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Artificial antigens. Synthesis of polyacrylamide copolymers containing 3-deoxy-D-manno-2-octulopyranosylonic acid (KDO) residues.
Radical copolymerization of the allyl glycosides with acrylamide afforded linear macromolecular antigens containing mono- and di-saccharide residues corresponding to the KDO-region of Salmonella minnesota rough-form lipopolysaccharid and to partial structures of the capsular polysaccharides from Escherichia coli K 23, respectively. Expand
Gas chromatographic analysis of fecal pollution sterols on a single combined packed column.
Various functional derivatives and isomers of progesterone are also well resolved by the column, which should find general application for the gas chromatographic analysis of mixtures of steroidal compounds of similar structure. Expand
Synthesis of allyl O-[sodium (α-d-glcero-d-talo-2-octulopyranosyl)onate]-(2 → 6)-2-acetamido-2-deoxy-β-d-glucopyranoside, a core constituent of the lipopolysaccharide from Acinetobacter calcoaceticus
Abstract Reaction of methyl 2,6-anhydro-2,3-dideoxy- d -manno-2-octenoate 1 with 3-chloroperoxybenzoic acid gave the 2,3-anhydro derivative 2, which was converted into the per-O-acetylated anomericExpand
A process for producing a cyclic diester of L-, D- and D, L-lactic acid
A process for production of L, L-, D, D-, D, L- or meso-dilactide, comprising the polycondensation and / or polytransesterification of L-, D- or D, L-lactic acid or esters thereof to higher molecularExpand
Synthesis of methyl 2-O-, 3-O-, and 5-O-β-d-ribofuranosyl-β-d-ribofuranoside via 1,2-O-cyanoethylidene derivatives of d-ribofuranose
Abstract Triphenylmethylium perchlorate-catalyzed glycosylation of 2-, 3- and 5-trityl ethers of methyl β- d -ribofuranoside by 1,2- O -cyanoethylidene derivatives of d -ribofuranose gave good yieldsExpand
Synthesis of allyl O-[sodium(alpha-D-glycero-D-talo-2- octulopyranosyl)onate]-(2-->6)-2-acetamido-2-deoxy-beta-D-glucopyranosi de, a core constituent of the lipopolysaccharide from Acinetobacter
Me3Si triflate-catalyzed orthoester rearrangement and removal of the protecting groups afforded sodium O-(methyl alpha-D-glycero- D-talo-2-octulopyranosid)onate and the disacchanide, allyl O-(2-->6)-2-acetamido- 2-deoxy-beta-D -gl ucopyranoside in high yield. Expand
sodium citrate anhydrous process for their preparation and their use as support material.
The invention relates to anhydrous sodium citrate, WITH INVARIABLE structure compared with a crystalline hydrated form, A process for their preparation and their use as BEARER OF SUBSTANCES inorganicExpand