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Synthesis of cyclic allyl vinyl ethers using Pt(II)-catalyzed isomerization of oxo-alkynes

Authors:
Wang, Z. Z.
Lin, X.
Luck, R. L.
Gibbons, G.
Fang, S. Y.
Published by: Tetrahedron
Date: 3 2009
Volume, Number, Pages: 65 13 2643-2648

Accession Number: 000264206200002

Abstract:

Several alkynyl epoxides and one alkynyl allyl alcohol were isomerized to cyclic allyl vinyl ethers (3,4-dihydro-2H-1,4-oxazines) using PtCl2 as the catalyst. Three of these allyl vinyl ethers were converted to 2-hydroxymorpholine derivatives by hydrolysis and two were converted to piperidine derivatives by thermal Claisen rearrangement. (c) 2009 Elsevier Ltd. All rights reserved.