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- Title
Highly Diastereoselective Synthesis of Dihydro‐benzoimidazo‐[1,3]‐thiazines via Electro‐oxidative Selenocyclization of Thioallyl Benzoimidazoles.
- Authors
Halder, Atreyee; Mahanty, Kingshuk; Maiti, Debabrata; De Sarkar, Suman
- Abstract
The current methodology reveals a green and proficient electro‐oxidative tandem selenocyclization of thioallyl benzoimidazoles manufacturing selenylated dihydro‐benzoimidazo‐thiazine derivatives. Both C−Se and C−N bond formation were achieved via this mild protocol which exhibits good functional group tolerability affording an extensive range of substrate scope up to 96% isolated yields. Complete control over the regioselective formation of the six‐membered heterocycle and stereoselective construction of the contiguous stereocenters was established. The practical electrochemical method operates in an undivided cell at ambient temperature without using any metal and external chemical oxidant.
- Subjects
FUNCTIONAL groups; OXIDIZING agents
- Publication
Chemistry - An Asian Journal, 2021, Vol 16, Issue 23, p3895
- ISSN
1861-4728
- Publication type
Article
- DOI
10.1002/asia.202101033