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1. (WO1992010458) MANUFACTURE OF 2,6-HYDROXYNAPHTHOIC ACID
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/010458 International Application No.: PCT/US1991/007250
Publication Date: 25.06.1992 International Filing Date: 02.10.1991
IPC:
C07C 37/64 (2006.01) ,C07C 39/235 (2006.01) ,C07C 51/15 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
37
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
64
Preparation of O-metal compounds with the O-metal group linked to a carbon atom belonging to a six-membered aromatic ring
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
39
Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
235
Metal derivatives of a hydroxy group bound to a six-membered aromatic ring
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
51
Preparation of carboxylic acids or their salts, halides, or anhydrides
15
by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
Applicants:
ARISTECH CHEMICAL CORPORATION [US/US]; 600 Grant Street Pittsburgh, PA 15230-0250, US
Inventors:
PUGACH, Joseph; US
DeRussy, Donald, T.; US
Agent:
KRAYER, William, L.; Aristech Chemical Corporation Law Department 600 Grant Street Pittsburgh, PA 15230-0250, US
Priority Data:
629,32614.12.1990US
Title (EN) MANUFACTURE OF 2,6-HYDROXYNAPHTHOIC ACID
(FR) PRODUCTION D'ACIDE 2,6-HYDROXYNAPHTOIQUE
Abstract:
(EN) 2,6-Hydroxynaphthoic acid is made by reacting 2-naphthol with cesium or rubidium hydroxide to obtain cesium or rubidium naphthoxide, and reacting the naphthoxide with CO2 in the presence of cesium or rubidium carbonate.
(FR) On produit de l'acide 2,6-hydroxynaphthoïque en faisant réagir du 2-naphthol avec de l'hydroxyde de césium ou de rubidium afin d'obtenir du naphthoxyde de césium ou de rubidium et en faisant réagir ledit naphthoxyde avec du CO2 en présence de carbonate de césium ou de rubidium.
Designated States: CA, JP
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0515589JPH05503299CA2075707