Low-valent phosphorus compounds such as phosphaalkenes and �alkynes are often termed �carbon-copies� as their chemistry parallels that of alkenes and alkynes in many respects. The fusion of these two fields, low-valent phosphorus chemistry and carbon-based p-conjugates such as oligoacetylenes, brings about novel materials with unprecedented electronic and coordination properties.A novel building block for the construction of oligomeric mono-disperse p-conjugates has been realized in C,C-diacetylenic phosphaalkene 1  (ACIE 2008, 8228, Chem. Eur. J. 2011, 12153). The P-heteroatom has a pronounced effect on the compounds FMOs. Recently obtained results of unprecedented and unpublished cascade reactions that lead to phospholes and other phosphorous heteroaromatics will be disclosed.

Expanding the phosphorus-carbon analogy: Acetylenic phosphaalkenes, phospholes, and unprecedented cascade reactions

243rd National Meeting (2012)

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