a Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife (PE - Brasil
b Instituto de Química, Universidade de São Paulo, Cx.Postal - 20.780, São Paulo (SP - Brasil
Abstract:
Butyl vinyl tellurides and bis-vinyl tellurides furnish vinyllithiums with retention of configuration in good yields upon treatment with n-butyllithium at −78°C.