Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Ahmed T. A. Boraei"'
Publikováno v:
ACS Omega, Vol 8, Iss 49, Pp 46922-46933 (2023)
Externí odkaz:
https://doaj.org/article/193242c981754290b9dfef7260a25cdf
Autor:
Eid E. Salama, Mohamed F. Youssef, Ahmed Aboelmagd, Ahmed T. A. Boraei, Mohamed S. Nafie, Matti Haukka, Assem Barakat, Ahmed A. M. Sarhan
Publikováno v:
Pharmaceuticals, Vol 16, Iss 12, p 1724 (2023)
According to data provided by the World Health Organization (WHO), a total of 2.3 million women across the globe received a diagnosis of breast cancer in the year 2020, and among these cases, 685,000 resulted in fatalities. As the incidence of breast
Externí odkaz:
https://doaj.org/article/aa3e43f9a4254fa0810e37d177fa1e37
Autor:
Ahmed A. M. Sarhan, Matti Haukka, Assem Barakat, Saied M. Soliman, Ahmed T. A. Boraei, Manar Sopaih, Eid E. Salama
Publikováno v:
Crystals, Vol 13, Iss 11, p 1537 (2023)
The synthesis of 4-methyl/phenyl-1,2,5,6-tetraazafluoranthen-3(2H)-one 4 and 7 has been reported with ninhydrin via a reaction first with ethyl acetoacetate or ethyl benzoylacetate and then a reaction of the resultant esters with hydrazine hydrate. T
Externí odkaz:
https://doaj.org/article/641a419da0224a2791c8768470d70adc
Autor:
Eid E. Salama, Mohamed F. Youssef, Ahmed T. A. Boraei, Matti Haukka, Saied M. Soliman, Assem Barakat, Ahmed A. M. Sarhan
Publikováno v:
Crystals, Vol 13, Iss 7, p 992 (2023)
The regiospecific S-benzylation/allylation of two 4-aryl-5-indolyl-1,2,4-triazole-3-thione precursors was carried out using Et3N as a base. Allyl group migration from exocyclic sulfur to the triazole nitrogen (N3) was successfully achieved in a short
Externí odkaz:
https://doaj.org/article/235ade72d7d540909ae4ea6d5ce0d00b
Autor:
Ahmed T. A. Boraei, Elsayed H. Eltamany, Matti Haukka, Saied M. Soliman, Assem Barakat, Manar Sopaih
Publikováno v:
Crystals, Vol 13, Iss 7, p 1036 (2023)
The hit compound 1,2,4-triazolo[4’,3’:2,3]pyridazino[4,5-b]indole 3 was synthesized from the reflux of 4-amino-5-indolyl-1,2,4-triazole-3-thione 1 with 4′-bromoacetophenone 2 in methanol catalyzed by concentrated HCl and the desired final molec
Externí odkaz:
https://doaj.org/article/5b5b6a0b4da54aa88dd3905d33b0130b
Autor:
Mezna Saleh Altowyan, Matti Haukka, Saied M. Soliman, Assem Barakat, Ahmed T. A. Boraei, Ahmed Aboelmagd
Publikováno v:
Crystals, Vol 13, Iss 5, p 797 (2023)
5-(1H-Indol-2-yl)-4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione 1a and 4-(4-chlorophenyl)-5-(1H-indol-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione 1b were galactosylated in the presence of NaHCO3 in ethanol to produce S-galactosides 3,4, whereas, i
Externí odkaz:
https://doaj.org/article/3de69957b2bc47a19c4b1e37d51ce9d0
Autor:
Mezna Saleh Altowyan, Matti Haukka, Saied M. Soliman, Assem Barakat, Saleh O. Alaswad, Ahmed T. A. Boraei, Emad M. Gad, Mohamed F. Youssef
Publikováno v:
Crystals, Vol 13, Iss 3, p 423 (2023)
The present synthetic strategy involves the synthesis of indolyl-triazolo-thiadiazole heterocyclic ring systems 8–13 from the condensation of 4-amino-5-(1H-indol-2-yl)-3H-1,2,4-triazole-3-thione 1 with the aromatic carboxylic acid derivatives 2–7
Externí odkaz:
https://doaj.org/article/096492ab00c24feb8e1656fc9cc136e5
Autor:
Mezna Saleh Altowyan, Matti Haukka, Saied M. Soliman, Assem Barakat, Ahmed T. A. Boraei, Manar Sopaih
Publikováno v:
Crystals, Vol 13, Iss 3, p 384 (2023)
The novel hydrazone-containing thieno[2,3-d]pyrimidine, namely, N′-(1,3-dioxo-1,3-dihydro-2H-inden-2-ylidene)-2-(4-oxo-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-3(4H)-yl)acetohydrazide 4 was synthesized in a very good yield from the reacti
Externí odkaz:
https://doaj.org/article/27a7de96c62e496aa6ac936ecc768cc3
Publikováno v:
ACS Omega, Vol 5, Iss 10, Pp 5436-5442 (2020)
Externí odkaz:
https://doaj.org/article/ff6b8c903de8440c94b6ca588da065cb
Publikováno v:
Crystals, Vol 12, Iss 3, p 353 (2022)
The alkylation of 3,5-dihydro-4H-pyridazino[4,5-b]indole-4-thione with benzyl bromide, ethyl chloroacetate, and allyl bromide in the presence of potassium carbonate (K2CO3) yielded new alkylsulfanylpyridazino[4,5-b]indole derivatives (i.e., compounds
Externí odkaz:
https://doaj.org/article/db6a86793d4a4eed97f80ad42456ca68