JPH05339203
PURPOSE:To obtain a naphthalenedicarboxylic acid through suppressing the loss of a lower aliphatic carboxylic acid to be used as solvent. CONSTITUTION:The objective naphthalenedicarboxylic acid can be obtained by oxidation of a dialkylnaphthalene and/or an oxidized intermediate thereof using a molec...
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| creator | AOYANAGI MITSUHITO NAMATAME AKIO HASEGAWA HIDEO |
| description | PURPOSE:To obtain a naphthalenedicarboxylic acid through suppressing the loss of a lower aliphatic carboxylic acid to be used as solvent. CONSTITUTION:The objective naphthalenedicarboxylic acid can be obtained by oxidation of a dialkylnaphthalene and/or an oxidized intermediate thereof using a molecular oxygen-contg. gas in the presence of a catalyst composed of a heavy metal and bromine at 180-230 deg.C in a solvent being a lower aliphatic monocarboxylic acid containing 5-45wt.% of water at a concentration of the heavy metal in the solvent being set at >=0.1wt.%. |
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CONSTITUTION:The objective naphthalenedicarboxylic acid can be obtained by oxidation of a dialkylnaphthalene and/or an oxidized intermediate thereof using a molecular oxygen-contg. gas in the presence of a catalyst composed of a heavy metal and bromine at 180-230 deg.C in a solvent being a lower aliphatic monocarboxylic acid containing 5-45wt.% of water at a concentration of the heavy metal in the solvent being set at >=0.1wt.%.</description><edition>5</edition><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; APPARATUS THEREFOR ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; GENERAL METHODS OF ORGANIC CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1993</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19931221&DB=EPODOC&CC=JP&NR=H05339203A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19931221&DB=EPODOC&CC=JP&NR=H05339203A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AOYANAGI MITSUHITO</creatorcontrib><creatorcontrib>NAMATAME AKIO</creatorcontrib><creatorcontrib>HASEGAWA HIDEO</creatorcontrib><title>JPH05339203</title><description>PURPOSE:To obtain a naphthalenedicarboxylic acid through suppressing the loss of a lower aliphatic carboxylic acid to be used as solvent. 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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | JPH05339203 |
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