Výsledky vyhledávání - "Suliman M. El‐Sawaisi"

Studies on synthesis and reactions of some new five and six-membered heterocycles bearing 5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidin-4(3H)-ones skeleton

Autor: Hassan A. H. El-Sherief, Ahmed A. K. Mohammed, Ahmed El-Mahdy, Suliman M. El‐Sawaisi, Zeinab A. Hozien, Shimaa Abdelnaser

Publikováno v: Synthetic Communications. 51:3246-3260

Thienopyrimidine derivatives are well-known in various pharmaceutical and biomedical domains. In this work, a series of efficacious and novel strategies for the synthesis of thienopyrimidines start...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8fd29c59121082fd71d008eab2859589
https://doi.org/10.1080/00397911.2021.1936058

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Studies on the reaction of N ‐(3‐carbethoxy‐4,5,6,7‐tetrahydrobenzo[ b ]thien‐2‐yl)‐ N ′‐phenylthiourea with hydrazine hydrate (Part 1)

Autor: G. M. El-Naggar, Zeinab A. Hozien, Suliman M. El‐Sawaisi, Hassan A. H. El-Sherief

Publikováno v: Journal of Heterocyclic Chemistry. 45:467-473

The reaction of N-(3-carbethoxy-4,5,6,7-tetrahydrobenzo[b]thien-2-yl)-N′-phenylthiourea (1) with hydrazine hydrate in 1-butanol afforded a mixture of compounds 2, 3 and 4. Treatment of 3 and 4 with nitrous acid gave 6 and 8 respectively, while reac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e5bcecf18c3bc7bd15e928747a68ddb5
https://doi.org/10.1002/jhet.5570450226

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