Stereoselective Synthesis
STUDIES DIRECTED TOWARD THE SYNTHESIS OF 2-EPIBOTCINOLIDE, LYCOPERDINOSIDE A AND B AND STEREOSELECTIVE SYNTHESIS OF A δ-LACTONE
... A: Stereoselective synthesis of the nonalactone ring of 2-epi-8-epibotcinolide: Botcinolides belong to a family of novel phytotoxic metabolites isolated from a strain of plant pathogen Botrytis cinerea, a ...
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STEREOSELECTIVE SYNTHESIS OF α,β-UNSATURATED δ-LACTONE CONTAINING NATURAL PRODUCTS, SYNTHESIS OF 12-MEMBERED MACROLACTONE AND ITS C12 EPIMER AND ATTEMPTED SYNTHESIS OF OKASPIRODIOL
... First stereoselective synthesis of (6R)-6-[(4R,6R)-4,6- dihydroxy-10-phenyldec-1-enyl]-5,6-dihydro-2H-pyran-2-one was accomplished by a combination of iterative Jacobsen hydrolytic kinetic resolution, ...
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Stereoselective Synthesis and Corrosion Inhibition Behaviour of Allyldihydrocarveols on Steel in Molar Hydrochloric Acid
... accomplish stereoselective synthesis of allyldihydrocarveols from dihydrocarvone and allylmagnesium chloride in ...is stereoselective and the allylation of dihydrocarvone takes place on the ‘‘si ...
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STEREOSELECTIVE SYNTHESIS AND BIOLOGICAL EVALUATION OF STAGONOLIDE-F, (+)- NEPHROSTERANIC ACID AND PHOTOCHEMICAL STUDIES OF SUPRAMOLECULAR ASSEMBLIES
... the synthesis of natural products and their biological evaluation and is divided into two ...“Concise synthesis of stagonolide-F by ring closing metathesis approach and its biological evaluation” is ...
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Stereoselective Synthesis and Biological Evaluation of Pyrrolidine Natural Products and 4-Oxazolidinone Antimicrobial Agents.
... and stereoselective synthesis of nitrogen heterocycles is paramount to completing a practical total synthesis of most complex alkaloid natural ...total synthesis of a family of complex marine ...
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Application of Prins cyclisation: “Stereoselective synthesis of (-)- Salicylihalamides A and B & (+)-Cryptocarya diacetate
... alcohols, is expanded. A new approach for the stereoselective synthesis of polyketide precursors containing 1, 3-diol units, flanked by divergent alkyl branches with different functional groups. Polyketide ...
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BIOMIMETIC APPROACHES TO ORGANIC SYNTHESIS INVOLVING CYCLODEXTRINS AND STEREOSELECTIVE SYNTHESIS OF SUBSTITUTED PIPERIDINES
... organic synthesis involving cyclodextrins and stereoselective synthesis of substituted piperidines ” has been divided into five ...organic synthesis and substituted ...biomimetic ...
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Stereoselective synthesis of highly substituted tetrahydrofurans by diverted carbene O–H insertion reaction
... The tetrahydrofuran ring is a commonly found motif in naturally occurring bioactive compounds, and occurs in structural classes such as lignans, [1] acetogenins, [2] ionophores, [3] and macrolides. [4] Examples include ...
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Stereoselective Synthesis and Applications of b-Azidoalcohols.
... Chapter-III: Stereoselective synthesis of bioactive molecules using azido alcohols as chiral building ...Secito-A: Stereoselective synthesis of (R)-(-)-denopamine, a drug for congestive heart ...
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Stereoselective synthesis of carbocyclic analogues of the nucleoside Q precursor (PreQ0)
... A convergent and stereoselective synthesis of chiral cyclopentyl- and cyclohexylamine derivatives of nucleoside Q precursor (PreQ 0 ) has been accomplished. This synthetic route allows for an efficient ...
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A novel approach towards the stereoselective synthesis of inositols and its application in the synthesis of biologically important molecules
... and synthesis of glycosylation substrates 144 and 145 (Scheme ...the synthesis of the glycosylation substrate 146, the protected myo-inositol 143 was initially converted into the methylthiomethyl ether ...
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STUDIES DIRECTED TOWARDS THE STEREOSELECTIVE SYNTHESIS OF THE ATTENOL A AND DEVELOPMENT OF NEW SYNTHETIC METHODOLOGIES
... Lanthanide triflates are unique Lewis acids that are currently of great research interest. Their high catalytic activity, low toxicity, moisture and air tolerance and their recyclability, make lanthanide triflates ...
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The Structural Elucidation of a Proposed Intermediate in the Stereoselective Synthesis of dl Desoxypodocarpic Acid
... 5-isopodocarpic acid series with the corresponding compounds in the rearrangement product series indicates that the rearrangement product cannot be the corresponding trans-fused diosphen[r] ...
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Stereoselective synthesis of (–)-tetrahydropyrenophorol
... In the study, total synthesis of (–)-tetrahydropyrenophorol macrodiolide was consummated in a simple and divergent way starting from racemic epoxide. Sharpless asymmetric dihydroxylation and Mitsunobu ...
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TOTAL SYNTHESIS OF (+)-ASPICILIN, (+)-BOURGEANIC ACID, STEREOSELECTIVE SYNTHESIS OF C13-C26 FRAGMENT OF 53-DEOXO-SANGLIFEHRIN A AND DEVELOPMENT OF NEW METHODOLOGIES
... the synthesis of immunosuppressive molecules, we started synthesis of 53-deoxo-Sanglifehrin A 42 is one of the analogues of Sanglifehrin A having one keto group less in its ...
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A Straightforward Stereoselective Synthesis of d and l 5 Hydroxy 4 hydroxymethyl 2 cyclohexenylguanine
... facile synthesis for the preparation of racemic 1 and its two ...The synthesis consists of only 5 steps (for ( ( )-1) and it represents a highly efficient approach toward the preparation of cyclohexenyl ...
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Stereoselective synthesis of tetrahydroindolizines via catalytic formation of pyridinium ylides from diazo compounds
... copper-catalyzed stereoselective reactions involving pyridines, diazo compounds and electrophilic alkenes that give efficient synthesis of alkaloid-like tetrahydroindolizidines that are a privileged ...
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Stereoselective synthesis of biologically active natural products: Brevisamide, (-)-Colletol, Spiroketal fragment of (-)-Ushikulide A
... Our synthesis of alcohol fragment 32 of colletol as described in Scheme 9, commenced from Prins cyclisation between known homo allylic alcohol 35 and acetaldehyde in the presence of TFA was afforded ...
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From Heteroaromatic acids and Imines to Azaspirocycles : Stereoselective Synthesis and 3D Shape Analysis
... the synthesis of a range of 3D spirocyclic scaffolds has been reported, starting from far simpler 2D building ...the synthesis of spirocyclic indolenines, but the successful results obtained using ...
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STUDIES TOWARDS THE STEREOSELECTIVE SYNTHESIS OF (+)-SORDIDIN AND OXIMIDINE II
... Accordingly, retrosynthetic analysis revealed two key fragments macrolactone core 28 and enamide sidechain 29. Due to the unstability of enamide sidechain, we aimed first at the synthesis of macrolactone core 28, ...
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