080D 1937-07-23 1938-07-23 Tetracyclic condensation products and their preparation process Expired FR841080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE841080X 1937-07-23

Publications (1)

Publication Number Publication Date
FR841080A true FR841080A (en) 1939-05-10

Family

ID=6765641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841080D Expired FR841080A (en) 1937-07-23 1938-07-23 Tetracyclic condensation products and their preparation process

Country Status (1)

Country Link
FR (1) FR841080A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459834A (en) * 1944-01-10 1949-01-25 Ciba Pharm Prod Inc Process of preparing hydroxy hydrophenanthrene carboxylic acids and their esters
US2459950A (en) * 1944-11-30 1949-01-25 Ciba Pharm Prod Inc Hydrophenanthrene carboxylic acid intermediates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459834A (en) * 1944-01-10 1949-01-25 Ciba Pharm Prod Inc Process of preparing hydroxy hydrophenanthrene carboxylic acids and their esters
US2459950A (en) * 1944-11-30 1949-01-25 Ciba Pharm Prod Inc Hydrophenanthrene carboxylic acid intermediates

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