(5R,6R,7R,7aR)-6,7-bis(benzyloxy)-5-(but-3-enyl)tetrahydropyrrolo[1,2-c]oxazol-3(1H)-one 、 1,20-bis(tert-butyldiphenylsilyloxy)eicos-10-ene-5,16-dione 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
生成 (5R,5'R,6R,6'R,7R,7aR,7'R,7a'R)-5,5'-(hex-3(Z)-ene-1,6-diyl)-bis(6,7-bis(benzyloxy)tetrahydropyrrolo[1,2-c]oxazol-3(1H)-one) 、 (5R,5'R,6R,6'R,7R,7aR,7'R,7a'R)-5,5'-(hex-3(E)-ene-1,6-diyl)-bis(6,7-bis(benzyloxy)tetrahydropyrrolo[1,2-c]oxazol-3(1H)-one) 、 (5R,6R,7R,7aR)-6,7-bis(benzyloxy)-5-(13-tert-butyldiphenylsilyloxy-9-oxotridec-3(Z)-enyl)tetrahydropyrrolo[1,2-c]oxazol-3(1H)-one 、
(5R,6R,7R,7aR)-6,7-bis(benzyloxy)-5-(13-tert-butyldiphenylsilyloxy-9-oxotridec-3(E)-enyl)tetrahydropyrrolo[1,2-c]oxazol-3(1H)-one