Tetrahedron letters

One pot synthesis of mono-and spirocyclic α-phosphonato-α, β-unsaturated cycloenones

JM Gil, JH Hah, KY Park, DY Oh

Index: Gil, Jun Mo; Hah, Jung Hwan; Park, Kwang Young; Oh, Dong Young Tetrahedron Letters, 1998 , vol. 39, # 20 p. 3205 - 3208

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Citation Number: 14

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A one pot ozonolysis/intramolecular aldol condensation(with the aid of TsOH and Et 3 N as catalysts) of β-keto-ω-alkenylphosphonates provided the α-phosphonato-α,β-unsaturated cycloenone with good yields. ... Spectral data for S: 1 H NMR(300 MHz, CDCl 3 ) δ 7.28-7.27(m,1H), ...