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P,P,P ′, P ′‐Tetraphenylethylenediphosphane‐dichlorogermanediyl: A Fluxional Phosphorus Ylide
Author(s) -
du Mont WolfWalther,
Rudolph Gero,
Bruncks Norbert
Publication year - 1981
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198104751
Subject(s) - ylide , moiety , carbene , chemistry , phosphorus , stereochemistry , organic chemistry , catalysis
An interesting borderline case between chelate complex and conventional ylide is the diphosphane‐germanediyl (1) . R = C 6 H 5 . It is the first fluxional ylide in which the “carbene‐analogous” GeCl 2 moiety is still mobile in solution, even at −80 °C ( 31 P{ 1 H}‐NMR).