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Oxidation, Redox Disproportionation and Chain Termination Reactions Catalysed by the Pd‐561 Giant Cluster
Author(s) -
Kovtun Grigory,
Kameneva Tatiana,
Hladyi Serhy,
Starchevsky Mykhailo,
Pazdersky Yury,
Stolarov Igor,
Vargaftik Michael,
Moiseev Ilya
Publication year - 2002
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/1615-4169(200210)344:9<957::aid-adsc957>3.0.co;2-v
Subject(s) - chemistry , disproportionation , benzyl alcohol , benzaldehyde , redox , toluene , alcohol oxidation , catalysis , styrene , photochemistry , alcohol , medicinal chemistry , organic chemistry , copolymer , polymer
Redox disproportionation of benzyl alcohol to benzaldehyde and toluene catalysed by the Pd 561 phen 60 (OAc) 180 (phen=1,10‐phenanthroline) giant cluster 1 under anaerobic conditions was found, whereas in an O 2 atmosphere cluster 1 catalyses the oxidation of benzyl alcohol to benzaldehyde and inhibits further oxidation of the latter. A study of the AIBN‐initiated and non‐initiated oxidation of benzyl alcohol, sec ‐butyl alcohol and styrene in the presence of cluster 1 revealed that cluster 1 performs three functions in the oxidation reactions: 1) catalysis of polar oxidation of the substrates with O 2 , 2) termination of the chains of radical oxidation, and 3) catalysis of redox disproportionation.