Use this URL to cite or link to this record in EThOS: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.777220
Title: Studies on 1:2-dihydro-1-keto-2-thianaphalenes and the synthesis of gladiolic acid
Author: Brown, John Johnston
Awarding Body: University of Glasgow
Current Institution: University of Glasgow
Date of Award: 1954
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Abstract:
1.m-Opianic acid and 4:5-methylenedioxyphthalaldehydic acid have been prepared in good yield from m-meconin and 5:6-methylenedioxyphthalide respectively. 2. A new phthalide, 4:5-methylenedioxyphthalide, has been obtained from piperonylic acid. 3. Reaction of 1:2-dihydro-1-keto-6:7-dimethoxy-2-thianaphthalene-3-carboxylic acid and 1:2-dihydro-1-keto-6:7-methylenedioxy-2-thianaphthalene-3-carboxylic acid with Raney nickel gives 5:6-dimethoxyindam-1-one and 5:6-methylenedioxyindan-l-one respectively. 4. 5:6-Methylenedioxyindan-1-one has been obtained by the action of Raney nickel on hydrastal (6-vinylpiperonal). 5. A mechanism has been suggested for the conversion of 1:2-dihydro-1-keto-2-thianaphtlialenes into indanones using Raney nickel.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID: uk.bl.ethos.777220  DOI: Not available
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