Relative reactivities of conjugated dienes towards silicon difluoride
Abstract
The relative reactivities of buta-1,3-diene, trans-penta-1,3-diene, cis-penta-1,3-diene, and 2-methyl-buta-1,3-diene towards monomeric 31SiF2 have been measured; since a large steric effect has been observed between cis- and trans-pentadienes for their reactivities towards triplet 31SiF2-donor, a direct 1,4-addition process is indicated for such 31SiF2-donating complexes.