U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 548/309.1 - Chalcogen bonded directly to the benzene ring of the bicyclo ring system


Subclass of Class 548 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium,
No. of patents: 53
Last issue date: 11/28/2006


1    
NumberTitleIssue Date
7141594Heterocyclecarbonyl amino acid hydroxyethylamino sulfonamide retroviral protease inhibitors
Selected heterocyclecarbonyl amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, more particula...
11/28/2006
6927036Methods for synthesis of prodrugs from 1-acyl-alkyl derivatives and compositions thereof
Disclosed is a method for synthesizing 1-(acyloxy)-alkyl derivatives of primary or secondary amine drugs from 1-acyl-alkyl derivatives of primary or secondary amine drugs, which typically proceeds stereospecifically, in high yield, does not require the use of activa...
08/09/2005
6673822Heterocyclecarbonyl amino acid hydroxyethylamino sulfonamide retroviral protease inhibitors
Selected heterocyclecarbonyl amino acid hydroxyethylamino sulfonamide compounds are effective as retroviral protease inhibitors, and in particular as inhibitors of HIV protease. The present invention relates to such retroviral protease inhibitors and, mor...
01/06/2004
6645950Benzimidazole vascular damaging agents
Vascular damaging agents composed of substituted 5(6)-substituted benzimidazole-2-carbamates are provided. These agents are useful in the preparation of medicaments for the treatment of diseases involving neovascularisation, particularly for the treatment...
11/11/2003
6613743Sulfonamide inhibitors of aspartyl protease
The present invention relates to a novel class of sulfonamides of formula I which are aspartyl protease inhibitors. In one embodiment, this invention relates to a novel class of HIV aspartyl protease inhibitors characterized by specific structural and phy...
09/02/2003
6562964Heterocyclic compounds as inhibitors of rotamase enzymes
Compounds of the formula (I): ##STR1## wherein A, Y, R, X, R1, R2, R3 and R4 are as defined above are inhibitors of rotamase enzymes in particular FKBP-12 and FKBP-52. The compounds therefore moderate neuronal r...
05/13/2003
6482843Compounds and methods for use thereof in the treatment of cancer or viral infections
Benzimidazole derivatives and salts and prodrugs thereof are disclosed, together with methods for the treatment of cancers or viral infections in warm blooded animals by administration of these compounds. Such compounds may be used in combination with a c...
11/19/2002
5919792Integrin antagonists
This invention relates to certain novel compounds and derivatives thereof, their synthesis, and their use as vitronectin receptor antagonists. The vitronectin receptor antagonist compounds of the present invention are ଱v댣 antagonists, ଱...
07/06/1999
5821242Anti-viral compounds
The present application provides a series of benzimidazole compounds which inhibit the growth of picornaviruses, such as rhinoviruses, enteroviruses, polioviruses, coxsackieviruses of the A and B groups, echo virus and Mengo virus and flaviviruses such as...
10/13/1998
5693661Anti-viral compounds
Certain vinyl acetylene benzimidazole compounds which inhibit the growth of picornaviruses, such as rhinoviruses, enteroviruses, cardioviruses, polioviruses, coxsackieviruses of the A and B groups, echo virus and Mengo virus....
12/02/1997
5475005Benzimidazole anthelmintic agents
Benzimidazole anthelmintic agents of the formula (I) and their non-toxic salts, wherein R1, which is in the 5(6)-position, is either H or certain stated substituents, "alk" is a methylene or ethylene group; R2 is cyano, C1...
12/12/1995
5459155Benzimidazole anthelmintic agents
This invention is directed to anthelmintic benzimidazole compounds of formula (IA) or (IB) ##STR1## or non-toxic salts thereof, wherein R, which in the compounds (IA) is in the 5- or 6- position, is H, benzoyl, styryl, phenyloxy, phenylthio, phe...
10/17/1995
5304604Hydroxamic acid collagenase inhibotors
Compounds of general formula I: ##STR1## wherein: R1 represents a hydrogen atom or a C1 -C6 alkyl, C1 -C6 alkenyl, phenyl, phenyl(C1 -C6)alkyl, C1 -C6 ...
04/19/1994
5023337Chemical process for the preparation of pharmaceutically active compounds
The present invention is directed to the preparation of benzimidazole derivatives of the formula (I), ##STR1## wherein A=stands for S, SO or SO2, R1 =stands for C1-4 alkyl group, R2 =stands for C1-4 a...
