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Title: Reduction of carbon monoxide. Past research summary

Abstract

Research programs for the year on the preparation, characterization, and reactions of binuclear tantalum complexes are described. All evidence to date suggest the following of these dimeric molecules: (1) the dimer does not break into monomers under mild conditions; (2) intermolecular hydride exchange is not negligible, but it is slow; (3) intermolecular non-ionic halide exchange is fast; (4) the ends of the dimers can rotate partially with respect to one another. The binuclear tantalum hydride complexes were found to react with carbon monoxide to give a molecule which is the only example of reduction of CO by a transition metal hydride to give a complex containing a CHO ligand. Isonitrides also reacted in a similar manner with dimeric tantalum hydride. (ATT)

Authors:
Publication Date:
Research Org.:
Massachusetts Inst. of Tech., Cambridge (USA)
Sponsoring Org.:
U.S. Department of Energy (USDOE)
OSTI Identifier:
5642912
Report Number(s):
DOE/ER/04949-1
ON: DE82007524
DOE Contract Number:  
AS02-78ER04949
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; CARBON MONOXIDE; REDUCTION; ISONITRILES; TANTALUM COMPLEXES; CHEMICAL PREPARATION; CHEMICAL REACTIONS; RESEARCH PROGRAMS; STRUCTURAL CHEMICAL ANALYSIS; NUCLEAR MAGNETIC RESONANCE; ORGANIC CHLORINE COMPOUNDS; CARBON COMPOUNDS; CARBON OXIDES; CARBONIC ACID DERIVATIVES; CHALCOGENIDES; COMPLEXES; MAGNETIC RESONANCE; ORGANIC COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; RESONANCE; SYNTHESIS; TRANSITION ELEMENT COMPLEXES; 400301-Organic Chemistry - Chemical & Physicochemical Properties - (-1987); 400201 - Chemical and Physicochemical Properties; 400301* - Organic Chemistry- Chemical & Physicochemical Properties- (-1987); 400201 - Chemical & Physicochemical Properties

Citation Formats

Schrock, R.R. Reduction of carbon monoxide. Past research summary. United States: N. p., 1981. Web. doi:10.2172/5642912.
Schrock, R.R. Reduction of carbon monoxide. Past research summary. United States. doi:10.2172/5642912.
Schrock, R.R. Thu . "Reduction of carbon monoxide. Past research summary". United States. doi:10.2172/5642912. https://www.osti.gov/servlets/purl/5642912.
@article{osti_5642912,
title = {Reduction of carbon monoxide. Past research summary},
author = {Schrock, R.R.},
abstractNote = {Research programs for the year on the preparation, characterization, and reactions of binuclear tantalum complexes are described. All evidence to date suggest the following of these dimeric molecules: (1) the dimer does not break into monomers under mild conditions; (2) intermolecular hydride exchange is not negligible, but it is slow; (3) intermolecular non-ionic halide exchange is fast; (4) the ends of the dimers can rotate partially with respect to one another. The binuclear tantalum hydride complexes were found to react with carbon monoxide to give a molecule which is the only example of reduction of CO by a transition metal hydride to give a complex containing a CHO ligand. Isonitrides also reacted in a similar manner with dimeric tantalum hydride. (ATT)},
doi = {10.2172/5642912},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Oct 01 00:00:00 EDT 1981},
month = {Thu Oct 01 00:00:00 EDT 1981}
}

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