Free-radical fragmentation reactions of biomolecules involving C-C, C-O and C-N bond cleavage

2018 ◽  
Vol 120 ◽  
pp. S55
Author(s):  
O.I. Shadyro
Keyword(s):  
Free Radical ◽  
Bond Cleavage ◽  
Radical Fragmentation ◽  
Fragmentation Reactions

Free-radical anti-Markovnikov hydroalkylation of unactivated alkenes with simple alkanes

2018 ◽  
Vol 20 (15) ◽  
pp. 3432-3435 ◽  
Author(s):  
Yunfei Tian ◽  
Anbo Ling ◽  
Ren Fang ◽  
Ren Xiang Tan ◽  
Zhong-Quan Liu
Keyword(s):  
Free Radical ◽  
Functional Group ◽  
Bond Cleavage ◽  
Site Selectivity ◽  
High Site

A Cu(ii)-mediated radical anti-Markovnikov hydroalkylation of unactivated alkenes with simple alkanes via selective C(sp3)–H bond cleavage was achieved. This reaction features high site-selectivity, diverse functional group tolerance, and scalability.

The 2H+/2e− free radical scavenging mechanisms of uric acid: thermodynamics of NH bond cleavage

2016 ◽  
Vol 1077 ◽  
pp. 2-10 ◽  
Author(s):  
Ana Amić ◽  
Zoran Marković ◽  
Jasmina M. Dimitrić Marković ◽  
Bono Lučić ◽  
Višnja Stepanić ◽  
...  
Keyword(s):  
Uric Acid ◽  
Free Radical ◽  
Bond Cleavage ◽  
Radical Scavenging ◽  
Free Radical Scavenging

Free radical fragmentation of derivatives of [2 + 2] photoadducts

1990 ◽  
Vol 31 (42) ◽  
pp. 5985-5988 ◽  
Author(s):  
Gordon L Lange ◽  
Christine Gottardo
Keyword(s):  
Free Radical ◽  
Radical Fragmentation ◽  
Derivatives Of

Metal-Free C=C Double Bond Cleavage on Enaminones for the Synthesis of α-Ketoamides by Free-Radical Aerobic Oxygenation

2019 ◽  
Vol 2019 (27) ◽  
pp. 4422-4425 ◽  
Author(s):  
Yiming Yang ◽  
Guofeng Zhong ◽  
Junfen Fan ◽  
Yunyun Liu
Keyword(s):  
Free Radical ◽  
Double Bond ◽  
Bond Cleavage ◽  
Metal Free

Total synthesis of isodeoxypodophyllotoxin using the Me3Sn radical initiated carbocyclization

1996 ◽  
Vol 74 (10) ◽  
pp. 1880-1888 ◽  
Author(s):  
Stephen Hanessian ◽  
Sacha Ninkovic
Keyword(s):  
Free Radical ◽  
Total Synthesis ◽  
Key Words ◽  
Bond Cleavage ◽  
Target Structure ◽  
Key Words Free Radical

The lactone portion of the podophylotoxin framework was assembled from a free-radical carbocyclization reaction, and the target structure was constructed based on intramolecular Friedel–Crafts reaction. In addition to isodeoxypodophyllotoxin, there were formed unusual tri- and tetracyclic compounds. Key words: free-radical carbocyclization, C—Sn bond cleavage, podophyllotoxin analog.

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