Site-Selective Pd-Catalyzed Coupling of 1,4-Diiodo-1,3-alkadienes with Grignard Reagents and Its Application to the Synthesis of Fulvenes
作者:Minoru Uemura、Yuuki Takayama、Fumie Sato
DOI:10.1021/ol0478032
日期:2004.12.1
[reaction: see text] The coupling reaction of 1,4-diiodo-1,3-alkadienes with a Grignard reagent in the presence of a catalytic amount of Pd(PPh3)4 proceeded with excellent site-selectivity. Synthetic application of the reaction was demonstrated by a regio- and stereoselective synthesis of 1,3,6-trisubstituted fulvenes.
[反应:见正文]在催化量的Pd(PPh3)4存在下,1,4-二碘-1,3-链二烯与格利雅试剂的偶联反应具有出色的位点选择性。通过1,3,6-三取代的富烯的区域和立体选择性合成证明了该反应的合成应用。