6797-02-0Relevant articles and documents
Asymmetric 13-dipolar cycloaddition of nitrones with ketene acetals catalyzed by chiral oxazaborolidines
Seerden, Jean-Paul G.,Schotte Op Reimer, Anita W. A.,Scheeren, Hans W.
, p. 4419 - 4422 (1994)
Asymmetric 1,3-dipolar cycloaddition of nitrones with ketene acetals is strongly catalyzed by chiral oxazaborolidines derived from N-tosyl-L-α-amino acids. The 5,5-dialkoxyisoxazolidines are obtained regioselectivity in high yield with high stereoselectiv