Tetrahedron Letters p. 1211 - 1214 (1998)
Update date:2022-08-05
Topics:
Okamura, Hiroaki
Morishige, Katsuki
Iwagawa, Tetsuo
Nakatani, Munehiro
In the presence of a cinchona alkaloid as a catalyst, the Diels-Alder reaction of 3-hydroxy-2-pyrone with chiral N-acryloyl oxazolidinone afforded a bicyclolactone adduct with high diastereoselectivities (up to 95%de) in almost quantitative yield.
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(1972)
