| 摘要 |
<p>PROCESS FOR THE PREPARATION OF N-THIENYL-CHLOROACETAMIDES The invention provides compounds of formula I I wherein R is C1-4alkoxy-C2-4alkyl of which the C1-4alkoxy group is separated by at least 2 C-atoms from the N-atom to which R is bound, each of R2 and R4 independently is CH3 or C2H5 and R5 is H or CH3, the preparation of such compounds and the use of such compounds for the preparation of N-(thien-3-yl)-chloroacetamides.</p> |
