Making mercury-photosensitized dehydrodimerization into an organic synthetic method. Vapor-pressure selectivity and the behavior of functionalized substrates

SH Brown, RH Crabtree

文献索引：Brown, Stephen H.; Crabtree, Robert H. Journal of the American Chemical Society, 1989 , vol. 111, # 8 p. 2935 - 2946

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被引用次数: 53

摘要

Abstract: Mercury-photosensitized dehydrodimerization in the vapor phase can be made synthetically useful by taking advantage of a simple reflux apparatus (Figure l), in which the products promptly condense and are protected from further conversion. This vapor pressure selectivity gives high chemical selectivity even at high conversion and on a multigram scale. Mercury absorbs 254-nm light to give the'P, excited state (Hg*), which homolyses a CH ...

~97%

~46%

~22%

~88%

~31%

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~12%

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~27%

~34%

~2%

~13%

~30%

~41%

~63%

~30%

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~38%

~65%

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~84%

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LICHENS RARES OU NOUVEAUX POUR LA BELGIQUE, recueillis penda...

[Kling Bulletin de la Societe Chimique de France, 1905 , vol. <3>33, p. 326 Bulletin de la Societe Chimique de France, 1906 , vol. <3>35, p. 211 Full Text Show Details Kling Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1905 , vol. 140, p. 314,1345 Annales de Chimie (Cachan, France), 1905 , vol. <8>5, p. 545]

NHC Catalyzed Transformation of Aromatic Aldehydes to Acids ...

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