A NEW FLUORIDE ANION-PROMOTED 1,4-CYCLOADDITION LEADING TO SYNTHESIS OF α-TETRALONES
Fluoride anion-promoted 1,4-cycloaddition of methyl o-trimethylsilylmethylbenzoate to conjugated olefins was found to give α-tetralones and uncyclized Michael adducts in moderate yields.
Aono, Masahiro,Terao, Yoshiyasu,Achiwa, Kazuo
p. 339 - 340
(2007/10/02)
THERMAL ADDITION REACTIONS TO BENZOCYCLOBUTENONES STUDIED BY FLASH PHOTOLYSIS
Ortho-quinoid vinylketenes 2 have been generated thruogh flash photolysis of benzocyclobutenones 1.A kinetic study of intermolecular addition reactions of 2 competing with the recyclization 2 -> 1 reveals strikingly different substituent effects for the addition of methanol and of dienophiles.
Schiess, P.,Eberle, M.,Huys-Francotte, M.,Wirz, J.
p. 2201 - 2204
(2007/10/02)
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