... Yoshida, Sakyo, Kyoto 606 Japan. Received 7 January 1989, Available online 1 March 2001. Abstract. The diastereoselectivity of the addition of enolate anions of ketones or esters to N-Methoxycarbonylimines generated in situ from α-Methoxy carbamates was studied. References. 2; T. Shono, N. Kise, F. Sanda, S. Ohi, K. Tsubata; Tetrahedron Lett., 28 (1988), p. 231. ...