| 摘要 |
N-Alkenyl- and N-alkynyl-oxycarbonyl-valine naphthyl-ethylamides (I) with > 90 wt.% isomeric purity are new. R<1> = alkyl, alkenyl or alkynyl with up to 8C opt. substd. by/- 1 halo and/or opt. mono-, di- or tri-substd. by CN, 1-4C alkoxy, 1-4C haloalkoxy, 1-4C alkylthio, 1-4C alkoxycarbonyl or 3-7C cycloalkyl, 3-7C cycloalkenyl, aryl, aryloxy or heteroaryl (opt. mono-, di- or tri-substd. by halo, CN, 1-4C alkyl, 1-4C alkoxyalkyl, 1-4C haloalkyl, 1-4C alkoxy, 1-4C haloalkoxy, 1-4C alkylthio, 1-4C alkoxycarbonyl, aryl, aryloxy or heteroaryl), R<2> = H, halo, CN, NO2, 1-8C alkyl, 1-4C alkoxyalkyl, 1-4C alkyl, 1-4C alkoxy or 1-4C alkylthio opt. substd. by halo or OPh or SPh opt. mono-, di- or tri-substd. by halo, 1-4C alkyl or 1-4C alkoxy. |
