Results 111 to 120 of about 126,036 (251)

Anti-proliferate Activity and 5α-reductase Inhibitors of Chiral Macrocyclic (Nα-di-nicotinoyl)[L-phenylalaninyl-L-leucinyl]Pentapeptide Candidates Against LNCaP and PC-3 Prostate Cancer Cell Lines [PDF]

, 2020
60-65A series of macrocyclic derivatives 2-6 were prepared using Nα-dinicotinoyl-bis[L-phenylalaninyl-L-leucyl]hydrazide 1 and cyclo pentapeptide hydrazide 2 as starting materials.
Alanazi, M M, Amr, M A E, Elsayed, E A, Mageid, R E Abdel, Naglah, A M   +4 more
core  

Synthesis and cytotoxic activity of some novel benzocoumarin derivatives under solvent free conditions

Green Chemistry Letters and Reviews, 2019
In the present study, a rapid, less expensive, clean and environmental friendly route to synthesis new pyrazoles, pyrazolopyridazines and condensed pyrimidines was developed via grinding of 2-(3-(dimethylamino)acryloyl)-3H-benzo[f]chromen-3-one (1) with ...
Anhar Abdel-Aziem, Huda Refaat Mahmoud Rashdan, Entesar Mohamed Ahmed, Sara N. Shabaan   +3 more
doaj   +1 more source

Bio-Based (Chitosan-ZnO) Nanocomposite: Synthesis, Characterization, and Its Use as Recyclable, Ecofriendly Biocatalyst for Synthesis of Thiazoles Tethered Azo Groups. [PDF]

Polymers (Basel), 2022
Bashal AH, Riyadh SM, Alharbi W, Alharbi KH, Farghaly TA, Khalil KD.   +5 more
europepmc   +1 more source

(3+2)-Cycloadditions of Levoglucosenone (LGO) with Fluorinated Nitrile Imines Derived from Trifluoroacetonitrile: An Experimental and Computational Study. [PDF]

Molecules, 2023
Mlostoń G, Urbaniak K, Palusiak M, Witczak ZJ, Würthwein EU.   +4 more
europepmc   +1 more source

Regioselective Cycloaddition of Nitrile Imines to 5-Methylidene-3-phenyl-hydantoin: Synthesis and DFT Calculations. [PDF]

Int J Mol Sci, 2023
Filkina ME, Baray DN, Beloglazkina EK, Grishin YK, Roznyatovsky VA, Kukushkin ME.   +5 more
europepmc   +1 more source

Preparation of 1,3,5-Trisubstituted Pyrazoles with Cascade Reaction Catalyzed by Cu between Hydrazonoyl Halide and Terminal Alkynes [PDF]

, 2016
Fuwei Li, Xiaolong Wang, Haitao Yu
openalex   +1 more source

Green synthesis and molecular docking studies of bisthiazole and bisthiadiazole derivatives using p-aminobenzoic acid chitosan/CuONP composites

Green Chemistry Letters and Reviews
p-Aminobenzoic acid chitosan/CuONPs (ACs/CuONPs) composites, developed using chitosan (Cs) and its grafted form (ACs), proved to be efficient, eco-friendly catalysts for synthesizing novel bisthiazole and bisthiadiazole derivatives.
Mohamed El-Naggar, Sobhi M. Gomha, Nahed A. Abd El-Ghany, Tariq Z. Abolibda, Awatif H. Alruwaili, Magdi E. A. Zaki, Manal S. Ebaid, Nadia A. Mohamed   +7 more
doaj   +1 more source

One-Pot Synthesis of 1-Aryl-3-trifluoromethylpyrazoles Using Nitrile Imines and Mercaptoacetaldehyde As a Surrogate of Acetylene. [PDF]

Org Lett, 2023
Świątek K, Utecht-Jarzyńska G, Palusiak M, Ma JA, Jasiński M.   +4 more
europepmc   +1 more source

Synthesis, Charactrization and Evaluation Biological Activity of some New Formazan Compounds Derived from Schiff Bases and Azo Compounds [PDF]

, 2016
The titled  compounds  ((  twenty  compounds ))  were  synthesized  from series  reactions  of  two  types  compounds  ( azo  and  imine ) -  compounds ., we  prepared   ten  compounds  from  Schiff  bases    which  react  after that  with  diazo ...
Abad Shallal, Mohammed, Mahdi, Haider Abbas   +1 more
core   +1 more source

Computational studies on formation and intermolecular [1+2] cycloadditions of nitrilimines [PDF]

, 2012
2,5-disubstituted tetrazoles decompose thermally to give nitrilimines (R1–CNN–R2), whose electronic structure widely varies with the substituents R1 and R2.
Mehrpajouh, Sima
core