Rate constants for 5-exo secondary alkyl radical cyclizations onto hydrazones and oxime ethers via intramolecular competition experiments

P Tauh, AG Fallis - The Journal of Organic Chemistry, 1999 - ACS Publications
The kinetics for the 5-exo cyclizations of secondary radicals onto various imine acceptors
(aryl-, alkyl-, and benzoylhydrazones, oxime ethers, etc.) have been determined. The rate …
被引用次数：37 相关文章 所有 4 个版本

Rate constants for 5-and 6-exo secondary alkyl radical cyclizations onto N, N-diphenylhydrazones

CF Sturino, AG Fallis - The Journal of Organic Chemistry, 1994 - ACS Publications
Competitive “radical clock”-type cyclizations of hydrazones and alkenes established that the
rate constants for 5-exo cyclizations onto-diphenylhydra-zones are 1.1 x 10® s-1 and 4.6 x …
被引用次数：83 相关文章 所有 3 个版本

Approximate rate constants for cyclizations of alkyl radicals onto benzyl oxime ethers

S Kim, Y Kim, KS Yoon - Tetrahedron letters, 1997 - Elsevier
The approximate rate constants for 5-exo and 6-exo cyclizations of alkyl radicals onto oxime
ethers have been kinetically determined to be 4.2× 107 s− 1 and 2.4× 106 s− 1 at 80° C …
被引用次数：32 相关文章 所有 4 个版本

Kinetic studies of intramolecular additions of alkyl radicals onto imines

S Kim, KS Yoon, YS Kim - Tetrahedron, 1997 - Elsevier
The approximate rate constants for 5-exo and 6-exo cyclizations of alkyl radicals onto imines
have been kinetically determined to be 6.0× 106 s− 1 and 6.7× 105 st-1 at 80° C …
被引用次数：53 相关文章 所有 6 个版本

Approximate rate constants for 5-exo and 6-exo cyclizations of alkyl radicals to N-aziridinyl imines

S Kim, JH Cheong, KS Yoon - Tetrahedron letters, 1995 - Elsevier
Kinetic and competition studies establish that the rate constant for 6-exo cyclizations of alkyl
radicals to N-aziridinyl imines is approximately 4.7× 106 s− 1 at 80° C, whereas competition …
被引用次数：35 相关文章 所有 5 个版本

Direct Measurements of the Kinetics of 3-exo Radical Cyclizations Using Radical Reporter Groups

E Furxhi, JH Horner, M Newcomb - The Journal of Organic …, 1999 - ACS Publications
The E and Z isomers of the 4-(2, 2-diphenylcyclopropyl)-3-butenyl radical (1), produced by
laser flash photolysis of the corresponding PTOC esters in THF, cyclized to the (2, 2 …
被引用次数：23 相关文章 所有 2 个版本

Rate constants for aryl radical cyclization to aldimines: synthesis of tetrahydroisoquinolines by fast 6-endo closures to carbon

MJ Tomaszewski, J Warkentin - Tetrahedron letters, 1992 - Elsevier
Rate Constants for Aryl Radical Cyclization to Aldimines: Synthesis of Tetrahydroisoquinolines
by Fast 6-Endo Closures to Carbon Page 1 Te~ahedmn Letters. Vol. 33. No. 16, pp …
被引用次数：80 相关文章 所有 4 个版本

Cyclization of 5-hexenyl radicals

C Walling, A Cioffari - Journal of the American Chemical Society, 1972 - ACS Publications
The 5-hexenyl radical and its five 1-and 5-methyl-substituted derivatives have been
generated by the radical chain reaction of the appropriate bromide and tributyl-or …
被引用次数：174 相关文章 所有 4 个版本

α-Ethoxycarbonyl and α-methoxy substituted radical clocks

M Newcomb, MA Filipkowski, CC Johnson - Tetrahedron letters, 1995 - Elsevier
α-Ethoxycarbonyl and α-methoxy substituted radical clocks - ScienceDirect Skip to main
contentSkip to article Elsevier logo Journals & Books Search RegisterSign in View PDF …
被引用次数：36 相关文章 所有 3 个版本

Effect of substituents on ring size in radical cyclizations. 1. Methyl vs. phenyl

TW Smith, GB Butler - The Journal of Organic Chemistry, 1978 - ACS Publications
Mechanisms in cyclizationof radicals (eg, those involved in cyclopolymerization of 1, 6-
dienes) havebeen exam-ined. The products obtainedfrom the reactions of tributyltin hydride …
被引用次数：57 相关文章 所有 4 个版本