作者:Michael Green、Simon Greenfield、Meinolf Kersting
DOI:10.1039/c39850000018
日期:——
3-diene)(CO)2(η5-C9H7)][BF4], which undergo regioselective reactions with nucleophiles and from which the diene can be readily displaced with carbon monoxide; with acyclic 1,3-dienes cis–trans isomerisaton of the 1-sunstituent is avoided by using the corresponding pentamethylcyclopentadienyl system allowing the stereoselective syntheesis of (E,E)-undeca-1,3,5-triene.
[沫(NCMe)的反应2(CO)2(CO)2(η 5 -C 9 ħ 7)] [BF 4 ]与取代环己-1,3-二烯,得到的阳离子[沫(1,3-二烯)(CO)2(η 5 -C 9 ħ 7)] [BF 4 ],其经历与亲核试剂和从该二烯可与一氧化碳可以容易地移位区域选择性反应; 与无环的1,3-二烯的顺式-反式的1- sunstituent的isomerisaton是通过使用相应的五甲基环戊二烯系统允许(的立体选择性syntheesis避免ë,E)-undeca-1,3,5-三烯。