Bis-3-oxo-λ<sup>5</sup>-phosphole: Isolation, Structural Analyses, and Synthesis of Phosphorus-ylide Containing Conjugated Heterocycle
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A new class of phosphorus-ylide containing conjugate heterocycle was isolated from a mixture of colored products of the reaction of a silylphosphine and dimethyl acetylenedicarboxylate. The structure was determined and the selective synthesis was developed. The indigo-like bis-phosphole structure appears a green to blue color, which is derived from the low energy-gap of the phosphole.
创建时间：
2010-06-04
