摘要:
Disclosed herein are crystalline compounds of formula (I), wherein A + represents a hydroxylated aliphatic ammonium species; and X and Y independently represent leaving groups.
摘要:
The invention relates to a method for the continuous production of an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound, selected from the group comprising ammonia, and primary and secondary amines, at a temperature of between 60 and 300°C, in the presence of a catalyst containing copper and aluminium oxide, wherein the reaction takes place in the gas phase and the catalytically active mass of the catalyst before the reduction thereof with hydrogen contains between 20 and 75 wt. % of aluminium oxide (AI 2 O 3 ), between 20 and 75 wt. % of oxygen-containing compounds of copper, as CuO, between 0 and 2 wt. % of oxygen-containing compounds of sodium, as Na 2 O, and less than 5 wt. % of oxygen-containing compounds of nickel, as NiO. The catalyst moulded body has a tablet shape with a diameter of between 1 and 4 mm and a height of between 1 and 4 mm.
摘要:
Methods and compositions for treating disease caused by infectious agents, particularly tuberculosis. In particular, methods and compositions comprising substituted ethylene diamines for the treatment of infectious diseases are provided. In one embodiment, these methods and compositions are used for the treatment of mycobacterial infections, including, but not limited to, tuberculosis.
摘要:
The present invention relates to compounds of formula (I) wherein Rl is as defined in the description and claims, and pharmaceutically acceptable salts thereof. The compounds are useful for the treatment and/or prophylaxis of diseases which are associated with DPP-IV, such as diabetes, particularly non-insulin dependent diabetes mellitus, and impaired glucose tolerance.
摘要:
A modified chain aliphatic polyamine composition obtainable by addition reaction of a chain aliphatic polyamine represented by the following formula (2)
H 2 N-(CH 2 CH 2 NH) n -CH 2 CH 2 NH 2 (2)
wherein "n" represents a number of 1 to 4, and styrene, wherein the molar number of modification of said chain aliphatic polyamine by said styrene satisfies the following mathematical formula (2): A 16 ≤ X ≤ A - 2 wherein "A" represents the number of active hydrogen atoms in said chain aliphatic polyamine and "X" represents the molar number of modification.
摘要:
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von N-Methyl-dialkylaminen durch Umsetzung von sekundären Dialkylaminen mit Formaldehyd bei einer Temperatur von 100 bis 200°C, wobei man je Mol sekundärem Dialkylamin 1,5 bis 3 Mol Formaldehyd einsetzt und das erhaltene Reaktionsprodukt entgast, die wässrige Phase abtrennt und die organische Phase destilliert.
摘要:
A modified chain aliphatic polyamine obtained by addition reaction of a chain aliphatic polyamine having a specific structure and an unsaturated hydrocarbon compound has a low viscosity and it provides, when used as a curing agent for epoxy resin, an epoxy resin composition which can provide an epoxy resin cured product having an excellent property. Further, a modified chain aliphatic polyamine composition obtained by addition reaction of a chain aliphatic polyamine having a specific structure and an unsaturated hydrocarbon compound followed by the removing step of unreacted chain aliphatic polyamine to reduce its amount less than 2% by weight provides, when used as a curing agent for epoxy resin, an epoxy resin composition which can provide an epoxy resin cured product having an excellent property.
摘要:
The invention concerns compounds of formula (I) wherein A, X, Y, n, R1, R2 and R3 are as defined in Claim 1. Said compounds are specifically binding to sigma receptors particularly those of the peripheral nervous system.
摘要:
The non-hydrated gapapentine polymorph is obtained by desiccating by atomization or turbodrying an aqueous solution of gabapentine; the invention also relates to its use in order to obtain gabapentine appropriate for pharmaceutical use; disclosed is a method which comprises subjecting the polymorph to a crystallization process in solvents.
摘要:
Zur kontinuierlichen Herstellung eines Gemisches aus Amino-methyl-cyclohexanen und Diamino-methyl-cyclohexanen durch katalytische Hydrierung von Diamino-toluolen mit Wasserstoff bei Temperaturen von 150 bis 260°C und einem H 2 -Druck von 20 bis 500 bar werden reduzierte trägerlose Katalysatoren eingesetzt, die aus verpreßten Pulvern von Kobalt-, Mangan-, Kupfer- und Erdalkalimetall-(hydr)oxiden mit einem oder ohne einen Gehalt von mindestens einem (Hydr)Oxid von Metallen der V. und/oder VI. Nebengruppe des Periodensystems der Elemente (Mendelejew) hergestellt werden.