Preparation and Reactions of Functionalized Organocopper Reagents
作者:Paul Knochel、Xiaoyin Yang
DOI:10.1055/s-2006-942496
日期:2006.8
Functionalized organocopper reagents have been prepared via an iodine-copper exchange by the reaction of aryl or alkenyl iodides with a sterically hindered cuprate reagent, lithium dineophylcuprate [(Me 2 PhCCH 2 ) 2 CuLi]. The resulting copperreagents react readily with various electrophiles leading to polyfunctionalized molecules. This method represents a unique protocol for the preparation of aryl-
Stereoselective Functionalization of β-Iodo-α,β-Unsaturated Ketones via an Iodine−Copper Exchange Reaction
作者:Xiaoyin Yang、Paul Knochel
DOI:10.1021/ol060540m
日期:2006.4.1
beta-lodo-alpha,beta-unsaturated carbonyl compounds undergo a stereoselective iodine-copper exchange reaction with (Nphyl)(2)CuLi, providing the corresponding alkenyl cuprates with retention of the double bond configuration. No competitive addition/elimination was observed, and the resulting cuprates were successfully functionalized with various electrophiles.
TANIGUCHI MIKIO; KOBAYASHI SHOZO; NAKAGAWA MASAKO; HINO TOHRU; KISHI YOSH+, TETRAHEDRON LETT., 27,(1986) N 39, 4763-4766
作者:TANIGUCHI MIKIO、 KOBAYASHI SHOZO、 NAKAGAWA MASAKO、 HINO TOHRU、 KISHI YOSH+