FI925541A - Process for the preparation of 5,8,11-eicosatriynoic acid - Google Patents

Process for the preparation of 5,8,11-eicosatriynoic acid Download PDF

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Publication number
FI925541A
FI925541A FI925541A FI925541A FI925541A FI 925541 A FI925541 A FI 925541A FI 925541 A FI925541 A FI 925541A FI 925541 A FI925541 A FI 925541A FI 925541 A FI925541 A FI 925541A
Authority
FI
Finland
Prior art keywords
preparation
eicosatriynoic acid
acid
reacted
formula
Prior art date
Application number
FI925541A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI94236B (en
FI94236C (en
FI925541A0 (en
Inventor
Braham Shroot
Christopher Hensby
Jean Maignan
Gerard Lang
Serge Restle
Michel Colin
Original Assignee
Cird Galderma
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 FR8510363A external-priority patent/FR2584400B1/en
Priority claimed from FI910542A external-priority patent/FI910542A0/en
Application filed by Cird Galderma filed Critical Cird Galderma
Publication of FI925541A publication Critical patent/FI925541A/en
Publication of FI925541A0 publication Critical patent/FI925541A0/en
Publication of FI94236B publication Critical patent/FI94236B/en
Application granted granted Critical
Publication of FI94236C publication Critical patent/FI94236C/en

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Abstract

The invention relates to a process for preparing 5, 8, 11 eicosatriynoic acid, in which 1-decyne of the formula (I) is treated with a strong base in order to form acetyl [sic], which is reacted with 1,4-dihalogen-1-butyne: 2 in order to prepare 1'-halogen-1-tetradeca-2,5-diyne of the formula 3 which is reacted with hexyne-5-carboxylic acid: 6
FI925541A 1985-07-05 1992-12-07 Process for the preparation of 5,8,11-eicosatriynoic acid FI94236C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8510363A FR2584400B1 (en) 1985-07-05 1985-07-05 ESTERS AND AMIDES OF EICOSATRIYNOIC ACID AND THEIR APPLICATION IN PHARMACY AND COSMETICS
FR8510363 1985-07-05
FI910542A FI910542A0 (en) 1985-07-05 1991-02-05 FOERFARANDE FOER FRAMSTAELLNING AV FARMAKOLOGISKT VAERDEFULLA ESTRAR OCH AMIDER AV EIKOSATRIYONINSYRA.
FI910542 1991-02-05

Publications (4)

Publication Number Publication Date
FI925541A true FI925541A (en) 1992-12-07
FI925541A0 FI925541A0 (en) 1992-12-07
FI94236B FI94236B (en) 1995-04-28
FI94236C FI94236C (en) 1995-08-10

Family

ID=26158897

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925541A FI94236C (en) 1985-07-05 1992-12-07 Process for the preparation of 5,8,11-eicosatriynoic acid

Country Status (1)

Country Link
FI (1) FI94236C (en)

Also Published As

Publication number Publication date
FI94236B (en) 1995-04-28
FI94236C (en) 1995-08-10
FI925541A0 (en) 1992-12-07

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