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Or enter first few letters: Items in Dyuthi are protected by copyright, with all rights reserved, unless otherwise indicated. Synthetic strategies and selectivity profile in their reactivity.

Ph.D THESES

Roshini, Thumpakara K; Dr. The synthesis and reactions of simple derivatives of 2 3H - and 3 2H furanones have attracted considerable attention cusat phd recent years, primarily in connection with development of routes to antitumor agents that contain this ring as central structural unit.

They also cusat phd thesis online as useful synthetic building blocks for lactones and furans and are the precursors of a wide variety of biologically important heterocyclic systems. Although a online of syntheses of furanones were known cusat phd thesis online were in many cases limited to online substitution pattems. The development of altemative strategies for the preparation of these heterocycles is therefore of considerable importance or continues to be a challenge.

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Cusat phd thesis online propose to develop new and general approaches to the synthesis of furanone ring cusat phd thesis online from simple and readily available starting materials since we were thesis online in examining their rich photochemistry. The photochemical reactivity of Beta,gama-unsaturated lactams and lactones is a subject cusat phd thesis current interest.

Some of the prominent photoreaction pathways thesis online unsaturated lactones include decarbonylation, solvent addition to double bonds, decarboxylation, migration of aryl substituents and dimerisation. But related phenanthrofuranones are isolated as photostable end products upon irradiation.

Beyond the Classrooms

Hence we propose to synthesis a few phenanthro-2 3H -furanones to study the effect of a radical stabilising group at 3-position of furanone ring on photolysis. To explore the tripletmediated transformations of 2 3H -furanones in polar and nonpolar solvents a cusat phd thesis online in class essay prompts list 4-chlorophenyl aryl-3H-furanones and 3,3-di p-tolyl aryl- cusat phd thesis online were synthesised from thesis online corresponding dibenzoylstyrene precursors by neat thermolysis.

Our aim was to study the nature of intermediates involved in these transformations.

We also explored the cusat phd thesis online of developing a new and general approach to the synthesis of 3 2H -furanones from simple and readily available starting materials since such general procedures are not available.

The protocol developed by us employs readily available phenanthrenequinone and various 4-substituted acetophenones as starting materials and provides online access cusat phd thesis online the required 3 2H -furanone targets.

These furanone derivatives have immense potential for further investigations. We also aimed the synthesis cusat phd thesis a few cusat phd thesis systems such as acenaphthenone-2—ylidene ketones and phenanthrenoneylidene ketones.

These systems were expected to undergo thermal rearrangement to give furanones and spirofuranones. Also these systems can be categorised as quinonemethides which are valuable synthetic intermediates. The work is an attempt to understand the role of 5-HT, 5-HT1A and cusat phd thesis online receptors in the regulation of liver cell proliferation using in vivo and in vitro models.

Cusat phd thesis online work also focuses on the brain serotonergic cusat phd thesis online associated with hapatocyte proliferation and apoptosis to delineate its regulatory function. The investigation of mechanisms involving different models thesis online hepatocyte proliferation contributes to our knowledge about serotonergic regulation of cell growth, apoptosis and carcinogenesis of liver.

The study reveals that the alteration of the 5-HT1A and 5-HT2C receptor function and gene expression in the brain stem, cerebral cortex and hypothalamus play an important role in cusat phd thesis online sympathetic regulation of cusat phd thesis a persuasive college writing essay, neoplastic transformation and apoptosis.

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The /quality-writing-paper-sets-cotton.html balance between 5-HT1A and 5-HT2C receptor plays an important role in cusat phd thesis online hepatocyte proliferation, neoplastic transformation and hepatic apoptosis.

The regulatory role of 5-HT1A and 5-HT2C receptor during neoplastic transformation cusat phd thesis online apoptosis could lead thesis online possible therapeutic intervention in the treatment of cancers cusat phd have immense clinical read article. Mohanan, V Online Dr.

Neuroprotective Role of Bacopa monnieri. Nair AmeeKrishnakumar; Dr.

Cochin University of Science and Technology-Library

Ablueprint for export development of Online. The study evaluates the policies online the government and programmes of the organization assigned with cusat phd thesis task of development of export trade of specific commodities. Cusat phd thesis researcher recommends a plan of action with long term perspective and suggests appropriate strategies for thesis online export development of the traditional and nontraditional agricultural items.

T he thesis also review trends in the world trade of the major exports from Kerala Description: Anu Pavithran, V; Dr. Access to education becomes an issue of equity with diverse claims from stakeholders justifying their rights based on perceptions of equity — both social and individual.

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