scholarly journals The role of photocatalysts in radical chains in homolytic aromatic substitution, radical addition to olefins, and nucleophilic radical substitution mechanisms

2020 ◽  
Vol 10 (15) ◽  
pp. 5113-5128 ◽  
Author(s):  
Damian E. Yerien ◽  
Sebastián Barata-Vallejo ◽  
Erwin W. Mora Flores ◽  
Al Postigo
Keyword(s):  
Radical Addition ◽  
Chain Termination ◽  
Aromatic Substitution ◽  
Homolytic Aromatic Substitution ◽  
Radical Substitution

Initiation, propagation and chain termination steps in oxidative and reductive quenching cycles for the photoinitiated perfluoroalkylation reaction of an olefin.

Construction of a 4H-pyrido[4,3,2-gh]phenanthridin-5(6H)-one skeleton via a catalyst-free radical cascade addition/cyclization using azo compounds as radical sources

2018 ◽  
Vol 5 (5) ◽  
pp. 793-796 ◽  
Author(s):  
Chen Zhang ◽  
Junxia Pi ◽  
Shu Chen ◽  
Ping Liu ◽  
Peipei Sun
Keyword(s):  
Free Radical ◽  
Cascade Reaction ◽  
Radical Addition ◽  
Azo Compounds ◽  
Aromatic Substitution ◽  
Catalyst Free ◽  
Homolytic Aromatic Substitution ◽  
Radical Cascade

The new radical addition/cyano insertion/homolytic aromatic substitution cascade reaction initiated by the thermal homolysis of azo compounds under catalyst-free conditions produced polycyclic phenanthridine derivatives.

scholarly journals Evidence of single electron transfer from the enolate anion of an N,N′-dialkyldiketopiperazine additive in BHAS coupling reactions

2017 ◽  
Vol 15 (41) ◽  
pp. 8810-8819 ◽  
Author(s):  
Katie J. Emery ◽  
Tell Tuttle ◽  
John A. Murphy
Keyword(s):  
Electron Transfer ◽  
Single Electron ◽  
Single Electron Transfer ◽  
Coupling Reactions ◽  
Aromatic Substitution ◽  
Substitution Reactions ◽  
Homolytic Aromatic Substitution ◽  
Enolate Anion

A designed N,N′-dialkyldiketopiperazine (DKP) provides evidence for the role of DKP additives as initiators that act by electron transfer in base-induced homolytic aromatic substitution reactions, involving coupling of haloarenes to arenes.

Reversibility of homolytic aromatic substitution: the reaction of p-xylene with phenyl radicals

1974 ◽  
pp. 987 ◽  
Author(s):  
Roberto Henriquez ◽  
Alistair R. Morgan ◽  
Peter Mulholland ◽  
Derek C. Nonhebel ◽  
George G. Smith
Keyword(s):  
Aromatic Substitution ◽  
Phenyl Radicals ◽  
Homolytic Aromatic Substitution

The role of the lifetimes of ion–neutral complexes in gas-phase electrophilic aromatic substitution

1998 ◽  
Vol 283 (5-6) ◽  
pp. 307-312 ◽  
Author(s):  
Massimiliano Aschi ◽  
Marina Attinà ◽  
Giuseppe D'Arcangelo
Keyword(s):  
Gas Phase ◽  
Electrophilic Aromatic Substitution ◽  
Aromatic Substitution
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