06/11/1991
4948891Benzamide protease inhibitors
Compounds of the formula ##STR1## where Het is a heterocyclic group, n is an integer of 0 to 2 and R1 is hydrogen or lower alkyl are protease inhibitors useful as anti-plasmin and anti-thrombin agents....
08/14/1990
4940800Beazimidazole compounds active as inhibitors of the cholesterol biosynthesis
The compounds of formula ##STR1## wherein R, R1, R2, R3, and R4 have the meanings given in the specification, are described. The compounds of formula I are active as inhibitors of the enzyme HMG-CoA reducta...
07/10/1990
4874864Benzamide protease inhibitors
Compounds of the formula ##STR1## where HET is a heterocyclic group, n is an integer of 0 to 2 and R1 is hydrogen or lower alkyl are protease inhibitors use as anti-plasmin and anti-thrombin agents....
10/17/1989
4675413Process for the preparation of benzimidazole-thiol
A new process is disclosed for preparing a compound of the formula (I) ##STR1## wherein R is C1 to C5 alkyl; which comprises reducing a compound of the formula (II) ##STR2## or salt thereof wherein A is --SO2 X, ...
06/23/1987
4656290Process for preparing thio, dithio or carbonyl compounds
A process is disclosed for the preparation of compounds of the Formula I wherein X is thio, dithio or carbonyl and R and R1 are defined hereinbelow which comprises reducing a compound of the Formula II wherein A is chlorosulfonyl or a group of the Formul...
04/07/1987
4639463Substituted phenylsulfonyloxybenzimidazolecarbamates and anthelmintic compositions
New phenylsulfonyloxybenzimidazolecarbamates of the formula ##STR1## are described, as are processes for their preparation. The new compounds have anthelmintic activity, including, in particular, against liver flukes....
01/27/1987
4628087Process for the preparation of pharmacologically active compounds containing a sulfoxide group
Process for the preparation of pharmacologically active compounds containing a sulfoxide group by oxidation of a thioether with hypochlorite in an alkaline medium at a pH higher than 10 and at a temperature comprised between 0° and 40° C....
12/09/1986
4599428Process for the preparation of 5(6)-thio substituted benzimidazoles
A process is disclosed for the preparation of a compound of the formula (XI) ##STR1## or a salt thereof, wherein R1 is hydrogen, halogen, C1 to C4 alkyl, C1 to C3 alkoxy, or trifluoromethyl; R
07/08/1986
4487936Preparation of alkylthiobenzimidazoles
The invention concerns a new process for the preparation of biologically active 2-[(alkoxycarbonyl)amino]-5-(alkylthio)-1H-benzimidazoles of the formula (V) ##STR1## wherein R and R1 independently stand for alkyl having 1 to 3 carbon ...
12/11/1984
4473697Production of thiocyanato benzimidazoles
A new process is disclosed for the preparation of a compound of the formula (VIII) ##STR1## wherein R1 is hydrogen, halogen, C1-4 alkyl, C1-3 alkoxy, or trifluoromethyl; R5 is amino or C1-4 alkox...
09/25/1984
4454065Oligopeptide prodrugs
Prodrugs are described whose structures have a oligopeptide chain which is substituted by a nucleophilic chemotherapeutic residue at the ଱-position. The products have increased cell membrane permeability and beneficial physico-chemical properties....
06/12/1984
4420487Diuretic and antihypertensive benzimidazoles
The invention relates to compounds which exhibit diuretic and antihypertensive properties and have the following structures: ##STR1## or pharmaceutically acceptable salts thereof, wherein: X=halogen or trifluoromethyl Y1 and Y2 ...
12/13/1983
4368328Process for preparing alkylthiobenzimidazoles
The invention concerns a new process for the preparation of biologically active 2-[(alkoxycarbonyl)amino]-5-(alkylthio)-1H-benzimidazoles of the general formula (V) ##STR1## wherein R and R1 independently stand for alkyl having 1 to 3 carb...
01/11/1983
43036665-Phenylseleno-2-benzimidazole carbamates
The invention relates to novel 5-phenylseleno-2-benzimidazolecarbamate derivatives, for example methyl 5-phenylseleno-2-benzimidazole-carbamate, which possess useful anthelmintic and/or fasciolicidal activity, and processes for the manufacture of the nove...
