Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Abdulghafoor A. Al-Turkistani"'
Autor:
Mohamed I. Attia, Ali A. El-Emam, Abdulghafoor A. Al-Turkistani, Amany L. Kansoh, Nasser R. El-Brollosy
Publikováno v:
Molecules, Vol 19, Iss 1, Pp 279-290 (2013)
5-Alkyl-6-(substituted benzyl)-2-thiouracils 3a,c were reacted with (2-chloroethyl) diethylamine hydrochloride to afford the corresponding 2-(2-diethylamino)ethylthiopyrimidin- 4(3H)-ones 4a,b. Reaction of 3a–c with N-(2-chloroethyl)pyrrolidine hyd
Externí odkaz:
https://doaj.org/article/e8986a0eefbb4f5d9c4a37aeda5d7919
Publikováno v:
Molecules, Vol 16, Iss 6, Pp 4764-4774 (2011)
6-Chloro-5-ethyl-, n-propyl- and isopropyluracils 5a-c were efficiently prepared from the corresponding 5-alkybarbituric acids 3a-c via treatment with phosphorus oxychloride and N,N-dimethylaniline to yield the corresponding 5-alkyl-2,4,6-trichloro-p
Externí odkaz:
https://doaj.org/article/60dc6b8641874d5e893dc22f1c950c99
Autor:
Ali A. El-Emam, Omar A. Al-Deeb, Abdulghafoor A. Al-Turkistani, Seik Weng Ng, Edward R. T. Tiekink
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp o2055-o2056 (2012)
In the title compound, C22H20ClN3S2, the S-bound benzene rings are inclined [dihedral angles = 78.13 (10) and 36.70 (9)°] with respect to the pyrimidine ring. The methylpropyl group occupies a position normal to the pyrimidine ring [N—C—C—C to
Externí odkaz:
https://doaj.org/article/1d100b11f7544b9c8f9caab186895d7b
Autor:
Edward R. T. Tiekink, Seik Weng Ng, Ali A. El-Emam, Abdulghafoor A. Al-Turkistani, Omar A. Al-Deeb
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 3, Pp o676-o677 (2012)
The title thiouracil derivative, C9H11N3OS, exists in the thione form. The six atoms comprising the ring are almost coplanar [r.m.s. deviation = 0.015 Å] and the 2-methylpropyl group lies approximately perpendicular to this plane [the N—C—C—C
Externí odkaz:
https://doaj.org/article/47c8e332a8284401997354f2b8e36a24
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp o347-o347 (2012)
The 1,2,4-triazine ring in the title compound, C14H15N3O3, is approximately planar (r.m.s. deviation = 0.019 Å); the C atom at the 6-position deviates by 0.026 (2) Å from the mean plane whereas the C atom at the 2-position deviates by 0.166 (4) Å
Externí odkaz:
https://doaj.org/article/3324b2ee29a04b088922cef7ccbdb1d8
Autor:
Ali A. El-Emam, Omar A. Al-Deeb, Abdulghafoor A. Al-Turkistani, Seik Weng Ng, Edward R. T. Tiekink
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 11, Pp o3126-o3126 (2011)
In the title pyrimidine derivative, C23H23N3S2, the phenylsulfanyl and benzylsulfanyl benzene rings are orientated away from the carbonitrile group and are twisted out of the plane of the central ring with dihedral angles of 77.66 (6) and 64.73 (5)°
Externí odkaz:
https://doaj.org/article/2b7f0d4ef1534c4d9516e4915b219d02
Autor:
Yusuf Sert, Abdulghafoor A. Al-Turkistani, Çağrı Çırak, Omar A. Al-Deeb, Ali A. El-Emam, Fatih Ucun
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 120:97-105
In this study, the experimental and theoretical vibrational frequencies of a newly synthesized potential chemotherapeutic agent namely, 6-(2-methylpropyl)-4-oxo-2-sulfanylidene-1,2,3,4-tetrahydropyrimidine-5-carbonitrile have been investigated. The e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aff4c3f3dafea88edf6b085067cff178
https://doi.org/10.1016/j.saa.2013.09.138
https://doi.org/10.1016/j.saa.2013.09.138
Autor:
Amany L. Kansoh, Abdulghafoor A. Al-Turkistani, Nasser R. El-Brollosy, Ali A. El-Emam, Mohamed I. Attia
Publikováno v:
Molecules, Vol 19, Iss 1, Pp 279-290 (2013)
Molecules; Volume 19; Issue 1; Pages: 279-290
Molecules
Molecules; Volume 19; Issue 1; Pages: 279-290
Molecules
5-Alkyl-6-(substituted benzyl)-2-thiouracils 3a,c were reacted with (2-chloroethyl) diethylamine hydrochloride to afford the corresponding 2-(2-diethylamino)ethylthiopyrimidin- 4(3H)-ones 4a,b. Reaction of 3a–c with N-(2-chloroethyl)pyrrolidine hyd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::741b38dac157ca8830b27f4f8cd3a33b
http://www.mdpi.com/1420-3049/19/1/279
http://www.mdpi.com/1420-3049/19/1/279
Autor:
Omar A. Al-Deeb, Ali A. El-Emam, El-Sayed E. Habib, Abdulghafoor A. Al-Turkistani, Ebtehal S. Al-Abdullah, Nasser R. El-Brollosy
Publikováno v:
hc. 19:411-419
The reaction of 6-(2-methylpropyl or 2-phenylpropyl)-2-thiouracil-5-carbonitriles (4a,b) with various arylmethyl halides, 2-bromoethyl methyl ether, benzyl chloromethyl ether, and 2-bromomethyl-5-nitrofuran in N,N-dimethylformamide or acetone yielded
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dce3951e9b7d5755c15039021b118bb
https://doi.org/10.1515/hc-2013-0139
https://doi.org/10.1515/hc-2013-0139
Autor:
Ebtehal S. Al-Abdullah, Ali A. El-Emam, Omar A. Al-Deeb, El-Sayed E. Habib, Nasser R. El-Brollosy, Abdulghafoor A. Al-Turkistani
Publikováno v:
Drug Research. 64:31-39
New series of 6-alkyl-2,4-disubstituted pyrimidine-5-carbonitriles namely, 6-alkyl-2-thiouracil-5-carbonitriles 4c,d, 6-alkyl-2-arylmethylsulfanyl-3,4-dihydro-4-oxopyrimidine-5-carbonitriles 5a-p, 6-alkyl-2-(2-methoxyethylsulfanyl)-3,4-dihydro-4-oxop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8114d605beb9d1e14137a233ff82a5cd
https://doi.org/10.1055/s-0033-1351315
https://doi.org/10.1055/s-0033-1351315