Browsing Anup Kumar Misra by Issue Date
Now showing items 1-20 of 20
-
Facile synthesis of a tetrasaccharide corresponding to the capsular polysaccharide of Streptococcus pneumoniae type 15B
(ARKAT USA INC, 2009)A convergent synthetic approach is presented for the straightforward synthesis of the tetrasaccharide fragment of the capsular polysaccharide of Streptococcus pneumoniae type 15B. Coupling of a disaccharide thioglycoside ... -
Odorless regioselctive ring opening of epoxides with S-alkylisothiouronium salts as masked thiols in water
(ARKAT USA INC, 2009)Opening of epoxides with various S-alkylisothiouronium salts as thiol equivalent in water has been carried out in excellent yield following an environmentally benign odorless reaction condition. Yields were excellent in ... -
Syntheses and evaluation of glucosyl aryl thiosemicarbazide and glucosyl thiosemicarbazone derivatives as antioxidant and anti-dyslipidemic agents
(PERGAMON-ELSEVIER SCIENCE, 2009-01-15)A series of N-per-O-acetyl-glucosyl arylthiosemicarbazide and thiosemicarbazone derivatives have been synthesized and evaluated for their in vivo anti-dyslipidemic and in vitro antioxidant activities. Among 16 compounds ... -
Total synthesis of a unique tetrasaccharide present in the human clotting factor IX and mammalian Notch 1 receptor
(PERGAMON-ELSEVIER SCIENCE, 2009-03-11)The Synthesis Of a unique tetrasaccharide linked to the serine 61 of human clotting factor IX through an alpha-L-fucose residue has been achieved for the first time in excellent yield. All glycosylation and protecting group ... -
Efficient Synthesis of Two Sialylated Tetrasaccharides Found in Goat Milk
(GEORG THIEME VERLAG KG, 2009-04-17)Two regioisomeric sialylated tetrasaccharides found in goat milk have been obtained in excellent yield by a concise synthesis using a common disaccharide intermediate. Regioselective glycosylations and a minimal number of ... -
First synthesis of a pentasaccharide repeating unit of the O-antigenic polysaccharide from enterohaemorrhagic Escherichia coli O48:H21
(PERGAMON-ELSEVIER SCIENCE, 2009-07-16)A concise synthesis of a pentasaccharide as its 4-methoxyphenyl glycoside, found in the O-antigenic polysaccharide of enterohaemorrhagic Escherichia coli O48:H21 has been achieved for the first time in excellent yield. ... -
Synthesis of a Trisaccharide and a Tetrasaccharide from the Cell-Wall Lipopolysaccharides of Azospirillum brasilense S17
(GEORG THIEME VERLAG KG, 2009-08-03)A trisaccharide containing a D-mannosamine moiety and a tetrasaccharide containing an L-rhamman chain that are found in the cell walls of Azospirillum brasilense S17 were synthesized concisely and in excellent yields. The ... -
Total synthesis of the heptasaccharide repeating unit of the iron-binding exopolysaccharide secreted by Klebsiella oxytoca BAS-10
(PERGAMON-ELSEVIER SCIENCE, 2009-08-12)The first total synthesis of a heptasaccharide found in the iron-binding exopolysaccharide produced by Klebsiella oxytoca BAS-10 has been achieved in excellent yield using a block synthetic strategy. A trisaccharide glycosyl ... -
Concise Synthesis of a Hexasaccharide Related to the Adhesin Receptor of Streptococcus oralis ATCC 55229
(TAYLOR & FRANCIS, 2009-09)A concise synthesis of a hexasaccharide related to the adhesin receptor of Streptococcus oralis ATCC 55229 (previously characterized as Streptococcus sanguis H1) has been achieved in excellent yield. A general glycosylation ... -
Synthesis of (6,6 ')-C-Linked Pseudodisaccharides
(TAYLOR & FRANCIS, 2009-11-25)A series of (6,6')-C-linked pseudodisaccharides has been prepared using a general synthetic strategy of olefin metathesis in the presence of Grubbs second-generation catalyst. Yields were excellent in every case. -
