171003-67-1Relevant articles and documents
Diels-alder reactions of a styrene-isocyanate: Unexpected formation of a pyridinone and uracil
Gfesser, Gregory A.,Whittern, David,Cowart, Marlon D.,Faghih, Ramin
, p. 1199 - 1203 (2008/12/20)
During the preparation of 6-bromoisoquinolinone, a novel and unexpected reaction occurred to form a pyridinone and a pyrimidine-2,4-dione. We propose a [4+2] Diels-Alder dimerization of an intermediate styrene-isocyanate to explain the observed products.