Amidine-Based Catalysts (ABCs)- Design Development and ApplicationsChem.
Res. 2000, 33, 412.
(5) (a) Vedejs, E.; Daugulis, O.; Diver, S. T. J. Org. Chem. 1996, 61, 430. (b)
Vedejs, E.; Daugulis, O. J. Am. Chem. Soc. 1999, 121, 5813. (c) Vedejs,
E.; Daugulis, O.