(4R,5R,7R,8R)-6-Methylene-4,5,7,8-tetrakis-triethylsilanyloxy-dec-1-en-9-yne 、
9H-fluoren-9-ylmethyl (2E)-3-methylhexa-2,5-dienoate 在
tris(acetonitrile)pentamethylcyclopentadienylruthenium(II) hexafluorophosphate 作用下,
以5%的产率得到(2E,4E)-(8R,9R,11R,12R)-3-Methyl-7,10-dimethylene-8,9,11,12-tetrakis-triethylsilanyloxy-pentadeca-2,4,14-trienoic acid 9H-fluoren-9-ylmethyl ester