Linear neutral compound like 1 or zwitterionic heterocycles like 2 form exclusively from the reaction of C3O2 with the phosphorus ylides Ph3P =CHX (X = CN for 1, and COMe or COPh for 2) bearing an H atom on the ylidic C atom. In contrast to earlier investigations, neither Wittig reactions nor the formation of cyclobutanediones were observed.
REACTIONS OF C3O2 WITH STABILIZED TRIPHENYLPHOSPHORANES PH(3)P=CHX (X=CN, COME, COPH)
PANDOLFO, LUCIANO;BERTANI, ROBERTA;
1994
Abstract
Linear neutral compound like 1 or zwitterionic heterocycles like 2 form exclusively from the reaction of C3O2 with the phosphorus ylides Ph3P =CHX (X = CN for 1, and COMe or COPh for 2) bearing an H atom on the ylidic C atom. In contrast to earlier investigations, neither Wittig reactions nor the formation of cyclobutanediones were observed.File in questo prodotto:
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