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Articles 1 - 5 of 5
Full-Text Articles in Medical Biochemistry
Click Chemistry Inspired One-Pot Synthesis Of 1, 4-Disubstituted 1, 2, 3-Triazoles And Their Src Kinase Inhibitory Activity, Dalip Kumar, V. Buchi Reddy, Anil Kumar, Deendayal Mandal, Rakesh Tiwari, Keykavous Parang
Click Chemistry Inspired One-Pot Synthesis Of 1, 4-Disubstituted 1, 2, 3-Triazoles And Their Src Kinase Inhibitory Activity, Dalip Kumar, V. Buchi Reddy, Anil Kumar, Deendayal Mandal, Rakesh Tiwari, Keykavous Parang
Pharmacy Faculty Articles and Research
Two classes of 1,4-disubstituted 1,2,3-triazoles were synthesized using one-pot reaction of α-tosyloxy ketones/α-halo ketones, sodium azide, and terminal alkynes in the presence of aq. PEG (1:1, v/v) using the click chemistry approach and evaluated for Src kinase inhibitory activity. Structure-activity relationship analysis demonstrated that insertion of C6H5- and 4-CH3C6H4- at position 4 for both classes and less bulkier aromatic group at position 1 in class 1 contribute critically to the modest Src inhibition activity (IC50 = 32-43 µM) of 1,4-disubstituted 1,2,3-triazoles.
Thiazolyl N-Benzyl-Substituted Acetamide Derivatives: Synthesis, Src Kinase Inhibitory And Anticancer Activities, Asal Fallah-Tafti, Alireza Foroumadi, Rakesh Tiwari, Amir Nasrolahi Shirazi, David G. Hangauer, Yahao Bu, Tahmineh Akbarzadeh, Keykavous Parang, Abbas Shafiee
Thiazolyl N-Benzyl-Substituted Acetamide Derivatives: Synthesis, Src Kinase Inhibitory And Anticancer Activities, Asal Fallah-Tafti, Alireza Foroumadi, Rakesh Tiwari, Amir Nasrolahi Shirazi, David G. Hangauer, Yahao Bu, Tahmineh Akbarzadeh, Keykavous Parang, Abbas Shafiee
Pharmacy Faculty Articles and Research
KX2-391 (KX-01/Kinex Pharmaceuticals), N-benzyl-2-(5-(4-(2-morpholinoethoxy)phenyl)pyridin-2-yl)acetamide, is a highly selective Src substrate binding site inhibitor. To understand better the role of pyridine ring and N-benzylsubstitution in KX2-391 and establish the structure-activity relationship, a number of N-benzyl substituted (2-morpholinoethoxy)phenyl)thiazol-4-yl)acetamide derivatives containing thiazole instead of pyridine were synthesized and evaluated for Src kinase inhibitory activities. The unsubstituted N-benzyl derivative (8a) showed the inhibition of c-Src kinase with GI50 values of 1.34 μM and 2.30 M in NIH3T3/c-Src527F and SYF/c-Src527F cells, respectively. All the synthesized compounds were evaluated for inhibition of cell proliferation of human colon carcinoma (HT-29), breast carcinoma (BT-20), and leukemia (CCRF-CEM) cells. …
3-Substitued Indoles: One Pot Synthesis And Evaluation Of Anticancer And Src Kinase Inhibitory Activities, V. Kameshwara Rao, Bhupender S. Chhikara, Amir Nasrolahi Shirazi, Rakesh Tiwari, Keykavous Parang, Anil Kumar
3-Substitued Indoles: One Pot Synthesis And Evaluation Of Anticancer And Src Kinase Inhibitory Activities, V. Kameshwara Rao, Bhupender S. Chhikara, Amir Nasrolahi Shirazi, Rakesh Tiwari, Keykavous Parang, Anil Kumar
Pharmacy Faculty Articles and Research
An efficient and economical method was developed for the synthesis of 3-substituted indoles by one pot three-component coupling reaction of a substituted or unsubstituted benzaldehyde, N-methylaniline, and indole or N-methylindole using Yb(OTf)3-SiO2 as a catalyst. All the synthesized compounds were evaluated for inhibition of cell proliferation of human colon carcinoma (HT-29), human ovarian adenocarcinoma (SK-OV-3), and c-Src kinase activity. The 4-methylphenyl (4o and 4p) and 4-methoxyphenyl (4q) indole derivatives inhibited the cell proliferation of SK-OV-3 and HT-29 cells by 7077% at a concentration of 50 μM. The unsubstituted phenyl (4d) and 3-nitrophenyl (4l) derivatives showed the inhibition of c-Src kinase …
Synthesis Of 3-Phenylpyrazolopyrimidine-1,2,3-Triazole Conjugates And Evaluation Of Their Src Kinase Inhibitory And Anticancer Activities, Anil Kumar, Israr Ahmad, Bhupender S. Chhikara, Rakesh Tiwari, Deendayal Mandal, Keykavous Parang
Synthesis Of 3-Phenylpyrazolopyrimidine-1,2,3-Triazole Conjugates And Evaluation Of Their Src Kinase Inhibitory And Anticancer Activities, Anil Kumar, Israr Ahmad, Bhupender S. Chhikara, Rakesh Tiwari, Deendayal Mandal, Keykavous Parang
Pharmacy Faculty Articles and Research
A series of two classes of 3-phenylpyrazolopyrimidine-1,2,3-triazole conjugates were synthesized using click chemistry approach. All compounds were evaluated for inhibition of Src kinase and human ovarian adenocarcinoma (SK-Ov-3), breast carcinoma (MDA-MB-361), and colon adenocarcinoma (HT-29). Hexyl triazolyl-substituted 3-phenylpyrazolopyrimidine exhibited inhibition of Src kinase with an IC50 value of 5.6 µM. 4-Methoxyphenyl triazolyl-substituted 3-phenylpyrazolopyrimidine inhibited the cell proliferation of HT-29 and SK-Ov-3 by 73% and 58%, respectively, at a concentration of 50 µM.
Inhibition Of Multi-Drug Resistant Hiv-1 Reverse Transcriptase By Nucleoside Beta-Triphosphates, Chandravanu Dash, Yousef Ahmadibeni, Michael J. Hanley, Jui Pandhare, Mathias Gotte, Stuart F. J. Le Grice, Keykavous Parang
Inhibition Of Multi-Drug Resistant Hiv-1 Reverse Transcriptase By Nucleoside Beta-Triphosphates, Chandravanu Dash, Yousef Ahmadibeni, Michael J. Hanley, Jui Pandhare, Mathias Gotte, Stuart F. J. Le Grice, Keykavous Parang
Pharmacy Faculty Articles and Research
Despite the success of potent reverse transcriptase (RT) inhibitors against human immunodeficiency virus type 1 (HIV-1) in combination regimens, the development of drug resistant RTs constitutes a major hurdle for the long-term efficacy of current antiretroviral therapy. Nucleoside β-triphosphate analogs of adenosine and nucleoside reverse transcriptase inhibitors (NRTIs) (3′-azido-2′,3′-dideoxythymidine (AZT), 3′-fluoro-2′,3′-dideoxythymidine (FLT), and 2′,3′-didehydro-2′,3′-dideoxythymidine (d4T)) were synthesized and their inhibitory activities were evaluated against wild-type and multidrug resistant HIV-1 RTs. Adenosine β-triphosphate (1) and AZT β-triphosphate (2) completely inhibited the DNA polymerase activity of wild type, the NRTI multi resistant, and nonnucleoside RT inhibitors (NNRTI) resistant HIV-1 RT at 10 …