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Recent advances in the synthetic chemistry of 1,5 ‐benzothiazepines : A minireview
Author(s) -
Devi Varsha,
Singh Gurpreet,
Monga Vikramdeep
Publication year - 2020
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.4062
Subject(s) - chemistry , combinatorial chemistry , antifungal , moiety , enantioselective synthesis , drug discovery , nanotechnology , organic chemistry , catalysis , biochemistry , medicine , materials science , dermatology
Benzothiazepine, a prominent “drug prejudice core”, is a heterocyclic moiety of immense importance due to its presence in a wide range of bioactive compounds. They act as a primary “biolinker” in diverse synthetic routes to obtain bioactive molecules and serve as important templates in synthetic and medicinal chemistry. They are known to possess a plethora of pharmacological activities, which include Ca 2+ channel blockers, CNS acting agents, anti‐HIV, ACE inhibitors, antimicrobial, antifungal, anticancer. Their promising behaviour as drug molecules led the scientific community to develop novel, mild, green, and highly efficient synthetic routes for their synthesis. The conventional synthesis generally involved the condensation of chalcones with 2‐aminothiophenol in the presence of acid/base with high‐temperature heating, mostly resulting in poor yields or mixtures. However, recent trends are replacing these conditions with mild and green conditions through organocatalysis or other methodologies. In this review, an attempt has been made by authors to summarize (a) Recent developments in the synthetic strategies of 1,5‐benzoathiazepines and its derivatives (b) Conventional methods for the synthesis of 1,5‐benzothiazepines including progress in the green chemistry routes (c) Applications of various metals and organocatalysts to achieve the enantioselective synthesis of title compounds.