Results 1 to 10 of about 46,240 (118)

Chemical studies of some fused heterocyclic compounds containing oxygen with anticipated biological interests: Thesis Abstract [PDF]

Egyptian Journal of Cancer and Biomedical Research, 2021
Thesis AbstractBackground: Heterocyclic are known to have multiple applications in particular biomedical settings. Aim: The present study reports a convenient protocol for the design and synthesis of new heterocyclic compounds incorporating 1- hydroxy ...
Abdelrahman Abdelrahman, El-Sayed El-Desoky, Mohamed Abozeid, Aya El-Sawi   +3 more
doaj   +1 more source

Synthesis Characterization of Some New Heterocyclic Compounds Containing1, 3-Oxazepine Ring [PDF]

Kirkuk Journal of Science, 2016
تم تحضیر سلسلة من مشتقات 1, 3 - الاوکسازبین من خلال خطوتین الاول: یتضمن تحضیر مشتقات الایمین (A7-A1) من تفاعل 4 - هیدروکسی بنزالدیهاید مع امینات معوضة مختلفة وباستخدام حامض الخلیک الثلجی.
Jawdat H. Abdul – Wahid, Ayad S. Hameed, Aveen K. Mohammed   +2 more
doaj   +1 more source

Exploration of Benzenesulfonamide-Bearing Imidazole Derivatives Activity in Triple-Negative Breast Cancer and Melanoma 2D and 3D Cell Cultures

Pharmaceuticals, 2021
Heterocyclic compounds are one of the main groups of organic compounds possessing wide range of applications in various areas of science and their derivatives are present in many bioactive structures. They display a wide variety of biological activities.
Benas Balandis, Vytautas Mickevičius, Vilma Petrikaitė   +2 more
doaj   +1 more source

Preparation and diagnosis some heterocyclic compounds that derived from 1,3,4 – Thiadiazole compound derived from 1,3,4 – Thiadiazole compound [PDF]

Kirkuk Journal of Science, 2016
This search included synthesis of some heterocyclic compounds devired from 1,3,4- thiadiazol ring ,such as thaiazolidin -4-one substituents Azetidine -3- one and Azo dyes.
Ayad S. H. AL-Maaini Nazhan.KA AL-Luhiby
doaj   +1 more source

Synthesis, Characterization, and Preliminary Evaluation of Antimicrobial activity of Imines derived from Vanillic Acid Conjugated to Heterocyclic

Iraqi Journal of Pharmaceutical Sciences, 2023
The purpose of this research is to prepare new vanillic acid derivatives with 1,2,4-triazole-3-thiol heterocyclic ring and evaluate their antimicrobial activity in a preliminary assessment.
Noor Ali Sabzi, May Mohammed Jawad
doaj   +1 more source

Chemical Studies on Some Chromone Derivatives with Anticipated Pharmaceutical Applications: Thesis Abstract [PDF]

Egyptian Journal of Cancer and Biomedical Research, 2021
The present study reports a convenient protocol for the design and synthesis of new heterocyclic compounds incorporating 1- hydroxy-naphthyl and new angular chromones bearing allylnaphthyl fragments.
Aya El-Sawi, Eman Keshk, Abdelrahman Abdelrahman, El-Sayed El-Desoky   +3 more
doaj   +1 more source

Synthesis and Reactivity of 3H-1,2-dithiole-3-thiones

Molecules, 2021
3H-1,2-Dithiole-3-thiones are among the best studied classes of polysulfur-containing heterocycles due to the almost explosive recent interest in these compounds as sources of hydrogen sulfide as an endogenously produced gaseous signaling molecule.
Oleg A. Rakitin
doaj   +1 more source

Microwave-Assisted Stereoselective Heterocyclization to Novel Ring d-fused Arylpyrazolines in the Estrone Series

Molecules, 2019
Microwave-assisted syntheses of novel ring d-condensed 2-pyrazolines in the estrone series were efficiently carried out from steroidal α,β-enones and hydrazine derivatives. The ring-closure reaction of 16-benzylidene estrone 3-methyl ether with
Gergő Mótyán, Barnabás Molnár, János Wölfling, Éva Frank   +3 more
doaj   +1 more source

Synthesis and studies molecular docking of some new thioxobenzo[g]pteridine derivatives and 1,4-dihydroquinoxaline derivatives with glycosidic moiety

Journal of Taibah University for Science, 2018
The present work is mainly dedicated to heterocyclic compounds as well as S-glycoside. 1,4-dihydroquinoxaline derivatives 3 were obtained from the reaction 2 with carbon disulfide in presence of potassium hydroxide.
Amira A. Ghoneim, Nadia Ali Ahmed Elkanzi, Rania B. Bakr   +2 more
doaj   +1 more source

Synthesis of New Heterocyclic compounds derived from Pyrazoline-5-one compound

Al-Mustansiriyah Journal of Pharmaceutical Sciences, 2011
In this work new heterocyclic pyrazolin derivatives have been synthesized from diazonium chloride salt of 4-aminobenzoic acid: firstly, Azo compounds were prepared from the reaction of an ethanolic solution of sodium acetate and calculated amount of ...
Rafah F. Al-Smaisim, Redha E. Al-Bayati, Abdul Hussain K. Sharba   +2 more
doaj   +1 more source