| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 560024000 |
Carbamic acid
| 69 |
| 560037000 |
The nitrogen is not bonded directly to a ring
| 41 |
| 560020000 |
Nitro bonded to carbon in acid moiety
| 11 |
| 560045000 |
Oxy in acid moiety
| 10 |
| 560043000 |
The nitrogen is bonded directly to a ring and is in same side chain as ester function
| 8 |
| 560035000 |
Amidine, azomethine, ketimine or oxime in acid moiety | 5 |
| 20090177005 | Method For Producing 2-(chloromethyl)penylacetic acid derivatives - A process for preparing 2-(chloromethyl)phenylacetic acid derivatives of the formula I, | 07-09-2009 |
| 20100298593 | METHOXYIMINO COMPOUNDS AND FUNGICIDE COMPOSITION COMPRISING SAME - The present invention provides a methoxyimino compound, and a fungicide composition comprising same as an active ingredient. The methoxyimino compound of the present invention, which has an excellent antifungal activity against a wide spectrum of fungi even at a low application rate, can be used to protect various crops. | 11-25-2010 |
| 20110152562 | OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY AND PROCESS FOR PRODUCING a-AMINO ACID AND DERIVATIVE THEREOF WITH THE SAME - The present invention provides a compound of the following formula (I) below. This compound (I) can be produced by reacting a 2,2′-dimethylene bromide-1,1′-binaphthyl derivative, which can be produced by a relatively small number of processes, with an easily available secondary amine. This compound (I) is useful as a chiral phase-transfer catalyst. | 06-23-2011 |
| 20120095252 | OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY, AND METHOD FOR PRODUCING ALPHA-AMINO ACID AND DERIVATIVE THEREOF BY USING THE SAME - The present invention discloses an optically active quarternary ammonium salt having axial asymmetry and a method for producing an α-amino acid and a derivative thereof using the same. The optically active quarternary ammonium salt having axial asymmetry of the present invention is a chiral phase-transfer catalyst that has a simple structure and that can be produced in a smaller number of process steps. The compound of the present invention is very useful as a phase-transfer catalyst in the synthesis of an α-alkyl-α-amino acid and a derivative thereof as well as an α,α-dialkyl-α-amino acid and a derivative thereof. Therefore, the compound of the present invention can be used in the development of novel foods and pharmaceuticals. | 04-19-2012 |
| 20120277459 | PROCESS FOR PREPARING CREATINE AMIDES - The invention relates to the field of pharmaceutical chemistry, specifically to processes for preparing biologically active substances (BAS), in particular creatine amides. What is proposed is a process for preparing creatine amides which comprises treating creatine with para-toluenesulfonic acid in an organic solvent with subsequent reaction of the resultant complex with compounds comprising a primary or secondary amino group in the presence of a condensing agent and a base which are introduced subsequently. The claimed process makes it possible to increase the yield of the end product by 2-5 times in comparison with analogs and also to extend the range of the compounds prepared. | 11-01-2012 |
| 560048000 |
Plural rings in acid moiety with nitrogen bonded directly to at least one of the rings | 2 |
| 20120130116 | METHOD FOR PRODUCING OPTICALLY ACTIVE 1-AMINO-2-VINYLCYCLOPROPANECARBOXYLIC ACID ESTER - 1-Amino-2-vinylcyclopropanecarboxylic acid ester, which is useful as a synthetic intermediate of pharmaceuticals, can be produced by a process of producing 1-amino-2-vinylcyclopropanecarboxylic acid ester represented by formula (4): | 05-24-2012 |
| 20130217910 | PROCESS FOR THE PREPARATION OF SUBSTITUTED N-(BENZYL)CYCLOPROPANAMINES BY IMINE HYDROGENATION - The present invention relates to a process for the preparation of substituted N-(benzyl)cyclopropanamines of the general formula (II) starting from N-[(aryl)methylene]cyclopropanamine derivatives. The present invention further provides the N-[(arypmethylene]cyclopropanamine derivatives used as starting compounds in this process according to the invention, and their use for the preparation of substituted N (benzyl)cyclopropanamines. | 08-22-2013 |
