Tetrahedron Letters p. 1903 - 1906 (1986)
Update date:2022-07-30
Topics:
Keller, Harald
Maas, Gerhard
Regitz, Manfred
The phosphaalkynes 7 - generated by reaction of chlorophosphines 3 with the silver diazo compounds 4 - undergo spontaneous dimerization accompanied by a P <*> P O-shift to yield the λ5-diphosphetes 9.Their structural assignment is based on an X-ray crystal structure analysis of 9a as well as on ring cleavage by water (9 <*> 10).
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(1957)
