H. Ito et al., 1,4-Addition reaction of gamma,gamma-dialkoxyallylic zirconium species as a gem-dialkoxycyclopropyl anion equivalent, TETRAHEDR L, 40(17), 1999, pp. 3397-3398
In the presence of a Lewis acid (Et2AlCl), gamma,gamma-dialkoxyallylic zirc
onium species reacted with alpha,beta-unsaturated-N-acyloxazolidinone to gi
ve gem-dialkoxycyclopropane derivatives through 1,4-addition reaction. (C)
1999 Published by Elsevier Science Ltd. All rights reserved.