Synthesis of a tetrasaccharide corresponding to the teichoic acid from the cell wall of Streptomyces sp VKM Ac-2275
(PERGAMON-ELSEVIER SCIENCE, 2009-12-11)A concise chemical synthesis of a tetrasaccharide found in the teichoic acid from the cell wall of Streptomyces sp. VKM Ac-2275 was achieved in high yield. A [2+2] block synthetic strategy has been adopted for the construction ... -
Synthesis of Tri- and Disaccharide Fragments Related to the O-Antigen of Enteropathogenic Escherichia Coli O158
(TAYLOR & FRANCIS, 2010-01)Chemical synthesis of a tri- and a disaccharide related to the O-antigen of enteropathogenic E. coli O158 was achieved in high yield. In the disaccharide (2), one D-galactosamine unit is present in 1,2-cis-linked and the ... -
Synthesis of the Trisaccharide Repeat of the O-Antigen of Rhanella Aquatilis 1-95
(TAYLOR & FRANCIS, 2010-01)A branched trisaccharide containing D-fucose and D-galactofuranose moieties corresponding to the repeating unit of the O-antigen of Rahnella aquatilis 1-95 has been synthesized from the monosaccharide intermediates in a ... -
N-Bromosuccinimide-Mediated Conversion of Allyl Glycosides to Glycosyl Hemiacetals
(TAYLOR & FRANCIS, 2010-03)A novel reaction condition has been developed for the hydrolysis of differentially functionalized allyl glycosides to their corresponding glycosyl hemiacetal derivatives in the presence of N-bromosuccinimide (NBS). The ... -
Convergent synthesis of a common pentasaccharide-repeating unit corresponding to the O-specific polysaccharide of Escherichia coli O4:K3, O4:K6, and O4:K12
(PERGAMON-ELSEVIER SCIENCE, 2010-04-21)A convergent chemical synthesis of a pentasaccharide found in the O-specific polysaccharide of Escherichia coli O4:K3, O4:K6, and O4:K12 has been achieved in excellent yield. A [3+2] block synthetic strategy has been adopted ... -
Synthesis of penta- and hexasaccharide fragments corresponding to the O-antigen of Escherichia coli O150
(PERGAMON-ELSEVIER SCIENCE, 2010-09-08)The chemical synthesis of a pentasaccharide and a hexasaccharide corresponding to the O-antigen of Escherichia coli O150 has been achieved using sequential glycosylation and [3+3] block glycosylation strategies. Suitably ... -
Synthesis of tri- and pentasaccharide fragments corresponding to the O-antigen of Shigella boydii type 6
(PERGAMON-ELSEVIER SCIENCE, 2010-11-25)A convenient synthetic strategy for the synthesis of the acidic pentasaccharide repeating unit and its trisaccharide fragment corresponding to the O-antigen of Shigella boydii type 6 has been successfully developed A ... -
Synthesis of the hexasaccharide repeating unit corresponding to the cell wall lipopolysaccharide of Azospirillum irakense KBC1
(PERGAMON-ELSEVIER SCIENCE LTD, 2010-12-08)A convenient chemical synthesis of the hexasaccharide repeating unit of the cell wall lipopolysaccharide of Azospirillum irakense KBC1 has been successfully achieved. A stereo- and regioselective [4 + 2] block glycosylation ... -
Convergent synthesis of a common pentasaccharide corresponding to the O-antigen of Escherichia coli O168 and Shigella dysenteriae type 4
(SPRINGER, 2011-01-01)A convenient synthetic strategy of the common acidic pentasaccharide repeating unit corresponding to the O-antigen of enterotoxigenic E. coli O168 and Shigella dysenteriae type 4 has been successfully developed. A ... -
Efficient acylation and sulfation of carbohydrates using sulfamic acid, a mild, eco-friendly catalyst under organic solvent-free conditions
(ROYAL SOC CHEMISTRY, 2011-05)A fast and efficient acylation of carbohydrate derivatives and free sugars using a stoichiometric quantity of acylating agents in the presence of sulfamic acid, an environmentally benign catalyst, under organic solvent-free ...