51results about How to "Use in synthesis" patented technology

The present invention describes the preparation of carbon nanotubes of varied morphology, catalyst materials for their synthesis. The present invention also describes reactor apparatus and methods of optimizing and controlling process parameters for the manufacture carbon nanotubes with pre-determined morphologies in relatively high purity and in high yields. In particular, the present invention provides methods for the preparation of non-aligned carbon nanotubes with controllable morphologies, catalyst materials and methods for their manufacture.

A novel monomethyl malonate derivative is represented by following Formula (I):wherein X is a halogen atom; and Me is methyl group. This compound can be prepared by the steps of (A) reacting a benzyl halide derivative represented by following Formula (II):wherein X and Y may be the same as or different from each other and are each a halogen atom, with dimethyl malonate in the presence of a base to yield a dimethyl malonate derivative represented by following Formula (III):wherein X and Me have the same meanings as defined above; and (B) hydrolyzing the dimethyl malonate derivative of Formula (III). The compound is useful in the production of an indanonecarboxylic acid ester having a halogen atom on the indanone ring.

The present invention describes the preparation of carbon nanotubes of varied morphology, catalyst materials for their synthesis. The present invention also describes reactor apparatus and methods of optimizing and controlling process parameters for the manufacture carbon nanotubes with pre-determined morphologies in relatively high purity and in high yields. In particular, the present invention provides methods for the preparation of non-aligned carbon nanotubes with controllable morphologies, catalyst materials and methods for their manufacture.

The present invention relates to a new process for the preparation of compounds of general formula (I) which are inhibitors of purine nucleoside phosphorylases (PNP), purine phosphoribosyltransferases (PPRT), 5′-methylthioadenosine phosphorylases (MTAP), 5′-methylthioadenosine nucleosidases (MTAN) and / or nucleoside hydrolases (NH). The present invention relates to a new process for the preparation of compounds of general formula (I) which are inhibitors of purine nucleoside phosphorylases (PNP), purine phosphoribosyltransferases (PPRT), 5′-methylthioadenosine phosphorylases (MTAP), 5′-methylthioadenosine nucleosidases (MTAN) and / or nucleoside hydrolases (NH).

The present invention relates to a new process for the preparation of compounds of general formula (I) which are inhibitors of purine nucleoside phosphorylases (PNP), purine phosphoribosyltransferases (PPRT), 5′-methylthioadenosine phosphorylases (MTAP), 5′-methylthioadenosine nucleosidases (MTAN) and / or nucleoside hydrolases (NH). The present invention relates to a new process for the preparation of compounds of general formula (I) which are inhibitors of purine nucleoside phosphorylases (PNP), purine phosphoribosyltransferases (PPRT), 5′-methylthioadenosine phosphorylases (MTAP), 5′-methylthioadenosine nucleosidases (MTAN) and / or nucleoside hydrolases (NH).

The present invention relates to a novel linker based solid support, methods for generating the linker moiety on the solid support, and methods of using the supports to synthesize peptides and small molecule combinatorial library and the new solid support of this invention also comprises a functionalized linker covalently attached to the solid supports such as polystyrene.

Provided is a method capable of efficiently producing a compound having a superior HSD1 inhibitory action and a compound useful as a synthetic intermediate therefor, with superior achievability of asymmetric synthesis (i.e., superior selectivity), superior yield, superior safety and superior industrial workability at a low cost.A method of producing a compound represented by the following formula [8]:or a salt thereof, or a solvate thereof, from a compound represented by the following formula [2]:or a reactive derivative thereof, or a salt thereof, or a solvate thereof.

The present invention provide a compound represented by the following formula (1)wherein each symbol is as defined in the specification, or a salt thereof.The compound of the present invention and a salt thereof can preferentially induce production of IL-4, which is one kind of cytokines that control action of immunocytes. Therefore, it is useful for the prophylaxis or treatment of autoimmune diseases, infectious diseases and the like, and prophylaxis or treatment of diseases caused by functional promotion of Th1 cells.

Disclosed is an efficient and widely-applicable method for commercially producing a thioether compound or a thiol compound which is useful as a pharmaceutical compound or a production intermediate of it. Specifically disclosed is a method for producing a thioether compound represented by the general formula [I] below or a salt thereof. This method is characterized in that a compound represented by the following general formula [III]: [III] (wherein X represents a bromine atom, a chlorine atom or a trifluoromethylsulfonyloxy group, and ring A represents an aryl group or a heteroaryl ring group) or a salt thereof is reacted with a thiol compound represented by the following general formula [II]: [II] or a salt thereof in the presence of a palladium compound such as Pd2(dba)3, a base such as i-Pr2NEt and a phosphorus compound represented by the following formula [AA].