... R) 2 (THF) x ] (x = 0.15−0.25 (1-Ca, 3-Ca), 0.25−0.75 (2-Ca)) were synthesized by salt ... such as 1,3-diene transformations, as well as an important functional group in organic synthesis.(3, 4 ... of the corresponding alkene with KO t Bu/Li n Bu following the protocol by Schlosser et al ...