Zobrazeno 1 - 10
of 134
pro vyhledávání: '"Adel M. Kamal El-dean"'
Autor:
Amina A. Abozeed, Osama Younis, Ahmed F. Al-Hossainy, Nada Abd El-Mawla, Mostafa Sayed, Adel M. Kamal El-dean, Mahmoud S. Tolba
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-16 (2022)
Abstract We present here the FT-IR, DFT computation, XRD, optical, and photophysical characterization of a heterocyclic compound with thienopyrimidine and pyran moieties. TD-DFT/DMOl3 and TD-DFT/CASTEP computations were used to study the geometry of
Externí odkaz:
https://doaj.org/article/ea89523dbfc749d0b7366c47a197a9d6
Autor:
Osama Younis, Mostafa Sayed, Ahmed A.K. Mohammed, Mahmoud S. Tolba, Reda Hassanien, Adel M. Kamal El-Dean, Osamu Tsutsumi, Mostafa Ahmed
Publikováno v:
ACS Omega, Vol 7, Iss 17, Pp 15016-15026 (2022)
Externí odkaz:
https://doaj.org/article/7aa655bb6ce84edb92e578a7625f5e13
Autor:
Ahmed I. A. Soliman, Mostafa Sayed, Mahmoud M. Elshanawany, Osama Younis, Mostafa Ahmed, Adel M. Kamal El-Dean, Aboel-Magd A. Abdel-Wahab, Josef Wachtveitl, Markus Braun, Pedram Fatehi, Mahmoud S. Tolba
Publikováno v:
ACS Omega, Vol 7, Iss 12, Pp 10178-10186 (2022)
Externí odkaz:
https://doaj.org/article/7724ef91beb54750ba2fdf984f2ddabd
Autor:
Shaban A. A. Abdel-Raheem, Adel M. Kamal El-Dean, Mokhtar A. Abd ul-Malik, Reda Hassanien, Mohamed E. A. El-Sayed, Aly A. Abd-Ella, Sameh A. Zawam, Mahmoud S. Tolba
Publikováno v:
Current Chemistry Letters, Vol 11, Iss 1, Pp 23-28 (2022)
In examining for unique insecticidal agents, two derivatives namely, 2-((3-cyano-4,6-distyrylpyridin-2-yl)thio)-N-(4-nitrophenyl)acetamide (2) and 3-amino-N-(4-nitrophenyl)-4,6-distyrylthieno[2,3-b]pyridine-2-carboxamide (3) were synthesized from dis
Externí odkaz:
https://doaj.org/article/04ddd916f02240a1a2fec399410e61c6
Autor:
Mahmoud S. Tolba, Adel M. Kamal El-Dean, Mostafa Ahmed, Reda Hassanien, Mostafa Sayed, Remon M. Zaki, Shaaban K. Mohamed, Sameh A. Zawam, Shaban A. A. Abdel-Raheem
Publikováno v:
Current Chemistry Letters, Vol 11, Iss 1, Pp 121-138 (2022)
Pyrimidine compounds continue to attract great interest in the field of organic synthesis due to their various chemical and biological applications observed, especially in recent times. As a result, this review covering some periods from 1957 to 2021
Externí odkaz:
https://doaj.org/article/a510b69e721d4600bd23a2d5e722d3e6
Autor:
Mahmoud S. Tolba, Mokhtar A. Abd ul-Malik, Adel M. Kamal El-Dean, Ahmed A. Geies, Shaban M. Radwan, Remon M. Zaki, Mostafa Sayed, Shaaban K. Mohamed, Shaban A. A. Abdel-Raheem
Publikováno v:
Current Chemistry Letters, Vol 11, Iss 1, Pp 29-42 (2022)
Oxygen-containing heterocycles are largely distributed in natural and synthetic compounds. Coumarins are among the most famous heterocycles which possess one oxygen atom in their rings. Coumarins are classified as multifunctional scaffold and are use
Externí odkaz:
https://doaj.org/article/ced40c5da85f4d848bc788d42a880244
Autor:
Shaban A. A. Abdel-Raheem, Adel M. Kamal El-Dean, Mokhtar A. Abd ul-Malik, Aly A. Abd-Ella, Elham A. Al-Taifi, Reda Hassanien, Mohamed E. A. El-Sayed, Shaaban K. Mohamed, Sameh A. Zawam, Etify A. Bakhite
Publikováno v:
Current Chemistry Letters, Vol 10, Iss 4, Pp 337-362 (2021)
Different methods for the synthesis of pyridine derivatives as well as the chemical reactivity profiles and structures of these substances are reviewed. The utility of these compounds as precursors is emphasized in the synthesis of many heterocycles
Externí odkaz:
https://doaj.org/article/b79c759f5c5245cf879e16473d7dac95
Autor:
Mahmoud S. Tolba, Mostafa Sayed, Shaban A. A. Abdel-Raheem, Taher A. Gaber, Adel M. Kamal El-Dean, Mostafa Ahmed
Publikováno v:
Current Chemistry Letters, Vol 10, Iss 4, Pp 471-478 (2021)
Thiazolopyrimidnes are considered one of the most interesting classes in heterocyclic chemistry due to their pharmaceutical importance. Herein, we report the synthesis of some new heterocyclic compounds containing thiazolopyrimidine starting from com
Externí odkaz:
https://doaj.org/article/ca7a500fdbef42f484d14584da239323
Autor:
Mostafa Ahmed, Osama Younis, Esam A. Orabi, Ahmed M. Sayed, Adel M. Kamal El-Dean, Reda Hassanien, Rebecca L. Davis, Osamu Tsutsumi, Mahmoud S. Tolba
Publikováno v:
ACS Omega, Vol 5, Iss 46, Pp 29988-30000 (2020)
Externí odkaz:
https://doaj.org/article/5062db34b7444c519c2702b88e771da6
Autor:
Remon M. Zaki, Adel M. Kamal El-Dean, Shaban M. Radwan, Mohammed B. Alshammari, Asmaa S.A. Sayed
Publikováno v:
Arabian Journal of Chemistry, Vol 14, Iss 9, Pp 103318- (2021)
Herein, we describe the synthesis of novel piperidinyl thieno tetrahydroisoquinolines attached or fused to other new heterocycles. The diazotization of the previously synthesized pyrrolyl carbohydrazide 1 followed by several reactions with ethanol, a
Externí odkaz:
https://doaj.org/article/202c5d55a64e41fb84f55b729f95808f