Design, Synthesis, in vitro MAO-B Inhibitory Evaluation, and Computational Studies of Some 6-Nitrobenzothiazole-Derived Semicarbazones

ChemMedChem ◽  
2013 ◽  
Vol 8 (3) ◽  
pp. 462-474 ◽  
Author(s):  
Rati K. P. Tripathi ◽  
Omprakash Goshain ◽  
Senthil Raja Ayyannan
Keyword(s):  
Computational Studies ◽  
Design Synthesis ◽  
Mao B

scholarly journals Design, synthesis, molecular modelling and in vitro screening of monoamine oxidase inhibitory activities of novel quinazolyl hydrazine derivatives

2020 ◽  
Vol 7 (4) ◽  
pp. 200050
Author(s):  
Adel Amer ◽  
Abdelrahman H. Hegazi ◽  
Mohammed Khalil Alshekh ◽  
Hany E. A. Ahmed ◽  
Saied M. Soliman ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Monoamine Oxidase ◽  
In Vitro Screening ◽  
Phenyl Substituent ◽  
Design Synthesis ◽  
Mao B ◽  
Mao A ◽  
Ft Ir ◽  
Inhibitory Activities

A new series of N'-substituted benzylidene-2-(4-oxo-2-phenyl-1,4-dihydroquinazolin-3(2H)-yl)acetohydrazide ( 5a–5h ) has been synthesized, characterized by FT-IR, NMR spectroscopy and mass spectrometry and tested against human monoamine oxidase (MAO) A and B. Only (4-hydroxy-3-methoxybenzylidene) substituted compounds gave submicromolar inhibition of MAO-A and MAO-B. Changing the phenyl substituent to methyl on the unsaturated quinazoline ring ( 12a–12d ) decreased inhibition, but a less flexible linker ( 14a–14d ) resulted in selective micromolar inhibition of hMAO-B providing insight for ongoing design.

scholarly journals Pyrazolobenzothiazine-based carbothioamides as new structural leads for the inhibition of monoamine oxidases: design, synthesis, in vitro bioevaluation and molecular docking studies

MedChemComm ◽  
2017 ◽  
Vol 8 (2) ◽  
pp. 452-464 ◽  
Author(s):  
Syed Mobasher Ali Abid ◽  
Sana Aslam ◽  
Sumera Zaib ◽  
Syeda Mahwish Bakht ◽  
Matloob Ahmad ◽  
...  
Keyword(s):  
Molecular Docking ◽  
Active Site ◽  
Potent Inhibitor ◽  
Binding Mode ◽  
Docking Studies ◽  
Design Synthesis ◽  
Molecular Docking Studies ◽  
Monoamine Oxidases ◽  
Mao B

Binding mode of potent inhibitor (green) & cognate ligand (pink) in the active site of MAO-B.

scholarly journals Rational Development of a Novel Hydrogel as a pH-Sensitive Controlled Release System for Nifedipine

Polymers ◽  
2018 ◽  
Vol 10 (7) ◽  
pp. 806 ◽  
Author(s):  
Fabián Avila-Salas ◽  
Yeray Rodriguez Nuñez ◽  
Adolfo Marican ◽  
Ricardo Castro ◽  
Jorge Villaseñor ◽  
...  
Keyword(s):  
Maleic Acid ◽  
Ph Sensitive ◽  
Dynamics Simulation ◽  
Computational Studies ◽  
Simulation Studies ◽  
Interaction Energies ◽  
Design Synthesis ◽  
Rational Development ◽  
Structural Blocks

This work depicts the rational development (in-silico design, synthesis, characterization and in-vitro evaluation) of polyvinyl alcohol hydrogels (PVAH) cross-linked with maleic acid (MA) and linked to γ-cyclodextrin molecules (γ-CDPVAHMA) as systems for the controlled and sustained release of nifedipine (NFD). Through computational studies, the structural blocks (PVA chain + dicarboxylic acid + γ-CD) of 20 different hydrogels were evaluated to test their interaction energies (ΔE) with NFD. According to the ΔE obtained, the hydrogel cross-linked with maleic acid was selected. To characterize the intermolecular interactions between NFD and γ-CDPVAHMA, molecular dynamics simulation studies were carried out. Experimentally, three hydrogel formulations with different proportions of γ-CD (2.43%, 3.61% and 4.76%) were synthesized and characterized. Both loading and release of NFD from the hydrogels were evaluated at acid and basic pH. The computational and experimental results show that γ-CDs linked to the hydrogels were able to form 1:1 inclusion complexes with NFD molecules. Finally, γ-CDPVAHMA-3 demonstrated to be the best pH-sensitive release platform for nifedipine. Its effectiveness could significantly reduce the adverse effects caused by the anticipated release of NFD in the stomach of patients.

