Tetrahedron Letters p. 8445 - 8448 (1995)
Update date:2022-08-11
Topics:
Ha, Deok-Chan
Yun, Kyeong-Soon
Park, Hye-Sang
Choung, Won-Keun
Kwon, Young-Eun
Enolate dianion of diethyl (S)-malate was stereoselectively condensed with nonenolizable N-arylimines to give 2-pyrrolidinone derivatives.The presence of HMPA changes the diastereoselectivity of this cyclization reaction.
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(1989)
