[PDF] Top 20 STUDIES TOWARDS THE SYNTHESIS OF BIO ACTIVE MOLECULES AND DEVELOPMENT OF NOVEL METHODOLOGIES
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STUDIES TOWARDS THE SYNTHESIS OF BIO ACTIVE MOLECULES AND DEVELOPMENT OF NOVEL METHODOLOGIES
... Cleavage of the 1, 2 isopropylidene acetal of 38 in refluxing 30 % aq AcOH provided the lactol 39, which was subjected to oxidative cleavage in CH 2 Cl 2 using sodium periodate furnishe[r] ... See full document
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Studies Directed Towards the Total Synthesis of Ionomycin and Development of Novel Methodologies
... Aziridines are carbon electrophiles capable of reacting with various nucloephiles and their ability to undergo regioselective ring opening contributes to their synthetic value. The nucleophilic ring-opeing of aziridines ... See full document
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STUDIES DIRECTED TOWARD THE SYNTHESIS OF CYCLAMENOL A AND DEVELOPMENT OF SOME NOVEL METHODOLOGIES
... the synthesis of many biologically active natural products ...paid towards lanthanide triflates as Lewis acids as they were quite stable to water, reusable and highly ... See full document
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STUDIES TOWARDS THE TOTAL SYNTHESIS OF (-)-HENNOXAZOLE A, ￡, ￢-UNSATURATED ￤-LACTONES AND DEVELOPMENT OF NOVEL METHODOLOGIES
... chemical synthesis touches upon our everyday lives in myriad ways, medicines, high-tech materials for computers, communication and transportation equipment, nutritional products, vitamins, plastics, clothing and ... See full document
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TOWARDS THE SYNTHESIS OF C15-C27 FRAGMENT OF VENTURICIDIN X, DENTICULATIN AND DEVELOPMENT OF NOVEL METHODOLOGIES
... Section A: Denticulatin A and B were first isolated in 1983 by Faulkner’s group from Siphonaria denticulata, collected from the coast of New South Wales, Australia. 7 Related polypropionate metabolites from pulmonate ... See full document
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TOTAL SYNTHESIS OF BIO ACTIVE NATURAL PRODUCTS AND DEVELOPMENT OF NEW SYNTHETIC METHODOLOGIES
... a novel alkyl-substituted nonenolide structurally related to a family of phytotoxins such as achaetolide, pinolidoxin, lethalotoxin, putaminoxins and microcarpolide, from which it differs in the hydroxylation ... See full document
11
STUDIES DIRECTED TOWARDS THE TOTAL SYNTHESIS OF FR-901464 AND DEVLOPMENT OF NOVEL SYNTHETIC METHODOLOGIES
... biologically active compounds as well as in natural ...the synthesis of drugs, pigments and pharmaceuticals, but also for the development of functional organic ... See full document
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DESIGN AND SYNTHESIS OF BIOLOGICALLY ACTIVE ARYL ALKANOIC ACID DERIVATIVES AND DEVELOPMENT OF NOVEL SYNTHETIC METHODOLOGIES
... the synthesis of arylacetic acids, - hydroxy arylacetic acid (mandelic acid) derivatives as well as their biological activity, and the novel routes for the synthesis of dihydropyrimidines (DHPMs) ... See full document
11
Formal Synthesis of Furanodictines, (-)-Varitriol and Development of Novel Synthetic Processes, Methodologies for Biologically Active Compounds
... for synthesis of other natural ...relationship studies of new anti-cancer agents especially combrestatins analogues and arylethylamine psychotropic recreational ... See full document
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STUDIES DIRECTED TOWARDS THE SYNTHESIS OF PYRANICIN AND DEVELOPMENT OF NEW SYNTHETIC METHODOLOGIES
... a novel member of the annonaceous acetogenin family of natural products, was isolated in 1997 by McLaugh-lin and co-workers from the stem bark of the Goniothalamusgiganteus tree native to ...400 molecules ... See full document
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TOTAL SYNTHESIS OF BIO-ACTIVE NATURAL PRODUCTS AND DEVELOPMENT OF NEW SYNTHETIC METHODOLOGIES
... The insect sex pheromone (3S,5R,6S)-3,5-dimethyl-6-isopropyl-3,4,5,6- tetrahydropyran-2-one secreted by Macrocentrus grandii, controls the population of European corn borer Ostrinia nubilalis, in an environmentally ... See full document
14
STRUCTURAL STUDIES ON LAMELLARIN ALKALOIDS, TOTAL SYNTHESIS OF PURPURAMINE-K AND DEVELOPMENT OF NOVEL SYNTHETIC METHODOLOGIES.
