TANDEM INTRAMOLECULAR WITTIG AND CLAISEN REARRANGEMENT REACTIONS IN THE THERMOLYSIS OF 2-METHYL-2-PHENOXY-PROPIONYL-CYANOMETHYLENETRIPHENYLPHOSPHORANES: SYNTHESIS OF SUBSTITUTED 2H-1-BENZOPYRANS AND BENZOFURANS
The preparation and thermolysis in vacuum of 2-methyl-2-phenoxy-propionyl-cyanomethylenetriphenylphosphorane and derivatives containing methyl-, methoxy- and chloro- substituents in the phenoxy ring is reported.The method merges the preparation of phenyl
Rehman, H.,Rao, Jampani Madhusudana
p. 5335 - 5340
(2007/10/02)
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