Lewis acid catalyzed Diels-Alder reactions of two useful dienyl phosphate esters

HJ Liu, WM Feng, JB Kim…

Index: Skowronska, Aleksandra; Krawczyk, Ewa; Koprowski, Marek; Dybowski, Piotr Phosphorus, Sulfur and Silicon and Related Elements, 1996 , vol. 109, # 1-4 p. 409 - 412

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Citation Number: 9

Abstract

... VOL. ... to C-3 of 12 should appear at lower field than that of C-6 while a doublet should appear for the C-6 signal due to carbon-phosphorus cou- pling. ... The 8: 1 mixture of Diels-Alder adducts was treated with 2,3-dichloro-5,6-dicyano-1,4-benzo- quinone in refluxing benzene. ...