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Class 544/228 - Purine containing (including hydrogenated)


Subclass of Class 544 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain a purine nucleus of the following
No. of patents: 14
Last issue date: 07/19/2005


NumberTitleIssue Date
6919449Process for the preparation of cephalosporin intermediate and its use for the manufacture of cephalosporin compounds
The present invention relates to a method for the preparation of cephalosporin antibiotic of the formula (II), which comprises hydrolyzing and halogenating the ester of formula (III) by photochemical irradiation in one...
07/19/2005
67341432-methoxyimino-2(pyridinyloxymethyl)phenyl acetamides useful as fungicides
The present invention provides 2-methoxyimino-2-(pyridinyloxymethyl) phenyl acetamides according to formula (I) as well as their use as fungicidal compounds. ...
05/11/2004
6531484Pyrrolidine modulators of CCR5 chemokine receptor activity
Pyrrolidine compounds of Formula I: ##STR1## (wherein R1, R2, R3, R4, R5, R6, R7, R8a, R8b, j, k, 1, m, and n are defined herein) are described. The compoun...
03/11/2003
6384215Preparation of new intermediates and their use in manufacturing of cephalosporin compounds
The present invention provides new thioester derivatives of 4-halogeno-2-methoxyimino-3-oxo-butyric acid of the general formula (I), also, the invention provides a method by which the said thioester derivatives can be prepared by reacting 4-halogeno-...
05/07/2002
6136827Cyclic amine modulations of chemokine receptor activity
The present invention is directed to cyclic amines of the formula I: ##STR1## (wherein R1, R2, R3, m and n are defined herein) which are useful as modulators of chemokine receptor activity. In particular, these compou...
10/24/2000
5955501Protein kinase C modulators O
Compounds having anti-inflammatory and other activities are disclosed. The compounds are derived from phorboids of the diterpene- and benzolactam-classes....
09/21/1999
5770591Bis-platinum complexes as chemotherapeutic agents
A bis(platinum) complex having the structure: ##STR1## wherein X, Y, Z, X', Y', and Z' are the same or different ligands and are halide, sulphate, phosphate, nitrate, carboxylate, substituted carboxylate, dicarboxylate, substituted dicarboxylate prim...
06/23/1998
5728691Quinolonylcarboxamidocephalosporin derivatives and pharmaceutical compositions containing them
Derivatives of 7-aminoceph-3-em-4-carboxylic acid with 6-fluoroquinolone derivatives in which the cephem and 6-fluoroquinolone moieties are bound to each other through a carboxamido bond as well as the pharmaceutical compositions containing them are descr...
03/17/1998
5506243Sulfonamide derivatives
Since sulfonamide derivatives of the present invention show strong inhibitory activity against cysteine protease such as calpain papain, cathepsin B, cathepsin H, cathepsin L, they can be used as remedies for muscular dystrophy, cataract, myocardial infar...
04/09/1996
4908452Process for preparing nitriles
A facile and mild process for the preparation of nitriles from reagent sensitive primary carboxamides is described. The process utilizes a (carboxysulfamoyl)ammonium hydroxide compound as the dehydrating agent. It is useful for preparing nitriles which ha...
03/13/1990
47162321-(vinyl phosphonate adduct) pyrazolidinones
1-(Vinyl phosphonate adduct) pyrazolidinones are intermediates to bicyclic pyrazolidinone antimicrobial compounds....
12/29/1987
4659857Insecticidal cinnamamide compounds and method for controlling insects therewith
The present invention relates to novel cinnamamide compounds and a process for the preparation thereof. The compounds of the invention are useful for controlling insects and acarina....
04/21/1987
4404302Acylated hindered hexahydropyrimidines and their use as light stabilizing agents
An acylated, hindered hexahydropyrimidine of the formula ##STR1## wherein R1, R2, R3 and R4 may be the same or different independently of each other and are alkyl having 1 to 6 carbon atoms, when unsubstitu...
09/13/1983
4388326Phenyl hydroxypropyl sulfoxide enzyme inhibitors
Organic sulfoxides having a latent allyl group bound to the sulfur are enzyme inhibitors of the suicide or Kcat type....
06/14/1983
 
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