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Priority claimed from FR8510363Aexternal-prioritypatent/FR2584400B1/en
Priority claimed from FI910542Aexternal-prioritypatent/FI910542A0/en
Application filed by Cird GaldermafiledCriticalCird Galderma
Publication of FI925541ApublicationCriticalpatent/FI925541A/en
Publication of FI925541A0publicationCriticalpatent/FI925541A0/en
Publication of FI94236BpublicationCriticalpatent/FI94236B/en
Application grantedgrantedCritical
Publication of FI94236CpublicationCriticalpatent/FI94236C/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
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
FI925541A1985-07-051992-12-07
Process for the preparation of 5,8,11-eicosatriynoic acid
FI94236C
(en)
1-hydroxy-1,1-diphosphonic-acid derivatives, process for their preparation and pharmaceutical preparations, especially for the treatment of bone tumours