The effect of trifluoromethyl substitution on the B=N bond in trifluoromethyl-dimethylaminoboranes, CF3(R)BNMe2: crystal and molecular structure of CF3(Et)(NCCH2)B*NHMe2

Article abstract of DOI:10.1016/0022-328X(94)05344-B

Chloro-trifluoromethyl-dimethylaminoborane, CF3(Cl)BNMe2 (I), has been prepared from Cl2BNMe2 using the reagent combination P(NEt2)3-CF3Br in sulpholane.Compound I undergoes <2+2> cycloaddition reactions with ^tBuNCO and Cl2BNMe2 to yield the fo