abstract |
The present invention is directed to a process for the manufacture of 2-pentyn-1-ol starting from 2-propyn-1-ol via the following intermediates (I), (II) wherein R 1 is H or linear C 1-6 alkyl, R 2 is linear C 1-6 alkyl or branched C 3-6 alkyl and R 3 is linear C 1-6 alkyl, as well as to the intermediates themselves. |