Trichloromethylation and tert-butylation of 2,4-disubstituted thiophenes: Electrophilic substitution reactions with sterically hindered rearomatization stages

1997 ◽  
Vol 33 (11) ◽  
pp. 1276-1283 ◽  
Author(s):  
L. I. Belen'kii ◽  
G. P. Gromova ◽  
B. V. Lichitskii ◽  
M. M. Krayushkin
Keyword(s):  
Electrophilic Substitution ◽  
Substitution Reactions ◽  
Electrophilic Substitution Reactions ◽  
Sterically Hindered

Organotellurium compounds: an overview of synthetic methodologies

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Muhammad Irfan ◽  
Rabia Rehman ◽  
Mohd. R. Razali ◽  
Muhammad Adnan Iqbal ◽  
◽  
...  
Keyword(s):  
Material Science ◽  
Electrophilic Substitution ◽  
Comprehensive Understanding ◽  
Substitution Reactions ◽  
Current Review ◽  
Synthetic Routes ◽  
Electrophilic Substitution Reactions ◽  
Synthetic Methodologies ◽  
Organotellurium Compounds

AbstractIn wake of emerging applications of organotellurium compounds in biological and material science avenues, the current review describes their key synthetic methodologies while focusing the synthesis of organotellurium compounds through five ligand-to-metal linkages including carbon; carbon-oxygen; carbon-nitrogen; carbon-metal; carbon-sulfur to tellurium. In all of these linkages whether tellurium links with ligands through a complicated or simple pathways, it is often governed through electrophilic substitution reactions. The present study encompasses these major synthetic routes so as to acquire comprehensive understanding of synthetic organotellurium compounds.

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