Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Otsuka Pharmaceutical Co Ltd
Original Assignee
Otsuka Pharmaceutical Co Ltd
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Filing date
Publication date
Application filed by Otsuka Pharmaceutical Co LtdfiledCriticalOtsuka Pharmaceutical Co Ltd
Priority to JP11044478ApriorityCriticalpatent/JPS5536445A/en
Publication of JPS5536445ApublicationCriticalpatent/JPS5536445A/en
Publication of JPS5761346B2publicationCriticalpatent/JPS5761346B2/ja
USE: Antithrombosis, anti-inflammatory, antiulcerative and antiasthamitic.
PREPARATION: β-Hydroxynaphthalene of formula 2 and a haloamide of formula 3 (X is Br, Cl, I) are subjected to dehydrohalogenation reaction to give the compound of formula 1. The compound of formula 2 is known, whereas the compound of formula 3 is novel, though partially known.