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354,459 results
  • Synthesis, molecular modeling and anti-cancer evaluation of a series of quinazoline derivatives. [Journal Article]
    Carbohydr Res 2019; 486:107832Khodair AI, Alsafi MA, Nafie MS
  • Quinazolines were surveyed as biologically relevant moieties against different cancer cell lines, so in the present study, we analyzed novel derivatives as target-oriented chemotherapeutic anti-cancer drugs. A series of 3-substituted 2-thioxo-2,3-dihydro-1H-quinazolin-4-ones 4a-e were synthesized via the reaction of 2-aminobenzoic acid (1) with isothiocyanate derivatives 2a-e. S-alkylation and S-…
  • Prebiotic Oligosaccharides Prepared by Enzymatic Degradation of Dietary Fibers in Rice Grains. [Journal Article]
    J Nutr Sci Vitaminol (Tokyo) 2019; 65(Supplement):S143-S147Kyu MT, Dar B, … Matsuda T
  • Rice are consumed mainly as polished rice grains. In the threshing and polishing processes of paddy rice, a considerable amount of husk and bran are separated as by-products. Rice bran is utilized for oil production, whereas rice husk as well as straw is not fully utilized. Defatted rice bran is rich in proteins and non-digestible polysaccharides, while husk and straw consist mainly of plant cell…
  • Eco-efficient biphasic enzymatic hydrolysis for the green production of rare baohuoside I. [Journal Article]
    Enzyme Microb Technol 2019; 131:109431Shen Y, Wang M, … Jia X
  • Baohuoside I, a rare secondary glycoside from Epimedii Folium, has anti-osteoporosis and other pharmacological effects. In addition, it exhibits improved bioactivities compared with its original glycoside icariin. Conventional methods for the production of baohuoside I, such as acid hydrolysis, exhibit very low efficiency with serious pollution and substantial byproducts. The aim of this study wa…
  • Matsuda-Heck Arylation of Glycals for the stereoselective Synthesis of Aryl C-Glycosides. [Journal Article]
    J Org Chem 2019Otte F, Schmidt B
  • The MOM-protected glycal L-amicetal, synthesized de novo from L-ethyl lactate through tandem RCM-isomerization sequence, undergoes a highly trans-diastereoselective Heck-type coupling reaction with various arene diazonium salts to furnish 2,3-unsaturated aryl C-glycosides in moderate to excellent yields. The products can be further functionalized, e. g. by hydrogenation, epoxidation or dihydroxyl…
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