Terminal allenes react smoothly with B-iodo-9-borabicyclo[3.3.1]nonane (B-iodo-9-BBN), and the subsequent protonolysis with acetic acid gives the corresponding 2-iodoalkenes.
Cyclo- and carbomagnesiation of 1,2-dienes catalyzed by Zr complexes
作者:Usein M Dzhemilev、Vladimir A D'yakonov、Leila O Khafizova、Askhat G Ibragimov
DOI:10.1016/j.tet.2003.10.063
日期:2004.2
Cyclo- and carbomagnesiation of 1,2-dienes with EtMgR' (R'=Et, Br) in the presence Of CP2ZrCl2 catalyst lead to alkylidenemagnesiocyclopentanes. Deuterolysis provides insights into the reaction pathways. (C) 2003 Elsevier Ltd. All rights reserved.