Studies on Vinyl Acetals. IV:Some reactions of vinyl acetals

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概要

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• The behaviors of the oxo-reaction of vinyl acetal, the dealcoholization and the reaction with ammonia have been investigated.(1) In the oxo-reaction, the aldehyde group was introduced at the terminal of the chain to give a product having a skeleton of glutaraldehyde but the product was not in a pure form as it was accompanied with cyclization and disproportionation Acetalization treatment for simplification of this procedure gave glutaraldehyde bisacetal as a main product or the cyclization gave 2, 6-dialkoxytetrahydropyran as amain product.(2) The vapor phase dealcoholization reaction from use of BaO-SiO<SUB>2</SUB> catalyst caused the liberation of one molecule of alcohol and gave 1-alkoxybutadiene with high yield.(3) The reaction with ammonia in the presence of aqueous ammonia rammonium acetate catalyst or anhydrous ammonia Nieuwland catalyst (Cu<SUB>2</SUB>Cl<SUB>2</SUB>-NH<SUB>4</SUB>Cl) gave 2-methyl-5-ethylpyridine.

• 社団法人 有機合成化学協会の論文

著者

• 服部 三郎

  三菱化成工業(株)研究所

• 皆川 竜也

  三菱化成工業株式会社研究所

• 服部 三郎

  三菱化成工業株式会社研究所

• 湯沢 淳雄

  三菱化成工業株式会社研究所

関連論文

• ビニルアセタールの研究
• Studies on Vinyl Acetals. III:Addition reaction to vinyl acetals
• Studies on Vinyl acetals. II:Oxidation of Vinyl acetals
• Studies on Vinyl Acetals. IV:Some reactions of vinyl acetals

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