| 560047000 |
Halogen in acid moiety | 2 |
| 20120041224 | Process For The Iodination Of Aromatic Compounds - The present invention relates to a process for the preparation of iodinated anilines; in particular, it relates to a process including the direct iodination, with suitably activated iodine, of 3,5-disubstituted anilines to the corresponding 3,5-disubstituted-2,4,6-triiodoanilines, which are useful intermediates for the synthesis of x-ray contrast media, and to the preparation of the contrast media themselves. | 02-16-2012 |
| 20120088926 | PROCESS FOR THE PREPARATION OF A IODINATING AGEN - The present invention describes a process for the synthesis of a iodinating agent, being said iodinating agent iodine chloride (ICI.) In particular, the present invention relates to a process for the electrochemical preparation of ICI, as a useful iodinating agent in the preparation of iodinated organic compounds for use as contrast agents or their precursors in the synthesis of the same. | 04-12-2012 |
| 560036000 |
Plural rings bonded directly to the same cyclic carbon in acid moiety | 1 |
| 20130310595 | Method for Producing 4-Oxoquinoline Compound - The present invention provides a compound useful as a synthetic intermediate for an anti-HIV agent having an integrase inhibitory activity, and a production method thereof, and a production method of an anti-HIV agent using the synthetic intermediate. Specifically, for example, a compound represented by the formula (2′): | 11-21-2013 |
| Entries |
| Document | Title | Date |
|---|
| 20080249329 | Process For Esterification Of An Organic Acid - The invention relates to a sulphonic acid salt of an amino acid alkyl ester The invention further relates to a process for the esterification of an organic acid into the corresponding organic acid ester comprising bringing the organic acid into contact with a strong acid and a solution comprising dialkylcarbonate in a reaction mixture. The invention further relates to the use of a sulphonic acid salt of an amino acid alkyl ester in the synthesis of a β-lactam antibiotic. | 10-09-2008 |
| 20090030226 | Process For Preparing Aminobenzoate Esters - The present invention herein provides a process for making an aminobenzoate ester of an alcoholic organic compound. In one aspect, there is provided a process for making an aminobenzoate ester comprising the steps of: (a) providing a reaction mixture comprising an alkyl aminobenzoate, an alcohol reagent and a suitable transesterification catalyst; (b) introducing an auxilliary alcohol to the reaction mixture; and (c) exposing the reaction mixture to conditions effective to provide an end-product mixture comprising the aminobenzoate ester. | 01-29-2009 |
| 20100204505 | METHODS FOR PRODUCING PHENYLALANINE DERIVATIVES HAVING A QUINAZOLINEDIONE SKELETON AND INTERMEDIATES FOR PRODUCTION THEREOF - The present invention provides a method for producing a phenylalanine derivative(s) having a quinazolinedione ring of formula (5), including steps comprising of reacting an acylphenylalanine derivative(s) of formula (1) with a carbonyl group-introducing reagent(s) and a derivative(s) of anthranilic acid to form an asymmetric urea intermediate(s); making the asymmetric urea intermediate(s) into a quinazolinedione compound(s) of formula (4) in the presence of a base(s); and N-alkylating quinazolinedione ring amide of the obtained quinazolinedione compounds with N-alkylation agents. This production method is an industrially applicable method for producing phenylalanine derivatives having a quinazolinedione skeleton, which are compounds highly useful as drugs having α 4 integrin inhibiting activity. In the formulae (1) and (5), R1 represents a phenyl group having a substituent(s) and the like, R2 represents an alkyl group and the like, R3 represents a dialkylamino group and the like, and R4 represents an alkyl group and the like. | 08-12-2010 |
| 20140163251 | PRODRUG OF AN ANTI-INFLAMMATORY ACTIVE INGREDIENT - A process for the preparation of a prodrug of 5-aminosalicylic acid, namely 2-butanoyloxy-5-amino-benzoic acid,and solid forms of such compound are described. | 06-12-2014 |
