Preconversion catalytic deoxygenation of phenolic functional groups. Quarterly technical progress report, January 1--March 30, 1996 and April 1--June 30, 1996

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Description

Over the course of his studies on catalytic deoxygenation of phenolic residues in coal by carbon monoxide, the author performed preliminary investigations into the removal of other heteroatom groups. This report describes his attempted carbonylation of phenyl amido complexes. These studies resulted in the surprisingly facile formation of amidines. The amidine group is the nitrogen analog of carboxylic acids and esters. This functional group combines the properties of an azomethane-like C=N double bond with an amide-like C-N single bond. This group, like the related allyl (C-C-C), aza-allyl (C-N-C), and carboxylato (O-C-O) groups, form a number of transition metal derivatives, with ... continued below

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28 p.

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Kubiak, C.P. May 1, 1997.

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Description

Over the course of his studies on catalytic deoxygenation of phenolic residues in coal by carbon monoxide, the author performed preliminary investigations into the removal of other heteroatom groups. This report describes his attempted carbonylation of phenyl amido complexes. These studies resulted in the surprisingly facile formation of amidines. The amidine group is the nitrogen analog of carboxylic acids and esters. This functional group combines the properties of an azomethane-like C=N double bond with an amide-like C-N single bond. This group, like the related allyl (C-C-C), aza-allyl (C-N-C), and carboxylato (O-C-O) groups, form a number of transition metal derivatives, with both early and late transition metals. Various bonding modes of the amidino group have been reported. However, most isolated complexes have the amidino ligand as a chelating ligand or bridging two metals. This is due to the preference of amidines to bond via the nitrogen lone pairs, in contrast to the {eta}{sup 3} {pi} bonding observed in metal-allyl complexes.

Physical Description

28 p.

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OSTI as DE97052399

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  • Other Information: PBD: [1997]

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  • Other: DE97052399
  • Report No.: DOE/PC/93208--T11
  • Grant Number: FG22-93PC93208
  • DOI: 10.2172/481950 | External Link
  • Office of Scientific & Technical Information Report Number: 481950
  • Archival Resource Key: ark:/67531/metadc675463

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  • May 1, 1997

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  • July 25, 2015, 2:21 a.m.

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  • Nov. 11, 2015, 12:35 p.m.

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Kubiak, C.P. Preconversion catalytic deoxygenation of phenolic functional groups. Quarterly technical progress report, January 1--March 30, 1996 and April 1--June 30, 1996, report, May 1, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc675463/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.