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Cyclodiphosphazanes with functionalities: synthesis, reactivity and transition metal chemistry

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Title Cyclodiphosphazanes with functionalities: synthesis, reactivity and transition metal chemistry
 
Creator BALAKRISHNA, MS
—
 
Subject cyclodiphosphazanes
donor functionalities
transition metal complexes
macrocycles
coordination polymers
bidentate ligands
structural-characterization
molecular-structures
heterometallic complexes
coordination chemistry
copper(i) coordination
reversible conversion
methylene insertion
macrocycle
crystal
cis-((o-meoc6h4o)p(mu-(nbu)-bu-t))(2)
 
Description The saturated, four-membered rings of the type [XP(mu-NR)] 2 containing alternating phosphorus(III) and nitrogen atoms are known as cyclodiphosphazanes or diazadiphosphetidines. The current interest in these well-known heterocycles is due to their catalytic and biological applications besides their excellent synthetic utility as scaffolds to design interesting macrocycles with or without involving main group or transition metals. Although the rigid and nearly-planar neutral P(2)N(2) rings resemble [Cu(mu-X)](2) (X = Cl, Br or I) rhombic units ([Cu(mu-X)](2) are known for giving a variety of structures with suitable ligands), their utility in designing the high-nuclearity clusters, cages or coordination polymers is scarce. In this context, we fine tuned the coordinating ability of these ligands by incorporating pendant hemi-labile functionalities on phosphorus centers which resulted in the isolation of several interesting molecules. The details are described. (C) 2009 Elsevier B. V. All rights reserved.
 
Publisher ELSEVIER SCIENCE SA
 
Date 2011-10-12T13:38:45Z
2011-12-15T09:16:09Z
2011-10-12T13:38:45Z
2011-12-15T09:16:09Z
2010
 
Type Review
 
Identifier JOURNAL OF ORGANOMETALLIC CHEMISTRY,695(7)925-936
0022-328X
http://dx.doi.org/10.1016/j.jorganchem.2009.11.024
http://dspace.library.iitb.ac.in/xmlui/handle/10054/13787
http://hdl.handle.net/100/3025
 
Language en