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Asian Journal of Research in Chemistry
Year : 2017, Volume : 10, Issue : 1
First page : ( 58) Last page : ( 68)
Print ISSN : 0974-4169. Online ISSN : 0974-4150.
Article DOI : 10.5958/0974-4150.2017.00011.6

Design, synthesis, structural elucidation and antimicrobial screening of novel 1, 5-benzothiazepine derivatives derived from thieno [3, 2-d] pyrimidine nucleus

Prabhakar Virupakshi1,*, Babu Kondra Sudhakar2, Ravindranath L.K.2, Latha J.3, Venkateswarlu B.4

1Faculty of Engineering Chemistry, SVR Engineering College, Jawaharlal Nehru Technological University-Ananthapuramu (JNTU-A), Nandyal, Pin 518502, Kurnool (Dist), Andhra Pradesh, India

2Department of Chemistry, Sri Krishnadevaraya University, Ananthapuramu, (A P), India

3Department of Environmental Science, Sri Krishnadevaraya University College of Engineering and Technology, S. K. University, Ananthapuramu-515003, (A.P.), India

4Faculty of Engineering Chemistry, PBR VITS, Jawaharlal Nehru Technological University (JNTU-A), Kavali, Nellore (Dist), (A.P.), India

*Corresponding Author E-mail: Virupakshi.prabhakar@gmail.com

Online published on 26 April, 2017.

Abstract

1, 5-Benzo Thiazepine is the Main Seven membered Heterocyclic ring systems reported for their cardiac and Psychotherapeutic activities.1, 5 Benzo Thiazepines were highlighted as important Biologically active Scaffolds. In This Article New series of benzo [b] [1, 5]-thiazepine derivatives 6 a-j were synthesized by applying the cyclo condensation of (E)-3-(thieno [3, 2-d] pyrimidin-6-yl)-1-p-Substituted prop-2-en-1-one derivatives 4a-j with 2amino thio phenol (5) in DMF. The new intermediate Chalcone derivatives 4a-j were obtained from interaction of various P-substituted Acetophenone & Heterocyclic Acetyl derivatives 3(a-j) and thieno[3, 2-d]pyrimidine-7carbaldehyde. The synthesized 1, 5-benzothiazepines 6a-j have been screened for their antimicrobial activity. From anti-bacterial and anti-fungal activity screening results, it has been observed that compounds 6h, 6e, 6i and 6d possess good activity.

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Keywords

Chalcones, 2-amino thio phenol, cyclisation, 1, 5-benzothiazepines, Anti-microbial activity, Thieno [3, 2-d] Pyrimidine core ring.

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