Academic literature on the topic 'Synthesis, 2´, 3'- dideoxynucleozides, D-xylose'

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Journal articles on the topic "Synthesis, 2´, 3'- dideoxynucleozides, D-xylose"

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Sivets, Grigorii G., Franck Amblard, and Raymond F. Schinazi. "Synthesis of 2-fluoro-substituted and 2,6-modified purine 2′,3′-dideoxy-2′,3′-difluoro-d-arabinofuranosyl nucleosides from d-xylose." Tetrahedron 75, no. 13 (2019): 2037–46. http://dx.doi.org/10.1016/j.tet.2019.02.027.

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Tber, Bougrine, Noureddine Fahmi, Gino Ronco, Grahame Mackenzie, Pierre Villa, and Guy Ville. "Efficacious synthesis of pyrimidine 3'-azido-2'-deoxy-4'-thio nucleosides from D-xylose." Collection of Czechoslovak Chemical Communications 58, s1 (1993): 18–21. http://dx.doi.org/10.1135/cccc1993s018.

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Tber, Bougrine, Nour-Eddine Fahmi, Gino Ronco, Pierre Villa, David F. Ewing, and Grahame Mackenzie. "An alternative strategy for the synthesis of 3′-azido-2′,3′-dideoxy-4′-thionucleosides starting from d-xylose." Carbohydrate Research 267, no. 2 (1995): 203–15. http://dx.doi.org/10.1016/0008-6215(94)00296-r.

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Sutiono, Samuel, Bettina Siebers, and Volker Sieber. "Characterization of highly active 2-keto-3-deoxy-L-arabinonate and 2-keto-3-deoxy-D-xylonate dehydratases in terms of the biotransformation of hemicellulose sugars to chemicals." Applied Microbiology and Biotechnology 104, no. 16 (2020): 7023–35. http://dx.doi.org/10.1007/s00253-020-10742-5.

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Abstract2-keto-3-L-arabinonate dehydratase (L-KdpD) and 2-keto-3-D-xylonate dehydratase (D-KdpD) are the third enzymes in the Weimberg pathway catalyzing the dehydration of respective 2-keto-3-deoxy sugar acids (KDP) to α-ketoglutaric semialdehyde (KGSA). The Weimberg pathway has been explored recently with respect to the synthesis of chemicals from L-arabinose and D-xylose. However, only limited work has been done toward characterizing these two enzymes. In this work, several new L-KdpDs and D-KdpDs were cloned and heterologously expressed in Escherichia coli. Following kinetic characterizati
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TBER, B., N. E. FAHMI, G. RONCO, P. VILLA, D. F. EWING, and G. MACKENZIE. "ChemInform Abstract: An Alternative Strategy for the Synthesis of 3′-Azido-2′,3′-dideoxy-4′- thionucleosides Starting from D-Xylose." ChemInform 26, no. 29 (2010): no. http://dx.doi.org/10.1002/chin.199529297.

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Lajšic, Stevan, Gordana Cetkovic, Mirjana Popsavin, Velimir Popsavin, and Dušan Miljković. "Fischer Indole Synthesis with Selected 2,3-Dideoxy-D-glycero-aldopentose Derivatives. Conversion of D-Xylose to (2S)-3-(Indol-3-yl)propane-1,2-diol." Collection of Czechoslovak Chemical Communications 61, no. 2 (1996): 298–304. http://dx.doi.org/10.1135/cccc19960298.

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Two independent routes towards (2S)-3-(indol-3-yl)propane-1,2-diol (11) were achieved starting from 3,5-di-O-acetyl-1,2-O-cyclohexylidene-α-D-xylofuranose (1). Ethanethiolysis of 1 afforded acyclic diethyl dithioacetal 2 which was further O-deacetylated to give 3. Selective benzoylation of 3 gave 5-O-benzoyl derivative 4. Treatment of 4 with N-bromosuccinimide in methanol gave methyl furanoside 5 which was further desulfurized over Raney nickel to afford 6. An acid hydrolysis of 6 gave hemiacetal 7 which upon treatment with phenylhydrazine, according to standard Fischer indolization procedure,
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TSUDA, Yoshisuke, Yukihiro OKUNO, Minoru IWAKI, and Kimihiro KANEMITSU. "Regio- and stereo-selective transformation of glycosides to amino-glycosides. Practical synthesis of amino-sugars, 4-amino-4-deoxy-D-galactose, 4-amino-4-deoxy-L-arabinose, 3-amino-3-deoxy-D-allose, 3-amino-3-deoxy-D-glucose, 3-amino-3-deoxy-D-ribose, 3-amino-3-deoxy-D-xylose, 2-amino-2-deoxy-D-mannose, and 5-amino-5-deoxy-D-glucose (nojirimycin)." CHEMICAL & PHARMACEUTICAL BULLETIN 37, no. 10 (1989): 2673–78. http://dx.doi.org/10.1248/cpb.37.2673.

