Volume 55, Issue 10 pp. 2342-2348
Article

Synthesis of Novel Bis(thiazolylchromen-2-one) Derivatives Linked to Alkyl Spacer via Phenoxy Group

Mohamed Hosny

Mohamed Hosny

Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt

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Mostafa E. Salem

Mostafa E. Salem

Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt

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Ahmed F. Darweesh

Ahmed F. Darweesh

Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt

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Ahmed H. M. Elwahy

Corresponding Author

Ahmed H. M. Elwahy

Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt

E-mail: [email protected]Search for more papers by this author
First published: 06 September 2018
Citations: 18

Abstract

A novel series of bis(thiazolylchromen-2-one) derivatives 8 were prepared in good yields by the reaction of the appropriate bis(α-bromoketones) 7 with 2-(1-(2-oxo-2H-chromen-3-yl)ethylidene) hydrazinecarbothioamide (6) in refluxing EtOH in the presence of few drops of TEA. Some other isomeric derivatives of bis(thiazolylchromen-2-one) 11 and 13 were also successfully obtained by the reaction of bromoacetylcoumarin 9 with the corresponding bis(ethan-1-yl-1-ylidene))bis(hydrazinecarbothioamides) 10 and 12. The structures of the new compounds were established based on elemental analyses as well as spectral data.

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