Synthesis, structural studies and some biological aspects, including nematicidal and insecticidal properties, of organotin(IV) complexes formed with biologically active sulfonamide imine ligand

2004 ◽  
Vol 18 (9) ◽  
pp. 471-479 ◽  
Author(s):  
Mukta Jain ◽  
Sunita Maanju ◽  
R. V. Singh
Keyword(s):  
Biologically Active ◽  
Structural Studies ◽  
Biological Aspects

A REVIEW ON RECENT ADVANCES IN CHEMISTRY, SYNTHESIS AND BIOLOGICAL APPLICATIONS OF ISATIN DERIVATIVES

2018 ◽  
pp. 16-22
Author(s):  
Shukla PK ◽  
Singh MP ◽  
Patel R
Keyword(s):  
Heterocyclic Compounds ◽  
Biologically Active ◽  
Biological Applications ◽  
Plant Origin ◽  
Recent Past ◽  
Pharmacological Activities ◽  
Naturally Occurring ◽  
Recent Advances ◽  
Biological Aspects ◽  
Isatin Derivatives

Indole and its derivatives have engaged a unique place in the chemistry of nitrogen heterocyclic compounds. The recognition of the plant growthhormone, heteroauxin, the significant amino acids, tryptamine & tryptophan and anti-inflammatory drug, indomethacine are the imperativederivatives of indole which have added stimulus to this review work. Isatin (1H-indole-2,3-dione), an indole derivative of plant origin. Althoughit is a naturally occurring compound, but was synthesized by Erdmann and Laurent in 1840 before it was found in nature. Isatin is a versatileprecursor for many biologically active molecules and its diversified nature makes it a versatile substrate for further modifications. It is concernedin many pharmacological activities like anti-malarial, antiviral, anti-allergic, antimicrobial etc; isatin and its derivatives have been also found todemonstrate promising outcomes against various cancer cell lines. This review provides a brief overview on the recent advances and futureperspectives on chemistry and biological aspects of isatin and its derivatives reported in the recent past.

scholarly journals Structural studies of biologically active glycosylated polyamidoamine (PAMAM) dendrimers

2010 ◽  
Vol 17 (8) ◽  
pp. 2051-2060 ◽  
Author(s):  
Teresa Silva Barata ◽  
Sunil Shaunak ◽  
Ian Teo ◽  
Mire Zloh ◽  
Steve Brocchini
Keyword(s):  
Pamam Dendrimers ◽  
Biologically Active ◽  
Structural Studies

Structural studies of diethyltin(IV) derivatives and their biological aspects as potential antitumor agents against Agrobacterium tumefacien cells

2011 ◽  
Vol 25 (6) ◽  
pp. 412-419 ◽  
Author(s):  
Mukhtiar Hussain ◽  
Zia-ur-Rehman ◽  
Muhammad Hanif ◽  
Muhammad Altaf ◽  
Aziz-ur-Rehman ◽  
...  
Keyword(s):  
Antitumor Agents ◽  
Structural Studies ◽  
Biological Aspects ◽  
Agrobacterium Tumefacien ◽  
Potential Antitumor

Classical Synthesis of and Structural Studies on a Biologically Active Heptapeptide and a Nonapeptide of Bovine Elastin

2002 ◽  
Vol 2002 (1) ◽  
pp. 95-103 ◽  
Author(s):  
Caterina Spezzacatena ◽  
Tiziana Perri ◽  
Valeria Guantieri ◽  
Lawrence B. Sandberg ◽  
Thomas F. Mitts ◽  
...  
Keyword(s):  
Biologically Active ◽  
Structural Studies

scholarly journals ROLE OF PATHOLOGICAL NEW FORMATIONS AND THEIR AGENTS IN THE FUNCTIONING OF NATURAL ECOSYSTEMS OF FOREST PARK ZONES

2020 ◽  
Vol 10 (3) ◽  
pp. 26-34
Author(s):  
Irina Kazbanova
Keyword(s):  
Natural Environment ◽  
Biologically Active ◽  
Tree Plantations ◽  
Natural Ecosystems ◽  
Forest Park ◽  
Artificial Ecosystems ◽  
Biological Aspects ◽  
The Relationship ◽  
Active Substances

In recent years, there has been great interest in pathogenic growths in plants and their pathogens. This is explained by the possibilities of their use in various environmental spheres and covers biological aspects of natural and artificial ecosystems in normal and disturbed state, as well as the assessment and forecasting of natural cycles of biologically active substances, the ability of ecosystems to self-purify, and an assessment of the positive human impact on nature. That is why, it is extremely important (for the preservation and development of the normal functioning of natural ecosystems) to find out the real significance of natural factors and development of gall formation processes in natural ecosystems, as well as the actual scale of anthropogenic impact in them. This is especially important when disturbances have reached high levels and are critical in the natural environment in forest park zones. One of the important parts of the problem is assessment of predicting the natural environment in forest park zones. Therefore, it becomes necessary to consider the relationship between tree plantations in forest park zones and pathogens of pathological neoplasms. It is also necessary to find out what there is a relationship between tree plantations and pathogens of pathological growths.

