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Class 536/18.5 - Processes


Subclass of Class 536 - Organic compounds -- part of the class 532-570 series
Definition: Processes which are directed to the preparation, purification,
No. of patents: 662
Last issue date: 04/03/2012


                    17  
NumberTitleIssue Date
4495346Method of preparing a disaccharide
Novel disaccharides useful in preparing analogs of lipid A are prepared by first preparing novel precursors of the reducing and non-reducing moieties of the lipid A molecule and then catalytically coupling the precursors....
01/22/1985
4490523Mandelonitrile triacetyl glucuronate and process for preparing same
Mandelonitrile-ଲ-D-glucuronic acid can be produced by tritylating mandelonitrile-ଲ-D-glucoside, acetylating the obtained product, and then simultaneously detritylating and oxidizing in order to obtain mandelonitrile-ଲ-D-triacetyl glucuro...
12/25/1984
4487923Method of preparing 23-monoesters of OMT and DMT
An improved method of preparing 23-monoester derivatives of 5-O-mycaminosyl tylonolide (OMT) and demycinosyltylosin (DMT) is provided. This method comprises esterifying the antibiotic with an acylating agent in the presence of an external base, such as py...
12/11/1984
4484012Production of mannitol and higher manno-saccharide alcohols
A method for hydrolyzing coffee extraction residue materials to produce manno-saccharides having a degree of polymerization from 1 to 10 and subsequently neutralizing and reducing said mixture of manno-saccharides to their corresponding alcohols. The coff...
11/20/1984
4483979Polar solvent extraction of colored materials from alkylsaccharides under essentially anhydrous conditions
A process for removing colored materials from alkylpolysaccharides by extracting the colored materials with polar solvents under essentially anhydrous conditions....
11/20/1984
4470975Method and composition for the elimination of water from an animal body
It has been found that certain insoluble hydrophilic cross-linked polysaccharides are useful pharmaceutical agents in diverting water elimination from the renal route to the gastrointestinal route, and removing excess water from the body by the gastrointe...
09/11/1984
4465827Process for preparing high polymeric substance having saccharide side chains
Disclosed are novel high polymeric substances having saccharide side chains, suitable as a high polymeric material having several functions for medical treatments and a process for preparing thereof....
08/14/1984
4460767Process for production of sugar ketals
A process is disclosed for production of a sugar ketal, which comprises reacting a sugar with a ketone in the presence of (A) (1) copper, or an oxide, hydroxide or salt thereof and (2) hydrogen chloride or hydrogen bromide, or (B) cupric chloride or cupri...
07/17/1984
4440758Poly-cation salts of bis(or tris)[4-O-monohexose-oxy]-arylene sulfate derivatives
Poly-cation salts of bis(or tris)[4-O-monohexose-oxy]-arylene sulfate derivatives useful as modulators of the complement system, the intermediates thereof and the process of making such intermediates and products....
04/03/1984
4435563Process for the recovery of pure hellebrin
There is provided a process for the recovery of pure hellebrin which comprises extracting a defatted hellebrin extract dissolved in a water-alkanol mixture or water-acetone mixture with a mixture of a lower alkanol or acetone and di-, tri-, or tetrachloro...
03/06/1984
4435387Poly-cation salts of bis (or tris) 4-O-polyhexose-thio-arylene sulfate derivatives
Poly-cation salts of bis (or tris) 4-O-polyhexose-thio-arylene sulfate derivatives, useful as modulators of the complement system, the intermediates thereof and the process of making such intermediates and end products....
03/06/1984
4431636Bis(4-O-polyhexaose-thio)-phenyl ureas and method of use
Poly-cation salts of bis (4-O-polyhexaose-thio)-phenyl urea sulfate derivatives, useful as modulators of the complement system, the intermediates thereof and the process of making such intermediates and end products....
02/14/1984
4424348Methods of manufacture of nitrile-containing glucuronic acid conjugates
Mandelonitrile-ଲ-D-glucuronic acid is produced by condensing a mandelic amide with a tri-O-acetyl methyl ester of glucuronic acid and then reacting the product with acetic anhydride to produce the tri-O-acetyl methyl ester of mandelonitrile-ଲ-...
01/03/1984
4423211Process for the whole broth extraction of avermectin
A process for the whole broth extraction of avermectins wherein the pH of the whole broth is adjusted with mineral acid and then contacted with a solvent extractant so that the avermectic active component is taken up by the solvent. The now avermectin ric...
12/27/1983
4415731Process for the preparation of methyl 2,6-dideoxy-଱-D-arabino-hexopyranoside
Disclosed is a process for preparing methyl 2,6-dideoxy-଱-D-arabino-hexopyranoside from methyl 2-deoxy-଱-D-glucopyranoside....
11/15/1983
4413120Process for producing acosamine, daunosamine, 1-thioacosamine and related compounds
A process for synthesizing acosamine, daunosamine and 1-thioacosamines from L-rhamnal is disclosed that can generally be characterized by Michael addition of an alkoxide or thioalkoxide to the enone formed by allylic oxidation of L-rhamnal to directly gen...
11/01/1983
4264763Process for producing lactulose
The invention concerns a process for producing lactulose from lactose, wherein a saturated aqueous solution of lactose monohydrate is heated under reflux in the presence of an alkaline phosphite. The lactulose present in the solution obtained is purified ...
04/28/1981
4233439Glucopyranosido-1,6-mannitol, a process for producing the same and its use as a sugar substitute
Glucopyranosido-1,6-mannitol, represented by the formula: ##STR1## and a process for its preparation are provided. The glucopyranosido-1,6-mannitol is obtained by catalytically hydrogenating neutral aqueous solutions of isomaltulose and cooling the h...
11/11/1980
4172195Process for the separation and purification of oligo and polyhydroxy compounds and borate esters thereof
A process for the separation and/or purification of oligo- and polyhydroxy compounds by introducing and subsequently eliminating protective groups, wherein oligo- and polyhydroxy compounds are reacted with bis(ethyl-pivaloyloxy)-diboroxane or ethylboroxin...
10/23/1979
3951945Method for the preparation of esters of polyalcohols
A process for the preparation of carboxylic acid esters of linear aliphatic polyalcohols or of hydrophilic derivatives of these polyalcohols containing a minimal percentage of anhydrocompounds, the process comprising esterifying an aliphatic fatty acid ha...
04/20/1976
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