Dixopyrrolines. XLV. : [2+2] photocycloaddition of 4-Ethoxycarbonyl-5-aryl-1H-pyrrole-2,3-dione to Cyclopentene Derivatives : Formation of Dihydropyridones

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概要

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• Photocycloaddition reactions of 4-ethoxycarbonyl-5-aryl-1H-pyrrole-2,3-dione (1) with cyclopentadiene, indene, and cyclopentene gave the dihydropyridones 8,11,and 12 as major products, respectively. Formation of them can be rationalized by assuming the formation of a 2s + 2a adduct predicted by the stereoselection rule and subsequent skeletal rearrangement. The stereochemical results seem to support the hypothesis that the donor-acceptor interaction as theoretically deduced by Epiotis plays an important role in determining the stereochemical pathway of photocycloaddition.

• 公益社団法人日本薬学会の論文
• 1990-02-25

著者

• 津田 喜典

  Faculty of Pharmaceutical Sciences, Kanazawa University

• 津田 喜典

  Faculty Of Pharmaceutical Sciences Kanazawa University

• 佐野 武弘

  Showa College of Pharmaceutical Sciences.

• 堀口 よし江

  昭和薬大

• 津田 喜典

  金沢大薬

• 堀口 よし江

  Showa College of Pharmaceutical Sciences

• 今福 一江

  Showa College of Pharmaceutical Sciences

• 佐野 武弘

  Showa Pharmaceutical Univ. Tokyo Jpn

• 佐野 武弘

  Showa College Of Pharmaceutical Sciences

• 堀口 よし江

  Showa College Of Pharmaceutical Sciences University Of Kanazawa

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