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Title: Selective aerobic alcohol oxidation method for conversion of lignin into simple aromatic compounds

Abstract

Described is a method to oxidize lignin or lignin sub-units. The method includes oxidation of secondary benzylic alcohol in the lignin or lignin sub-unit to a corresponding ketone in the presence of unprotected primarily aliphatic alcohol in the lignin or lignin sub-unit. The optimal catalyst system consists of HNO.sub.3 in combination with another Bronsted acid, in the absence of a metal-containing catalyst, thereby yielding a selectively oxidized lignin or lignin sub-unit. The method may be carried out in the presence or absence of additional reagents including TEMPO and TEMPO derivatives.

Inventors:
;
Issue Date:
Research Org.:
Wisconsin Alumni Research Foundation, Madison, WI (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1171655
Patent Number(s):
8969534
Application Number:
13/771,733
Assignee:
Wisconsin Alumni Research Foundataion (Madison, WI)
Patent Classifications (CPCs):
C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07G - COMPOUNDS OF UNKNOWN CONSTITUTION
DOE Contract Number:  
FC02-07ER64494
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Feb 20
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Stahl, Shannon S, and Rahimi, Alireza. Selective aerobic alcohol oxidation method for conversion of lignin into simple aromatic compounds. United States: N. p., 2015. Web.
Stahl, Shannon S, & Rahimi, Alireza. Selective aerobic alcohol oxidation method for conversion of lignin into simple aromatic compounds. United States.
Stahl, Shannon S, and Rahimi, Alireza. Tue . "Selective aerobic alcohol oxidation method for conversion of lignin into simple aromatic compounds". United States. https://www.osti.gov/servlets/purl/1171655.
@article{osti_1171655,
title = {Selective aerobic alcohol oxidation method for conversion of lignin into simple aromatic compounds},
author = {Stahl, Shannon S and Rahimi, Alireza},
abstractNote = {Described is a method to oxidize lignin or lignin sub-units. The method includes oxidation of secondary benzylic alcohol in the lignin or lignin sub-unit to a corresponding ketone in the presence of unprotected primarily aliphatic alcohol in the lignin or lignin sub-unit. The optimal catalyst system consists of HNO.sub.3 in combination with another Bronsted acid, in the absence of a metal-containing catalyst, thereby yielding a selectively oxidized lignin or lignin sub-unit. The method may be carried out in the presence or absence of additional reagents including TEMPO and TEMPO derivatives.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {3}
}

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