期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 36, 页码 14662-14665出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja306037w
关键词
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资金
- DOE [DE-FG02-97ER14807]
- Boulder Scientific
- OFS Fitel
- Herbert Deresiewicz Summer Research Fellowship
- Novartis
- Department of Energy Office of Science Graduate Fellowship Program (DOE SCGF)
- ORISE-ORAU [DE-AC05-06OR23100]
- U.S. Department of Energy (DOE) [DE-FG02-97ER14807] Funding Source: U.S. Department of Energy (DOE)
Under H-2, the radical cyclization of appropriate dienes can be catalyzed by cobaloximes. H center dot can be abstracted from an intermediate (presumably a cobalt: hydride) by trityl radicals (Ar3C center dot) or by TEMPO. The rate-determining step in these reactions is the uptake of H-2, which is second order in cobalt and first order in hydrogen; the third-order rate constant is 106(3) M-2.s(-1).
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