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[8,8‐ η 2 ‐{ η 2 ‐(BH 3 )Ph 2 PCH 2 PPh 2 }‐ nido ‐8,7‐RhSB 9 H 10 ]: A Rhodathiaborane with a Novel Bidentate Chelating Ligand
Author(s) -
Macías Ramón,
Rath Nigam P.,
Barton Lawrence
Publication year - 1999
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/(sici)1521-3773(19990115)38:1/2<162::aid-anie162>3.0.co;2-u
Subject(s) - moiety , denticity , borane , chemistry , ligand (biochemistry) , chelation , medicinal chemistry , stereochemistry , crystal structure , crystallography , organic chemistry , receptor , catalysis , biochemistry
A unique bidentate phosphane/borane ligand is present in 2 , which is formed by treatment of the rhodathiaborane 1 with BH 3 ⋅THF [Eq. (1)]. Compound 1 was prepared by the reaction of the unsaturated cluster [8,8‐(PPh 3 ) 2 ‐ nido ‐8,7‐RhSB 9 H 10 ] with bis(diphenylphosphanyl)methane (dppm). The dppm–BH 3 ligand in 2 coordinates to the Rh center through a P atom and a BH 3 moiety, the latter by two bridging B‐H‐Rh bonds.