CATALYST FOR DEGRADING LIGNIN, CATALYST FOR DEGRADING AROMATIC HYDROCARBON, AND PORPHYRIN

WIPO Patent Application WO/2010/018832

A1

A catalyst for degrading lignin and a catalyst for degrading an aromatic hydrocarbon, each of which contains a porphyrin.  A solution containing an alkali compound is added to lignin, a catalyst for degrading lignin is allowed to act on the resulting lignin-alkali compound solution as needed, which is irradiated with light as needed, or a catalyst for degrading lignin is allowed to act on lignin as needed, which is irradiated with light, whereby alcohols and organic acids are separated.  A degradation product generated when the alcohols and organic acids are separated is recovered, and also hydrogen ions are released.  A porphyrin having a catalytic function of converting lignin into alcohols and organic acids, a porphyrin having a catalytic function of degrading a compound containing an aromatic hydrocarbon in which an oxygen atom is bound to carbon which forms a benzene ring, or a porphyrin obtained by culturing Escherichia coli that cannot express a gene ypjD (b2611) due to mutation.

ISHIBASHI TORU (JP)

PCT/JP2009/064201

February 18, 2010

August 11, 2009

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FUKUTOME HIROFUMI (JP)
ISHIBASHI TORU (JP)

B01J31/02; C07C27/00; C07C29/00; C07C31/04; C07C51/00; C07C53/02; C07D487/22; C12P7/04; C07B61/00

JPH02503086A	1990-09-27
JP2002001295A	2002-01-08
JP2000144592A	2000-05-26
JP2000144592A	2000-05-26
JP2503086B2	1996-06-05
JPH05244937A	1993-09-24
JPH0591866A	1993-04-16

J. ORG. CHEM., vol. 164, no. 21, 1998, pages 7973 - 7982
See also references of EP 2332648A4

KURIHARA Hiroyuki et al. (JP)
Hiroyuki Kurihara (JP)

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