scholarly journals 2-Acetylbenzimidazole: a Valuable Synthon for the Synthesis of Biologically Active Molecules

2020 ◽  
Vol 11 (4) ◽  
pp. 11562-11591
Keyword(s):  
Heterocyclic Compounds ◽  
Heterocyclic System ◽  
Biological Activities ◽  
Biologically Active ◽  
Online Search ◽  
Convenient Synthesis ◽  
Anti Cancer ◽  
Pharmacological Interest ◽  
Main Motive ◽  
Biological Aspects

Benzimidazole is an important moiety from a medicinal chemistry perspective due to its various biological activities such as antimicrobial, anti-cancer, anti-diabetic, anti-Alzheimers, and anti-inflammatory, etc. 2-acetylbenzimidazole is exploited to obtain various heterocyclic compounds of pharmacological interest. This review's main motive is to present the literature on 2-acetylbenzimidazole chemistry and provide valuable and up-to-date information for its applications. The present review is carried out by compiling literature from 1964 to 2020 concerning the synthesis and biological aspects of various heterocyclic compounds derived from 2-acetylbenzimidazole. Literature was collected from various online search engines viz. Google Scholar, PubMed, Science Direct, Core, and Semantic scholar. 2-acetylbenzimidazole has been successfully employed as a synthon to obtain heterocyclic system viz. oxirane, pyrazoline, thiazole, pyrazole, isoxazoline, isoxazole, pyridine, pyrimidine, thiazine, diazepine, and other miscellaneous rings. 2-acetylbenzimidazole has shown promise for the convenient synthesis of various heterocyclic compounds. The reactions can be carried out on various reactive sites of 2-acetylbenzimidazole, which are the carbonyl group and the amino group. This review will help to explore various heterocyclic compounds and particularly in the synthesis of biologically useful compounds.

HIV-1 Membrane Fusion Mechanism:  Structural Studies of the Interactions between Biologically-Active Peptides from gp41

Biochemistry ◽  
1996 ◽  
Vol 35 (42) ◽  
pp. 13697-13708 ◽  
Author(s):  
Mary K. Lawless ◽  
Shawn Barney ◽  
Kelly I. Guthrie ◽  
Teresa B. Bucy ◽  
Stephen R. Petteway, ◽  
...  
Keyword(s):  
Membrane Fusion ◽  
Biologically Active ◽  
Structural Studies ◽  
Active Peptides ◽  
Biologically Active Peptides ◽  
Hiv 1

scholarly journals Potential of biologically active plant oils to control mosquito larvae (Culex pipiens, Diptera: Culicidae) from an egyptian locality

2008 ◽  
Vol 50 (2) ◽  
pp. 107-112 ◽  
Author(s):  
Hanem Fathy Khater ◽  
Afaf Abdel-Salam Shalaby
Keyword(s):  
Culex Pipiens ◽  
Adult Emergence ◽  
Biologically Active ◽  
Mustard Oil ◽  
Plant Oils ◽  
Cyperus Esculentus ◽  
Boswellia Serrata ◽  
Insecticidal Effect ◽  
Biological Aspects ◽  
F1 Generation

The insecticidal effect of six commercially available plant oils was tested against 4th larval instars of Culex pipiens. Larvae were originally collected from Meit El-Attar, Qalyubia Governorate, Egypt, and then reared in the laboratory until F1 generation. The LC50 values were 32.42, 47.17, 71.37, 83.36, 86.06, and 152.94 ppm for fenugreek (Trigonella foenum-grecum), earth almond (Cyperus esculentus), mustard (Brassica compestris), olibanum (Boswellia serrata), rocket (Eruca sativa), and parsley (Carum ptroselinum), respectively. The tested oils altered some biological aspects of C. pipiens, for instance, developmental periods, pupation rates, and adult emergences. The lowest concentrations of olibanum and fenugreek oils caused remarkable prolongation of larval and pupal durations. Data also showed that the increase of concentrations was directly proportional to reduction in pupation rates and adult emergences. Remarkable decrease in pupation rate was achieved by mustard oil at 1000 ppm. Adult emergence was suppressed by earth almond and fenugreek oils at 25 ppm. In addition, the tested plant oils exhibited various morphological abnormalities on larvae, pupae, and adult stages. Consequently, fenugreek was the most potent oil and the major cause of malformation of both larval and pupal stages. Potency of the applied plant oils provided an excellent potential for controlling C. pipiens.

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