FR1339249A - Dioxo-steroid selective ketalization process - Google Patents

Dioxo-steroid selective ketalization process

Info

Publication number
FR1339249A
FR1339249A FR915454A FR915454A FR1339249A FR 1339249 A FR1339249 A FR 1339249A FR 915454 A FR915454 A FR 915454A FR 915454 A FR915454 A FR 915454A FR 1339249 A FR1339249 A FR 1339249A
Authority
FR
France
Prior art keywords
dioxo
steroid
selective ketalization
ketalization process
selective
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
FR915454A
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.)
Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba 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 Ciba Geigy AG, Ciba AG filed Critical Ciba Geigy AG
Priority to FR915454A priority Critical patent/FR1339249A/en
Application granted granted Critical
Publication of FR1339249A publication Critical patent/FR1339249A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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)
FR915454A 1962-11-15 1962-11-15 Dioxo-steroid selective ketalization process Expired FR1339249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR915454A FR1339249A (en) 1962-11-15 1962-11-15 Dioxo-steroid selective ketalization process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR915454A FR1339249A (en) 1962-11-15 1962-11-15 Dioxo-steroid selective ketalization process

Publications (1)

Publication Number Publication Date
FR1339249A true FR1339249A (en) 1963-10-04

Family

ID=8790821

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915454A Expired FR1339249A (en) 1962-11-15 1962-11-15 Dioxo-steroid selective ketalization process

Country Status (1)

Country Link
FR (1) FR1339249A (en)

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