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Influerce of chemical structure of nitroxyl spin labels on their reduction by ascorbic acid
Abstract The Influence of structure on the reduction of nitroxyl spin labels by ascorbic acid was examined using both piperidine and pyrrolidine nitroxyls. A five-fold molar excess of ascorbic acidExpand
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Minor diterpenoid glycosides from the leaves of Stevia rebaudiana
From the commercial extract of the leaves of Stevia rebaudiana, three new diterpenoid glycosides were isolated besides eight known steviol glycosides including stevioside, rebaudiosides A–F andExpand
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Solubility Enhancement of Steviol Glycosides and Characterization of Their Inclusion Complexes with Gamma-Cyclodextrin
Steviol glycosidesrebaudioside (reb) A, C and D have low aqueous solubilities. To improve their aqueous solubilities, inclusion complex of steviol glycosides, reb A, C and D and gamma cyclodextrinExpand
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Isolation and Structure Elucidation of Two Triterpene Acids from the Leaves of Perilla frutescens
Purification of the dichloromethane (CH2Cl2) fraction of the aqueous alcoholic extract of the leaves of Perilla frutescens resulted in the isolation of two triterpene acids namely corosolic acid andExpand
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Structures of the novel diterpene glycosides from Stevia rebaudiana.
From the commercial extract of the leaves of Stevia rebaudiana, two new diterpenoid glycosides were isolated besides the known steviol glycosides including stevioside, rebaudiosides A-F, rubusoside,Expand
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An Improved Synthesis of Ethyl Azodicarboxylate and 1,2,4-Triazoline-3,5-Diones Using Hypervalent Iodine Oxidation
Abstract ARSTRACT: Hypervalent iodine oxidstion of 1,2-dicarhethoxy hydrazine (1) and 4-substituted urazoles (3) using iodobenzene diacetate or pentafluoroiodobenzene bis-trifluoroacetate in CH2Cl2Expand
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Capture of electron-deficient species with aryl halides. New syntheses of hypervalent iodonium ylides
Les decompositions thermiques, catalytiques et photochimiques de divers azides en presence d'iodoarenes sont effectuees
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Crystal structure and physical characterization of neotame methanol solvate
The crystal structure of the methanol solvate (empirical formula: 2C20H30N2O5·3CH3OH) of a new dipeptide sweetener, neotame (N-(3,3-dimethylbutyl)-L-α-aspartyl-L-phenylalanine 1-methyl ester), hasExpand
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