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. 2023 Jan 24;38(1):2166036. doi: 10.1080/14756366.2023.2166036

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© 2023 Jouf University. Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Scheme 3. — Synthesis of benzothiazole/cyanothiouracil hybrids 8a–d; reagents and conditions: (i) EtOH, K₂CO₃, reflux 12 h and (ii) acetone, K₂CO₃, reflux overnight.