Isochromenes and their quinones through cyclisations with bisacetonitriledichloropalladium(II)
摘要:
Bisacetonitriledichloropalladium(II) is found to cyclise ortho-alkenylbenzyl alcohols rapidly to the corresponding isochromenes. The reaction also proceeds rapidly for a 2-allyl-3-hydroxyalkyl-1,4-naphthoquinon when the product is a benzoisochromenequinone. (C) 1999 Elsevier Science Ltd. All rights reserved.