12/01/1981
4299837Anthelmintic benzimidazole-carbamates
Benzimidazole-carbamates endowed wth anthelmintic activity, and substituted in position 5(6) by a diene chain bound to the position 5(6) by an oxygen or sulphur atom optionally oxidized, are described. The processes for their preparation, the intermediates the...
11/10/1981
4287199Benzimidazolylcarbamic acid esters substituted on the benzenoid nucleus by an oxy or thio substituent
The invention relates to 2-benzimidazolylcarbamic acid esters, substituted on the benzenoid nucleus by an aminoalkoxy, aminoalkylthio, an aminoalkylsulphinyl or an aminoalkylsulphonyl grouping. The invention also includes methods for making the compounds ...
09/01/1981
4259344Sulfur-containing benzimidazole derivatives
A process for the preparation of anthelmintic compounds of the formula: ##STR1## wherein R1 is hydrogen or --COOR; R5 is C1 to C4 alkyl; R2 is halogen, alkyl, trifluoromethyl, alkoxy, aryloxy, or aralkoxy;...
03/31/1981
42581985-Cycloalkyl thio- and oxy-2-carbalkoxyaminobenzimidazoles
New anthelmintic compounds, compositions and methods of use are described utilizing 5-cycloalkylthio and oxy-2-carbalkoxyaminobenzimidazole. Methods of preparation involve the reaction of 4-cycloalkylthio- or oxy-o-phenylenediamine with methyl cyanocarbam...
03/24/1981
4182893Anthelmintic benzimidazol-carbamates
Benzimidazol(2)methylcarbamates substituted in position 5(6) are disclosed, together with a method for preparing them, and use thereof in suitable form for combatting intestinal, pulmonary and hepatic parasites, particularly Helminthes, in animals....
01/08/1980
4174400Anthelmintic benzimidazoles
Benzimidazole compounds are disclosed which are substituted at the 2-position with a loweralkoxy carbonylamino group and at the 5-position with a halogenated loweralkenyl group or a halogenated loweralkoxy, loweralkylthio, loweralkylsulfinyl or loweralkyl...
11/13/1979
4167569Pyrimido[1,2-a ]benzimidazole derivatives
The invention concerns 3,4-dihydropyrimido [1,2-a]benzimidazole derivatives bearing one or more substituents at positions 6, 7, 8 or 9; processes for their preparation and manufacture; and pharmaceutical compositions thereof. The compounds inhibit the agg...
09/11/1979
4156006Vinyl sulfide derivatives of benzimidazoles
Vinyl sulfide derivatives of benzimidazoles are provided having the structure ##STR1## wherein R is lower alkyl or phenyl-lower alkyl, R1 is lower alkyl, R2 is hydrogen or lower alkyl, or R1 and R2 may be t...
05/22/1979
4152522Process for the preparation of 2-benzimidazole carbamates
A process for preparing 2-benzimidazole carbamate compounds by condensing an alkyl cyano carbamate with an o-phenylenediamine produced by reacting an ortho-nitro-aniline with thiocyanogen followed by replacement of the cyanide with an alkyl group and then...
05/01/1979
4145431Method of treating helminthiasis by parenteral administration of sulfide- and sulfoxide-derivatives of benzimidazoles
A method is provided for treating or inhibiting helminthiasis by parenterally or topically administering sulfide or sulfoxide derivatives of benzimidazoles having the structure ##STR1## wherein R1 is lower alkyl or phenyl-lower alkyl, R
03/20/1979
4145433Method of treating helminthiasis by parenteral administration of sulfoxide derivatives of benzimidazoles
A method is provided for treating or inhibiting helminthiasis by parenterally or topically administering sulfoxide derivatives of benzimidazoles having the structure ##STR1## wherein R1 is lower alkyl or phenyl-lower alkyl, R2 a...
03/20/1979
41384932,2-Dihalo-1(3)-lower alkyl-cyclopropylalkylthio benzimidazole derivatives, compositions thereof and method of use in treating tapeworms and whipworms
Benzimidazole derivatives are provided having the structure ##STR1## wherein R1 is lower alkyl or phenyl-lower alkyl, R2 and R3 are the same or different and are hydrogen or lower alkyl, R4 is lower alkyl o...
02/06/1979
1    
 
Sign InRegister
Username  
Password   
forgot password?