Asymmetric 13-dipolar cycloaddition of nitrones with ketene acetals catalyzed by chiral oxazaborolidines

DOI: 10.1016/S0040-4039(00)73373-9

Source and publish data:

Tetrahedron Letters p. 4419 - 4422 (1994)

Update date:2022-08-04

Topics:

Authors:

Seerden, Jean-Paul G.

Schotte Op Reimer, Anita W. A.

Scheeren, Hans W.

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Article abstract of DOI:10.1016/S0040-4039(00)73373-9

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

Full text of DOI:10.1016/S0040-4039(00)73373-9

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