Entries |
Document | Title | Date |
20100121040 | THERAPEUTIC AGENT FOR PAIN DISEASE - Disclosed is an analgesic agent for a non-inflammatory pain disease, which comprises a sialic acid or a pharmaceutically acceptable salt thereof as an active ingredient. The sialic acid which is an active ingredient for the agent has an analgesic effect on a disease model animal of neurogenic pain which is a non-inflammatory pain. Therefore, the analgesic agent is useful as a pharmaceutical agent for the treatment of a non-inflammatory pain disease such as a neurogenic pain disease, e.g. trigeminal neuralgia, postherpetic neuralgia, entrapment neuropathy, complex regional pain syndrome, diabetic neuropathy, traumatic neuropathy, phantom limb pain, central pain after spinal cord injury or stroke, and neuropathy caused by pharmacotherapy or radiation therapy, or the like. | 05-13-2010 |
20120232257 | Novel Method for Directly Nitration of OH-, SH-and NHR-Functions in Organic Molecules by Means of in Situ Generated Carbonic Acid Dinitrate - The invention relates to a nitration method having the following principles: a phosgene species is converted with two equivalent silver nitrates into a double-mixed anhydride of carbonic acid and nitric acid, known here as carbonic acid dinitrate (I). Said operation is carried out in situ, and the formed dinitrate decomposes spontaneously. In addition to carbon dioxide, nitrate ions and nitronium ions are formed, said ions comprising electrophiles which are necessary for nitration. The solution which is used is acetonitrile, and is insignificant if the alcohol species is dissolved or suspended. The necessary equivalent silver nitrates are introduced into the system and optionally heated or cooled to the desired temperature. Subsequently, the acid chloride is introduced slowly, drop by drop or slowly little by little. Phosgene, diphosgene, triphosgene and chloroformic acid ester can be used as carbonic acid dichloride and monochloride, and their thiocarbonic acid analogues. A brown colouration and precipitated silver chloride display the formation of the carbonic acid reactants, said brown colouration rapidly discolouring due to an immediate reaction of the nitronium ions with the substrate with is to be nitrated. Towards the end of the addition of phosgene, the brown colouration remains for longer and longer until it no longer disappears. Then, it is stirred for another hour at room temperature. In the event of high acid-sensitive educts, non-nucleophilic nitrogen bases such as DBU can be added to the system in order to intercept the formation of nitric acid. | 09-13-2012 |
20120309948 | CRYSTALLIZATION OF EPIRUBICIN HYDROCHLORIDE - A crystalline epirubicin hydrochloride and a method for its production are provided. The method for producing the crystalline epirubicin hydrochloride includes the steps: (a) providing epirubicin hydrochloride, (b) producing a mixture containing the provided epirubicin hydrochloride and at least one alcohol selected from the group 1-butanol, 2-butanol, and 1-pentanol, and (c) crystallizing epirubicin hydrochloride from this mixture. | 12-06-2012 |
20130261291 | EFFICIENT AND SCALABLE PROCESS FOR THE MANUFACTURE OF FONDAPARINUX SODIUM - The present invention relates to a process for the synthesis of the Factor Xa anticoagulent Fondaparinux and related compounds. The invention relates, in addition, to efficient and scalable processes for the synthesis of various intermediates useful in the synthesis of Fondaparinux and related compounds. | 10-03-2013 |
20130303741 | PROCESS FOR THE PREPARATION OF ENANTIOMERICALLY PURE AMINES - The present invention relates to an improved process for the preparation of (R)-1-aminoindan (2), rasagiline (1) and pharmaceutically acceptable salts of rasagiline. | 11-14-2013 |
20140323705 | MANUFACTURE OF LACTO-N-TETRAOSE - The present invention relates to the synthesis of the tetrasaccharide of formula (I) and novel intermediates used in the synthesis. | 10-30-2014 |
20140336369 | PROCESS FOR PREPARING HEPARINOIDS AND INTERMEDIATES USEFUL IN THE SYNTHESIS THEREOF - Processes are disclosed for the synthesis of the Factor Xa anticoagulant fondaparinux and related compounds. Protected pentasaccharide intermediates and efficient and scalable processes for the industrial scale production of fondaparinux sodium by conversion of the protected pentasaccharide intermediates via a sequence of deprotection and sulfonation reactions are provided. | 11-13-2014 |
20160024129 | SYNTHESIS OF NEW SIALOOLIGOSACCHARIDE DERIVATIVES - The invention relates to a method for the synthesis of compounds of general formula (1A) and salts thereof wherein one of the R groups is an α-sialyl moiety and the other is H, X | 01-28-2016 |
20160185812 | PROCESS FOR SYNTHESIZING HIGHLY OPTICALLY ACTIVE 1,3-DISUBSTITUTED ALLENES - The present invention relates to a process for efficiently synthesizing highly optically active 1,3-disubstituted allenes, i.e., a one-step process for preparing highly optically active 1,3-disubstituted allenes by using a functionalized terminal alkyne, an aldehyde and a chiral α,α-diphenyl prolinol as reactants under the catalysis of a divalent copper salt. The operation of the process is simple, and the raw materials and reagents are readily available. The process has a broad-spectrum of substrates and a good compatibility for a wide variety of functional groups such as glycosidic units, primary alcohols, secondary alcohols, tertiary alcohols, amides, malonates, etc., and does not require the protection for the functional groups. The obtained axially chiral allene has a moderate to high yield and a good diastereoselectivity or enantioselectivity. | 06-30-2016 |