Tetrahedron Letters p. 6861 - 6864 (1991)
Update date:2022-09-26
Topics: Characterization Introduction of chirality Purification and Isolation Ring Formation Construction of the Core Structure Functional Group Transformations
Lee
Chan
Lee
Remarkable diastereoselectivity was observed in the cyclization of β-aminovinyl sulfoxide 5a prepared from chiral acetylenic sulfoxide 1a in acidic medium. The cyclized product 6a was then converted to (R)-(+)-carnegine.
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