نمایش مختصر رکورد

dc.date.accessioned1399-07-09T01:18:10Zfa_IR
dc.date.accessioned2020-09-30T01:18:10Z
dc.date.available1399-07-09T01:18:10Zfa_IR
dc.date.available2020-09-30T01:18:10Z
dc.date.issued1996-03-01en_US
dc.date.issued1374-12-11fa_IR
dc.identifier.citation(1996). " BISCYCLISATION" SYNTHESIS OF 1,8-DIHYDROXY-9, 1 0- ANTHRAQUINONE (1,8-DHA). Journal of Sciences, Islamic Republic of Iran, 7(1)en_US
dc.identifier.issn1016-1104
dc.identifier.issn2345-6914
dc.identifier.urihttps://jsciences.ut.ac.ir/article_31107.html
dc.identifier.urihttps://iranjournals.nlai.ir/handle/123456789/196275
dc.description.abstractThe synthetic route in this work is based on the classical Friedel-Crafts strategy, and began with 1,4-dimethoxybenzene (I), followed by alkylation and selective demethylation of 2-methoxy function in 0x0-acid (3). The orthoformylation to synthesize aldehyde (6) was based on the Reimer-Tieman reaction. Chain extension of this aldehyde required methylation of the hydroxyl group and condensation with pyruvic acid which afforded acid (8) in 85% yield. Two steps reduction process of this acid led to diacid (1 1) in good yield. A direct "biscylisation" of (1 1) afforded diketone (12) as the main product. This compound was converted to (1,8-DHA), 15, via an aromatization processen_US
dc.format.extent685
dc.format.mimetypeapplication/pdf
dc.languageEnglish
dc.language.isoen_US
dc.publisherUniversity of Tehranen_US
dc.relation.ispartofJournal of Sciences, Islamic Republic of Iranen_US
dc.title" BISCYCLISATION" SYNTHESIS OF 1,8-DIHYDROXY-9, 1 0- ANTHRAQUINONE (1,8-DHA)en_US
dc.typeTexten_US
dc.citation.volume7
dc.citation.issue1


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