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Author(s) -
Driess Matthias,
Monsé Christian,
Merz Klaus,
van Wüllen Christoph
Publication year - 2000
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/1521-3773(20001016)39:20<3515::aid-anie3515>3.0.co;2-7
Subject(s) - phosphonium , chemistry , reagent , derivative (finance) , solid state , ion , crystallography , medicinal chemistry , stereochemistry , polymer chemistry , organic chemistry , financial economics , economics
The cover picture shows the structure, determined crystallographically, of the tetrakis(trimethylstannyl)phosphonium cation that is formed with surprising ease from the reaction of P(SnMe 3 ) 3 with Me 3 SnOTf (OTf=OSO 2 CF 3 ) and is isolated as the OTf salt. It is the first completely substituted main group organometallic phosphonium derivative, and, in contrast to the more common tetraorganic‐substituted phosphonium cations is only stable in the solid state; in solution it functions as a masked Me 3 Sn + reagent. More about this chameleonlike ion and the N(SnMe 3 ) 4 cation homologue, which is equally dynamic in solution and has unusual long Sn−N bond lengths, is reported by M. Driess et al. on p. 3684 ff.