Title:
PROCESS FOR PREPARING DIHYDROXYNAPHTHALENE
Document Type and Number:
WIPO Patent Application WO/1988/009781
Kind Code:
A1
Abstract:
This invention relates to a process for preparing dihydroxynaphthalene which comprises hydrolyzing diacyloxynaphthalene in a solvent containing water in the presence of an acid catalyst. Since an acid is used as a catalyst for the hydrolysis, it is possible to prepare dihydroxynaphthalene having a high purity in a high yield.
Inventors:
YASUDA MASAAKI (JP)
MIKI HISAYA (JP)
MIKI HISAYA (JP)
Application Number:
PCT/JP1988/000555
Publication Date:
December 15, 1988
Filing Date:
June 09, 1988
Export Citation:
Assignee:
MITSUI PETROCHEMICAL IND (JP)
International Classes:
B01J27/02; B01J27/06; B01J27/138; B01J31/04; C07B61/00; C07C27/00; C07C37/055; C07C39/14; C07C67/00; C07C67/055; C07C409/08; (IPC1-7): C07C39/14; C07C37/055
Foreign References:
| JPS43217B1 | ||||
| JPS5883646A | 1983-05-19 | |||
| DE2747956A1 | 1979-05-03 |
Other References:
See also references of EP 0318591A4
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