Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Craig A. Obafemi"'
Autor:
Craig A. Obafemi, Oluwaseun B. Adegbite, Olatomide A. Fadare, Ezekiel O. Iwalewa, Nusrat O. Omisore, Kayode Sanusi, Yusuf Yilmaz, Ümit Ceylan
Publikováno v:
Heliyon, Vol 7, Iss 1, Pp e05756- (2021)
Tryptanthrin is a potent natural alkaloid with good in vitro pharmacological properties. Herein, we report the synthesis of the compound via a new method involving the reduction of isatin with solid-state-supported sodium borohydride under microwave
Externí odkaz:
https://doaj.org/article/b18da7d655e14d7da58f0297d8cd78e7
Autor:
Lateefah M. Durosinmi, Olatomide A. Fadare, Kayode Sanusi, Yusuf Yilmaz, Umit Ceylan, Craig A. Obafemi
Publikováno v:
Heliyon, Vol 6, Iss 9, Pp e05022- (2020)
An attempt to synthesize thioparabanic acid as precursor to other fused heterocyclic compounds, by a microwave assisted multistep one-pot reaction yielded a co-crystal of N-carbamothioylacetamide (NCTA) and N,N′-thiocarbonyldiacetamide (NNTCA) whic
Externí odkaz:
https://doaj.org/article/90d9866ceea1458385bb4224f3a7f639
Autor:
Wolfgang Pfleiderer, Craig A. Obafemi
Publikováno v:
Molecules, Vol 9, Iss 4, Pp 223-231 (2004)
2,3-Dichloroquinoxaline and some of its derivatives have been reacted with malononitrile and ethyl cyanoacetate to yield a variety of 3-chloro-2-(cyanomethylene)- 1,2-dihydroquinoxaline derivatives. The reaction of 3-chloro-2-(dicyanomethylene)-1,2-
Externí odkaz:
https://doaj.org/article/1a5c962de3724fd882e2527cd61363ed
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 5, Pp o1508-o1509 (2012)
In the title compound, C22H24N2O2·H2O, the co-crystallized water molecule interacts with the N and O atoms of the molecule through Ow—H...N, Ow—H...O(methyl) and N—H...Ow hydrogen-bonding interactions. These hydrogen bonds, along with the inte
Externí odkaz:
https://doaj.org/article/266a4e50df1c4338a078ac92a2866205
Autor:
Craig A. Obafemi, Wolfgang Pfleiderer
Publikováno v:
Molbank, Vol 2006, Iss 6, p M510 (2006)
n/a
Externí odkaz:
https://doaj.org/article/1bbd24026f8d4102a25197836f5dce26
Publikováno v:
Molbank, Vol 2006, Iss 6, p M508 (2006)
n/a
Externí odkaz:
https://doaj.org/article/aa63df2c0559487793365a921556ec20
Autor:
Craig A. Obafemi, Wolfgang Pfleiderer
Publikováno v:
Molbank, Vol 2006, Iss 6, p M509 (2006)
n/a
Externí odkaz:
https://doaj.org/article/54310634b1944947972601c68839aa64
Publikováno v:
Journal of Applied Life Sciences International. :8-16
Some Sulfanoquinoxaline-2,3-diones hydrazone derivatives (1-8) were synthesized from the reactions of 2,3-dioxoquinoxaline-6-sulfonohydrazine with seven substituted benzaldehydes and acetophenone. All the synthesized compounds were biologically evalu
Publikováno v:
Journal of Pharmaceutical Research International. :194-201
Aims: To synthesize some phthalimides derivatives and evaluate the compounds for their possible biological properties. Methods: The substituted phenylisoindoline-1,3-dione were synthesized from the reactions of N-phenyl phthalimide with different sub
Publikováno v:
Journal of Pharmaceutical Research International. :116-132
Aims: This studies aims at the synthesis of new heterocyclic systems and study its biological and pharmacological properties. Objective: This study was designed to synthesized some quinoxaline-2,3-dione with sulfonamide moiety, characterize the synth