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Van der Borght, Jef, Chao Chen, Lieve Hoflack, Lucas Van Renterghem, Tom Desmet, and Wim Soetaert. "Enzymatic Properties and Substrate Specificity of the Trehalose Phosphorylase from Caldanaerobacter subterraneus." Applied and Environmental Microbiology 77, no. 19 (2011): 6939–44. http://dx.doi.org/10.1128/aem.05190-11.

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ABSTRACTA putative glycoside phosphorylase fromCaldanaerobacter subterraneussubsp.pacificuswas recombinantly expressed inEscherichia coli, after codon optimization and chemical synthesis of the encoding gene. The enzyme was purified by His tag chromatography and was found to be specifically active toward trehalose, with an optimal temperature of 80°C. In addition, no loss of activity could be detected after 1 h of incubation at 65°C, which means that it is the most stable trehalose phosphorylase reported so far. The substrate specificity was investigated in detail by measuring the relative act
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McAllan, A. B., J. E. Cockburn, A. P. Williams, and R. H. Smith. "The degradation of different protein supplements in the rumen of steers and the effects of these supplements on carbohydrate digestion." British Journal of Nutrition 60, no. 3 (1988): 669–82. http://dx.doi.org/10.1079/bjn19880136.

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1. Four steers with simple rumen and abomasal cannulas were given diets consisting of ground and pelleted alkali-treated straw, rolled barley and tapioca supplemented with urea (diet U) or containing single-cell protein (diet SCP), maize-gluten meal (diet MGM) or rapeseed meal (diet RSM) in place of some of the tapioca. The isoenergetic diets were given in a 4 x 4 Latin square design in eight feeds/d at 3-h intervals and provided sufficient metabolizable energy to support a growth rate of approximately 0.5 kg/d. Chromic oxide and polyethylene glycol were given as markers and appropriate sample
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Ysart, G. E., and R. M. Mason. "Serum factors, growth factors and UDP-sugar metabolism in bovine articular cartilage chondrocytes." Biochemical Journal 303, no. 3 (1994): 713–21. http://dx.doi.org/10.1042/bj3030713.

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1. The effect of different batches of fetal bovine serum and of growth factors on [35S]sulphate incorporation into glycosaminoglycans and on UDP-sugar pools in explant cultures of bovine articular cartilage was investigated. 2. [35S]Sulphate incorporation was variably stimulated between 1.2- and 3.5-fold by four different batches of serum. The UDP-glucuronate pool size expanded 4.3-6.5-fold in the presence of serum, even in those cultures in which little stimulation of [35S]sulphate incorporation occurred. The UDP-N-acetylhexosamine and UDP-hexose pools expanded by about 1.5- and 2.0-fold resp
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Dissertations / Theses on the topic "Synthesis, 2´, 3'- dideoxynucleozides, D-xylose"

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Gordana, Ćetković. "Sinteza 2',3'- dideoksinukleozida." Phd thesis, Univerzitet u Novom Sadu, Tehnološki fakultet Novi Sad, 1998. https://www.cris.uns.ac.rs/record.jsf?recordId=71445&source=NDLTD&language=en.

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U radu je ostvarena vi&scaron;efazna transformacija D-ksiloze u pogodno funkcionalizovane derivate koji su kuplovanjem sa siliranim timinom selektivno dali nukleozide sa beta-konfiguracijom na anomernom centru. Takođe, u cilju sinteze nukleozida L-serije, ispitana je mogućnost izomerizacije nekih derivata D-&scaron;ečera u odgovarajuće L-stereoizomere.<br>Muitistep transformation of D-xylose to suitabte functional derivatives were achieved. Coupling of these derivatives with silylated thymine gave the nucleosides with beta-configuration on anomeric centre. In order to synthesis nucleosides of
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