Quenching of singlet oxygen by tertiary aliphatic amines. Structural effects on rates and products
E Baciocchi, T Del Giacco, A Lapi
Index: Baciocchi, Enrico; Del Giacco, Tiziana; Lapi, Andrea Helvetica Chimica Acta, 2006 , vol. 89, # 10 p. 2273 - 2280
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Citation Number: 8
Abstract
Abstract A kinetic and product study of the reaction of a series of α-methyl-substituted N- methylpiperidines with thermally generated 1 O 2 in MeCN was carried out. It was found that as the number of α-methyl groups (Me in α-position relative to the N-atom) increases, the rate of 1 O 2 quenching (physical plus chemical) slightly decreases. This finding shows that, with respect to the reaction rate, steric effects are much more important than electronic ...
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