Kinetic studies of intramolecular additions of alkyl radicals onto imines

S Kim, KS Yoon, YS Kim - Tetrahedron, 1997 - Elsevier
… began our kinetic studies to determine rate constants for cyclization of alkyl radicals onto
C=… of the hydrazone was higher than that of the imine as predicted. It is anticipated that the …

Radicals masquerading as electrophiles: a computational study of the intramolecular addition reactions of acyl radicals to imines

H Matsubara, CT Falzon, I Ryu… - Organic & Biomolecular …, 2006 - pubs.rsc.org
addition onto carbon–nitrogen double-bonds typically involve alkyl radicals and, to a lesser,
extent vinyl radicals… is still favoured slightly from a kinetic perspective. However, with a …

Radical addition to iminium ions and cationic heterocycles

J Tauber, D Imbri, T Opatz - Molecules, 2014 - mdpi.com
… and tertiary alkyl radicals in which the relative kinetic preference … in the last decades, radical
additions to imines have been … Intramolecular attack from radicals to imines is a synthetically …

Reactive ketimino radical acceptors: Intermolecular alkyl radical addition to imines with a phenolic hydroxyl group

H Miyabe, Y Yamaoka, Y Takemoto - The Journal of Organic …, 2006 - ACS Publications
… to achieve the intermolecular radical addition to 1. 9b,d,e More recently, we reported that
electron-deficient N-sulfonyl imine 3 exhibits an excellent reactivity and the radical addition to 3 …

Recent Advances in Catalytic and Technology-Driven Radical Addition to N,N-Disubstituted Iminium Species

S Oudeyer, V Levacher, H Beucher, JF Brière - Molecules, 2023 - mdpi.com
… formal addition reaction to imines through radical processes … performed under an inter- or
intramolecular fashion [13]. The … developed an oxidative kinetic resolution reaction using chiral …

Radical cyclizations by intramolecular additions

JM Surzur - Reactive Intermediates: Volume 2, 1982 - Springer
… regular variations of preexponential factors for the intermolecular addition of alkyl radicals
to … In fact, according to recent kinetic studies, cyclization of a secondary radical would be …

Addition of carbon-centered radicals to imines and related compounds

GK Friestad - Tetrahedron, 2001 - Elsevier
… in radical cyclizations to CN bonds, and intermolecular … Unfortunately, since the relevant
kinetic data are mostly … from a practical viewpoint, alkyl radical additions to alkenes are …

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
imine acceptors have received increased scrutiny. Earlier we reported our results of a radical
… the extensive literature containing kinetic information on free radical additions onto carbon−…

Radical cascades initiated by intermolecular radical addition to alkynes and related triple bond systems

U Wille - Chemical reviews, 2013 - ACS Publications
… The addition of nucleophilic C-centered alkyl radicals to … kinetic studies are clearly required
to obtain full insight into … (radical) and HOMO (imine), which is the actual radical cyclization, to …

Recent developments in nucleophilic radical addition to imines: The key role of transition metals and the new Porta radical-type version of the Mannich and Strecker …

N Pastori, C Gambarotti, C Punta - Mini-Reviews in Organic …, 2009 - ingentaconnect.com
alkyl radical adds to the C-atom of the imine formed in situ and activated towards nucleophilic
radical addition … that the Porta-type intermolecular addition of carbon radicals is indeed …