(2R,3S)-2-Methyl-3-trimethylsilanyloxy-octa-6,7-dienoic acid 2,6-di-tert-butyl-4-methoxy-phenyl ester 在
N-氯代丁二酰亚胺 、 sodium iodide 作用下,
生成 (R)-2-[(2S,5S)-5-(1-Iodo-vinyl)-tetrahydro-furan-2-yl]-propionic acid 2,6-di-tert-butyl-4-methoxy-phenyl ester 、 (R)-2-[(2S,5R)-5-(1-Iodo-vinyl)-tetrahydro-furan-2-yl]-propionic acid 2,6-di-tert-butyl-4-methoxy-phenyl ester