AT335084B - PROCESS FOR THE PREPARATION OF NEW PREGNAN-21-ALDEHYDE AND THEIR DERIVATIVES - Google Patents

PROCESS FOR THE PREPARATION OF NEW PREGNAN-21-ALDEHYDE AND THEIR DERIVATIVES

Info

Publication number
AT335084B
AT335084B AT137774A AT137774A AT335084B AT 335084 B AT335084 B AT 335084B AT 137774 A AT137774 A AT 137774A AT 137774 A AT137774 A AT 137774A AT 335084 B AT335084 B AT 335084B
Authority
AT
Austria
Prior art keywords
pregnan
aldehyde
derivatives
preparation
new
Prior art date
Application number
AT137774A
Other languages
German (de)
Other versions
ATA137774A (en
Original Assignee
Ciba Geigy 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
Priority claimed from CH313472A external-priority patent/CH592113A5/xx
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Priority to AT137774A priority Critical patent/AT335084B/en
Publication of ATA137774A publication Critical patent/ATA137774A/en
Application granted granted Critical
Publication of AT335084B publication Critical patent/AT335084B/en

Links

AT137774A 1972-03-03 1974-02-20 PROCESS FOR THE PREPARATION OF NEW PREGNAN-21-ALDEHYDE AND THEIR DERIVATIVES AT335084B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT137774A AT335084B (en) 1972-03-03 1974-02-20 PROCESS FOR THE PREPARATION OF NEW PREGNAN-21-ALDEHYDE AND THEIR DERIVATIVES

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH313472A CH592113A5 (en) 1972-03-03 1972-03-03
AT188773A AT335081B (en) 1972-03-03 1973-03-02 PROCESS FOR THE PREPARATION OF NEW PREGNAN-21-ALDEHYDE AND THEIR DERIVATIVES
AT137774A AT335084B (en) 1972-03-03 1974-02-20 PROCESS FOR THE PREPARATION OF NEW PREGNAN-21-ALDEHYDE AND THEIR DERIVATIVES

Publications (2)

Publication Number Publication Date
ATA137774A ATA137774A (en) 1976-06-15
AT335084B true AT335084B (en) 1977-02-25

Family

ID=27147428

Family Applications (1)

Application Number Title Priority Date Filing Date
AT137774A AT335084B (en) 1972-03-03 1974-02-20 PROCESS FOR THE PREPARATION OF NEW PREGNAN-21-ALDEHYDE AND THEIR DERIVATIVES

Country Status (1)

Country Link
AT (1) AT335084B (en)

Also Published As

Publication number Publication date
ATA137774A (en) 1976-06-15

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties