| abstract |
(57) Abstract: N-Substituted cis-N-propenyl-acetamide. SOLUTION: General formula (I) [Wherein R 1 is an optionally substituted alkyl in each case, —C (Alkyl) 2 -alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, aralkyl or hetarylalkyl] is a new N-substituted cis-N-propenyl-acetamide represented by the general formula (II) [Wherein R 1 is as defined above], It is prepared by isomerization with a strong base, if appropriate in the presence of a diluent, and used for the preparation of 2-chloro-5-methylpyridine. |