TiCl4-mediated addition of the chiral silyl ketene acetal (2) to benzylideneaniline proceeds with high stereoselectivity to give, after cyclization, trans- β -lactam (7) in good yield and 95% e.e.
ASYMMETRIC-SYNTHESIS OF TRANS-BETA-LACTAMS THROUGH TICL4-MEDIATED ADDITION TO IMINES / C.M.A. GENNARI, I. VENTURINI, G. GISLON, G. SCHIMPERNA. - In: TETRAHEDRON LETTERS. - ISSN 0040-4039. - 28:2(1987), pp. 227-230.
ASYMMETRIC-SYNTHESIS OF TRANS-BETA-LACTAMS THROUGH TICL4-MEDIATED ADDITION TO IMINES
C.M.A. GENNARIPrimo
;
1987
Abstract
TiCl4-mediated addition of the chiral silyl ketene acetal (2) to benzylideneaniline proceeds with high stereoselectivity to give, after cyclization, trans- β -lactam (7) in good yield and 95% e.e.
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