Syntheses of 3,5-dimethylspiro[5.5]undeca-2,4-diene-1,8-dione and 7,11-dimethylspiro[5.5]undeca-7,10-diene-2,9-dione.
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概要
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Syntheses of 1-diazo-5-(2-hydroxy-4,6-dimethylphenyl)-2-pentanone and 1-diazo-5-(4-hydroxy-2,6-dimethylphenyl)-2-pentanone and their acid catalysed spiroannulation to 3,5-dimethylspiro[5.5]undeca-2,4-diene-1,8-dione and 7,11-dimethylspiro[5.5]undeca-7,10-diene-2,9-dione respectively <I>via</I> Ar<SUB>1</SUB>-6 participation are described. Succinylation of 3,5-dimethylanisole is also discussed.
- 公益社団法人 日本化学会の論文
著者
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Bhattagharya Kalyan
Department of Chemistry, Presidency College
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Sen Parimal
Department of Chemistry, Presidency College