212071-04-0Relevant articles and documents
Enantioselective binaphthophosphepine-promoted [3+2] annulations of N-Ts- and N-DPP-imines with allenoates and 2-butynoates
Pinto, Nathalie,Fleury-Bregeot, Nicolas,Marinetti, Angela
experimental part, p. 146 - 151 (2009/07/05)
The use of binaphthophosphepine 1a as a catalyst for the [3+2] cyclisation between allenoates or 2-butynoates and imines was investigated. The effects of the imine protecting group on both the catalytic activity and enantioselectivity were determined by c