Redox-photosensitized reactions. XV. Photosensitized and direct photolytic isomerizations of the tetrahydro dimers of 1-benzylnicotinamide.

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概要

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• The photosensitization by either [ReBr(bpy)(CO)<SUB>3</SUB>] or [Ru(bpy)<SUB>3</SUB>]<SUP>2+</SUP> (bpy=2,2′-bipyridine) resulted in the isomerization of 1,1′dibenzyl-1,1′,4,4′-tetrahydro-4,4′-binicotinamide (<B>1</B>) and 1,1′-dibenzyl-1,1′-tetrahydro-4,6′-binicotinamide (<B>2</B>) to give a common mixture of <B>1</B>, <B>2</B>, and the diastereoisomer of <B>2</B> (<B>3</B>) in a 2:2:1 ratio at a photostationary state, while either direct photoexcitation or thermal activation effected only the isomerization of <B>2</B> to <B>1</B> but not at all the retro isomerization.

• 公益社団法人 日本化学会の論文

著者

• PAC Chyongjin

  Department of Chemistry, Toho University

• Ishitani Osamu

  Department Of Chemistry Graduate School Of Science And Engineering Tokyo Institute Of Technology

• Yanagida Shozo

  Department of Chemical Process Engineering, Faculty of Engineering, Osaka University

• Yanagida Shozo

  Department of Applied Chemistry, Faculty of Engineering, Osaka University

• Takamuku Setsuo

  Department of Chemical Process Engineering, Faculty of Engineering, Osaka University

• Pac Chyongjin

  Department of Chemical Process Engineering, Faculty of Engineering, Osaka University

• Ishitani Osamu

  Department of Chemical Process Engineering, Faculty of Engineering, Osaka University

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