All mono-cis-isomers of 13-desmethyl-retinal have been prepared fro the alll-trans-compound by photoisomerisation. The various isomers were separated by HPLC and identified by their 400 MHz-1NMR-spectra.
所有13-去甲基-
视黄醛的单-顺式异构体都是通过光致异构化由烯丙基-反式化合物制备的。各种异构体通过HPLC分离和鉴定可以通过400
MHz- 1 NMR谱。