Antichagasic profile of a Series of Mannich Base‐Type Derivatives: Design, Synthesis, in vitro Evaluation, and Computational Studies Involving Iron Superoxide Dismutase

2019 ◽  
Vol 4 (27) ◽  
pp. 8112-8121
Author(s):  
Rocío Paucar ◽  
Rubén Martín‐Escolano ◽  
Elsa Moreno‐Viguri ◽  
Nuria Cirauqui ◽  
Clotilde Marín ◽  
...  
Keyword(s):  
Superoxide Dismutase ◽  
Mannich Base ◽  
Computational Studies ◽  
Design Synthesis ◽  
In Vitro Evaluation ◽  
Iron Superoxide Dismutase

Design, Synthesis and In Vitro Evaluation of 18β-Glycyrrhetinic Acid Derivatives for Anticancer Activity Against Human Breast Cancer Cell Line MCF-7

2014 ◽  
Vol 21 (9) ◽  
pp. 1160-1170 ◽  
Author(s):  
Dharmendra Yadav ◽  
Komal Kalani ◽  
Abhishek Singh ◽  
Feroz Khan ◽  
Santosh Srivastava ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Anticancer Activity ◽  
Breast Cancer Cell Line ◽  
Human Breast Cancer ◽  
Cancer Cell Line ◽  
Human Breast Cancer Cell ◽  
Human Breast ◽  
Design Synthesis ◽  
Mcf 7

Design, Synthesis, Molecular Docking and Biological Evaluation of 1-(benzo[d]thiazol-2-ylamino)(phenyl)methyl)naphthalen-2-ol Derivatives as Antiproliferative Agents

2019 ◽  
Vol 16 (10) ◽  
pp. 837-845
Author(s):  
Sandhya Jonnala ◽  
Bhaskar Nameta ◽  
Murthy Chavali ◽  
Rajashaker Bantu ◽  
Pallavi Choudante ◽  
...  
Keyword(s):  
Molecular Docking ◽  
Inhibitory Activity ◽  
Chinese Hamster Ovary Cells ◽  
Chinese Hamster ◽  
Mouse Skin ◽  
Coupling Reaction ◽  
Binding Mode ◽  
Biological Evaluation ◽  
Design Synthesis

A class of 1-((benzo[d]thiazol-2-ylamino)(phenyl)methyl)naphthalen-2-ol derivatives (4a-t) has been synthesized in good yields through a three component coupling reaction. The newly synthesized compounds were evaluated for their in vitro antiproliferative activity against five cell lines such as DU145 (human prostate cancer), MDA-MB-B231 (human breast cancer), SKOV3 (human ovarian cancer), B16-F10 (mouse skin melanoma) and CHO-K1 (Chinese hamster ovary cells), a noncancerous cell line. In vitro inhibitory activity indicates that compounds 4a, 4b, 4c, 4d, 4g, 4j, and 4o exhibited potent anti-proliferative behavior. Among them, compounds 4g, 4j and 4o found to be the most active members exhibiting remarkable growth inhibitory activity. Molecular docking facilitates to investigate the probable binding mode and key active site interactions in tubulins α and β proteins. The docking results are complementary to experimental results.

Discovery of N-Phenyl-4-(1H-pyrrol-3-yl)pyrimidin-2-amine Derivatives as Potent Mnk2 Inhibitors: Design, Synthesis, SAR Analysis, and Evaluation of in vitro Anti-leukaemic Activity

2019 ◽  
Vol 15 (6) ◽  
pp. 602-623 ◽  
Author(s):  
Ahmed M. Abdelaziz ◽  
Sarah Diab ◽  
Saiful Islam ◽  
Sunita K.C. Basnet ◽  
Benjamin Noll ◽  
...  
Keyword(s):  
Proliferative Activity ◽  
Myeloid Cell ◽  
Structural Diversity ◽  
Translation Initiation Factor ◽  
Initiation Factor ◽  
Cell Leukaemia ◽  
Aberrant Expression ◽  
Design Synthesis ◽  
Induced Apoptosis

Background:Aberrant expression of eukaryotic translation initiation factor 4E (eIF4E) is common in many types of cancer including acute myeloid leukaemia (AML). Phosphorylation of eIF4E by MAPK-interacting kinases (Mnks) is essential for the eIF4E-mediated oncogenic activity. As such, the pharmacological inhibition of Mnks can be an effective strategy for the treatment of cancer.Methods:A series of N-phenyl-4-(1H-pyrrol-3-yl)pyrimidin-2-amine derivatives was designed and synthesised. The Mnk inhibitory activity of these derivatives as well as their anti-proliferative activity against MV4-11 AML cells was determined.Results:These compounds were identified as potent Mnk2 inhibitors. Most of them demonstrated potent anti-proliferative activity against MV4-11 AML cells. The cellular mechanistic studies of the representative inhibitors revealed that they reduced the level of phosphorylated eIF4E and induced apoptosis by down-regulating the anti-apoptotic protein myeloid cell leukaemia 1 (Mcl-1) and by cleaving poly(ADP-ribose)polymerase (PARP). The lead compound 7k possessed desirable pharmacokinetic properties and oral bioavailability.Conclusion:This work proposes that exploration of the structural diversity in the context of Nphenyl- 4-(1H-pyrrol-3-yl)pyrimidin-2-amine would offer potent and selective Mnk inhibitors.

Design, Synthesis, Evaluation and Computational Studies of Nipecotic Acid-Acetonaphthone Hybrids as Potential Antiepileptic Agents

2018 ◽  
Vol 14 (4) ◽  
pp. 409-426 ◽  
Author(s):  
Ankit Seth ◽  
Piyoosh A. Sharma ◽  
Avanish Tripathi ◽  
Priyanka K. Choubey ◽  
Pavan Srivastava ◽  
...  
Keyword(s):  
Computational Studies ◽  
Nipecotic Acid ◽  
Design Synthesis ◽  
Antiepileptic Agents
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