Titanacyclopentene complexes and their application as 1,4-dicarbanion equivalents.
The treatment of Ti(OiPr)(4) with 3-butenylmagnesium chloride generates titanacyclopentene complexes which effectively add to carbonyl compounds and nitriles to afford the 1,4-coupling products with high Z:E selectivities.
Goeke
Andreas
A
Givaudan Schweiz AG, Fragrance Research, Ueberlandstr. 138, 8600 Duebendorf, Switzerland. andreas.goeke@givaudan.com
Mertl
Daniel
D
Jork
Stephanie
S