申请人:Klass Katrin
                            
                            
                                公开号:US20070191649A1
                            
                            
                                公开(公告)日:2007-08-16
                            
                            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.