... evolutionary development has equipped many marine organisms with the appropriate mechanisms to survive in a hostile milieu in terms of extreme temperatures, changes in salinity and pressure, as well as overcoming ... See full document
6
STEREOSELECTIVE SYNTHESIS OF AMPHIDINOLIDE T1 AND DEVELOPMENT OF NOVEL METHODOLOGIES
... 3-hydroxyoxindole motif is a core structure in various biologically active molecules such as convolutamydines. This framework exists in proteasome inhibitors like TMC-95A/B. Furthermore, the ... See full document
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STUDIES DIRECTED TOWARDS TOTAL SYNTHESIS OF CONSTANOLACTONE A, B AND DEVELOPMENT OF NOVEL SYNTHETIC METHODOLOGIES
... 3g (Table-2) in 85% yield. In a similar fashion, aryl- N-tosyl aziridines reacted smoothly with acid anhydrides to afford the corresponding -amino acetates, benzoates and propionates. Furthermore, the treatment of ... See full document
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CHEMOENZYMATIC SYNTHESIS OF BIOLOGICALLY ACTIVE ENTITIES, SYNTHESIS OF BOTH THE STEREOISOMERS OF DIHYDROKAWAIN-5-OL AND DEVELOPMENT OF NOVEL SYNTHETIC METHODOLOGIES
... Racemic 46 was obtained as a pale yellow liquid by reaction of cinnamaldehyde 44 with the dianion of ethylacetoacetate 45. Racemic hydroxyl of 46 was resolved using lipases PS-C, PS-D and different acylating agents. ... See full document
15
Towards the synthesis of bio-active molecules: Amphidinolide X, (+)-Goniodiol, (−)-Pinellic acid, (+)-trans-Cognac lactone and (+)-trans-Aerangis lactone
... Aerangis lactones are natural fragrant molecules identified from the Aerangis species (native to Kenya and Tanzania). The cis and trans isomers were found to show a very pleasant odor, reminiscent both of the ... See full document
20
TOWARDS THE SYNTHESIS OF CAMPTOTHECIN ANALOGUES AND DEVELOPMENT OF NEW METHODOLOGIES
... The rapid heating of foodstuffs in microwave ovens is routinely used by a significant proportion of mankind. However people have recognized other potential applications for this method of heating and scientists engaged ... See full document
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DEVELOPMENT OF NOVEL SYNTHETIC METHODOLOGIES AND ITS APPLICATION TOWARDS THE TOTAL SYNTHESIS OF SCYTOPHYCIN-C
... are novel series of polyoxygenated 22-membered macrolides isolated from the cultured terrestrial blue-green algae Scytonema pseudohofmanni, first reported by Moore et al in ... See full document
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STUDIES DIRECTED TOWARDS THE TOTAL SYNTHESIS OF RADICICOL, (S)-ZEARALENONE AND DEVELOPMENT OF NEW SYNTHETIC METHODOLOGIES
... In conclusion, we have synthesized (S)-Zearalenone through the Mitsunobu esterification and ring-closing metathesis of acid 4 and alcohol 5. The stereochemistry in aliphatic fragment was established by Jacobsen ... See full document
17
Development of Novel Small Molecules for Combating Infectious Disease.
... All reagents used for chemical synthesis were purchased from commercially available sources and used without further purification. Chromatography was performed using 60 Å mesh standard grade silica gel from ... See full document
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