Philip S. Bryan | Researchain

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Journal of Coordination Chemistry | 1976

COPPER(II) COMPLEXES OF BIS-2,6-(METHYLTHIOMETHYL) PYRIDINE AND THE DITHIA(2,6)PYRIDINOPHANES

Philip S. Bryan; Earl Doomes

Abstract A series of tridentate macrocycles, the dithia(2,6)pyridinophanes, react with copper(II) to form five coordinate complexes of the form [Cu(tridentate)X2] where X=Cl−, Br−, or NCS−. Available evidence suggests that 2,9-dithia[10] (2,6)pyridinophane coordinates in a folded manner while it is uncertain whether 2,10-dithia[11](2,6)pyridinophane and 2,11-dithia[12](2,6)pyridinophane coordinate in a folded or a planar fashion. These geometries result from the presence of varying lengths of the non-coordinating methylene chain present in each macrocycle. The effect of the methylene bridge on the structure and stability of the various complexes is discussed. The acyclic analogue, bis-2,6(methylthiomethyl)pyridine, also forms pentacoordinate complexes of the type [Cu(tridentate)X2] as well as 2:1 ligand to metal complexes, [Cu(tridentate)2](BF4), Electronic spectra of the latter complex indicate that the copper(II) is in a slightly distorted octahedral environment in the solid state.

Inorganic Chemistry | 1972

MICROWAVE SPECTRA, STRUCTURES, AND DIPOLE MOMENTS OF TRIMETHYLPHOSPHINE-- BORANE AND METHYLPHOSPHINE--BORANE.

Philip S. Bryan; Robert L. Kuczkowski

Inorganic Chemistry | 1975

Synthesis and characterization of manganese complexes containing a synthetic macrocyclic ligand

Philip S. Bryan; James C. Dabrowiak

Inorganic Chemistry | 1975

Microwave spectra of trimethylamine-borane. Boron-nitrogen distance and molecular dipole moment

Patrick Cassoux; Robert L. Kuczkowski; Philip S. Bryan; Robert C. Taylor

Inorganic Chemistry | 1977

Accessibility of manganese oxidation states. Control by pentaaza macrocyclic ligands

James C. Dabrowiak; Laurence A. Nafie; Philip S. Bryan; Andrew T. Torkelson

Inorganic Chemistry | 1975

Transition metal complexes containing an optically active macrocyclic ligand. Manganese(III), nickel(II), and copper(II)

Philip S. Bryan; James C. Dabrowiak

Inorganic Chemistry | 1971

Microwave spectrum of trimethylamine-boron trifluoride. Boron-nitrogen distance

Robert L. Kuczkowski; Philip S. Bryan

Inorganic and Nuclear Chemistry Letters | 1977

Manganese(III) complexes containing synthetic macrocyclic ligands

Philip S. Bryan; Jeffrey M. Calvert

ChemInform | 1975

MICROWAVE SPECTRA OF TRIMETHYLAMINE-BORANE, THE BORON-NITROGEN DISTANCE AND MOLECULAR DIPOLE MOMENT

Patrick Cassoux; Robert L. Kuczkowski; Philip S. Bryan; Robert C. Taylor

Inorganic and Nuclear Chemistry Letters | 1977

Accessibility of manganese oxidation states. Manganese complexes with a pentadentate and a hexadentate ligand

Philip S. Bryan; Charles K. Stone

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