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Cyclic Bis(phosphanyl)carbenium Ion by Protonation of a 1,3‐Diphosphacyclobutane‐2,4‐diyl
Author(s) -
Sebastian Manuel,
Hoskin Aaron,
Nieger Martin,
Nyulászi László,
Niecke Edgar
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200462032
Subject(s) - protonation , chemistry , carbenium ion , lone pair , ion , phosphorus , organic chemistry , molecule
Strong interactions with the lone pairs of the neighboring, pyramidalized phosphorus atoms stabilize the cyclic carbenium ion 2 . The 1,3‐bis(phosphanyl)carbenium unit was obtained by protonation of a 1,3‐diphosphacyclobutane‐2,4‐diyl 1 (R=2,4,6‐ t Bu 3 C 6 H 2 , HX=trifluoromethanesulfonic acid).