Tetrahedron Letters p. 2839 - 2840 (1995)
Update date:2022-08-04
Topics:
Bonadies, Francesco
By treatment with stabilized lithium phosphonates in the presence of activated 4A molecular sieves, unprotected α-hydroxy ketones 1 undergo a convenient Horner-Wadsworth-Emmons olefination to give directly butenolides 3 as exclusive or predominant products.
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