Unusual Inverse Temperature Dependence on Reaction Rate in the Asymmetric Autocatalytic Alkylation of Pyrimidyl Aldehydes
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- 作者：Michela Quaranta ; Timo Gehring ; Barbara Odell ; John M. Brown ; Donna G. Blackmond
- 刊名：Journal of the American Chemical Society
- 出版年：2010
- 出版时间：November 3, 2010
- 年：2010
- 卷：132
- 期：43
- 页码：15104-15107
- 全文大小：244K
- 年卷期：v.132,no.43(November 3, 2010)
- ISSN：1520-5126
文摘
Observations of an intriguing inverse temperature dependence on reaction rate and a profound induction period in the Soai autocatalytic reaction are reported along with detailed kinetic and NMR investigations of the product alkoxide at low temperatures, leading to the suggestion that the active catalyst is derived in situ from the tetrameric ground state.