Abstract
The reactions of α- and γ-substituted allylbenzotriazoles
2, 3 and
4 with an excess of lithium in THF at −78 °C generate various allyllithiums, which react readily with aldehydes and ketones with high regioselectivity to give predominantly the branched products
5 in excellent yields.
The reactions of α- and γ-substituted allylbenzotriazoles
2,3 and
4 with an excess of lithium in THF at −78 °C generate various allyllithiums, which react readily with aldehydes and ketones with high regioselectivity to give predominantly the branched products
5 in excellent yields.