1. Triple-bonded heteroatom derivatives other than nitriles with another heteroatom attached to the sp-carbon atom;Veeck,1995
2. Product class 6: phosphaalkynes (alkylidynephosphines);Bergsträßer,2004
3. A Simple Route to Kinetically Unstabilized Phosphaalkynes
4. Methylidynephosphane (phosphaethyne);LeFloch,1996
5. (2,2-Dimethylpropylidyne)phosphane (tert-butylphosphaacetylene), (adamant-1-ylmethylidyne)phosphane (1- adamantylphosphaacetylene);Rösch,1996