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公开(公告)号:DE112005000193A5
公开(公告)日:2008-06-19
申请号:DE112005000193
申请日:2005-02-19
Applicant: BASF SE
Inventor: KLASS KATRIN , HAHN THILO , HENKELMANN JOCHEM
IPC: C07C29/42 , C07C29/17 , C07C29/38 , C07C29/56 , C07C33/042
Abstract: Process for preparing a propargyl alcohol of the formula I in which R 1 is a C 130 -alkyl, C 3-8 -cycloalkyl, C 2-20 -alkoxyalkyl, C 6-14 -aryl, C 7-20 -alkoxyarl, C 7-20 -aralkyl, C 7-20 -alkylaryl radical or H, by reacting a corresponding aldehyde of the formula R 1 -CHO with acetylene in the presence of ammonia and a catalytic amount of an alkali metal hydroxide, alkaline earth metal hydroxide or alkali metal alkoxide in the range from 0.6 to 10 mol % based on the aldehyde used, and also processes for preparing an allyl alcohol of the formulae II and III starting from the propargyl alcohol I prepared in accordance with the invention.