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

Icon_funbox Bizarre Patents

Patent No. 6055910

/patents/6055910.html

A gun that fires a missile, powered by gas "discharged by the operator of the toy."

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 546/92 - Plural chalcogens bonded directly to ring carbons of the tricyclo ring system


Subclass of Class 546 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein at least two chalcogens (i.e., oxygen,
No. of patents: 93
Last issue date: 08/07/2007


1      
NumberTitleIssue Date
RE39762Polyketide synthase enzymes and recombinant DNA constructs therefor
Polyketide compounds of the formula but not including FK-506, FK-520, 18-hydroxy-FK520 and 18-hydroxy-FK-506. ...
08/07/2007
7126000Method of synthesizing camptothecin-relating compounds
The present invention is to prepare efficiently 2′-amino-5′-hydroxypropiophenone corresponding to the AB-ring part of camptothecin (CPT) skeleton and a tricyclic ketone corresponding to the CDE-ring part in order to provide efficiently CPT by the total synthesis...
10/24/2006
70841524-phenyl substituted tetrahydroisoquinolines therapeutic use thereof
Compounds are provided that, by way of their selective neurotransmitter binding useful for the treatment of various neurological and psychological disorders, e.g., ADHD. Such compounds are 4-phenyl substituted tetrahydroisoquinolines having the Formula IA, IB, IIA, ...
08/01/2006
6909001Method of making tricyclic aminocyanopyridine compounds
A method of making aminocyanopyridine compounds which are capable of inhibiting mitogen activated protein kinase-activated protein kinase-2 is described. ...
06/21/2005
67502234-Anilino[2,3-b]quinoline derivatives, their preparation processes and pharmaceutical compositions comprising the same
Disclosed herein are 4-anilino[2,3-b]quinoline derivatives of formula (I): wherein each of R1, R2, R3 and Y is given the definition as set forth in the Specification and Claims. These com...
06/15/2004
6716983S type 2-substituted hydroxy-2-indolidinylbutyric ester compounds and process for preparation thereof
A process for preparing S type 2-substituted hydroxy-2-indolidinylbutyric ester compound [II]: wherein Ro is residue of nitrogen-containing fused heterocyclic carboxylic acid having absolute configuration of â...
04/06/2004
6660862Polyketide synthase enzymes and recombinant DNA constructs therefor
Polyketide compounds of the formula but not including FK-506, FK-520, 18-hydroxy-FK520 and 18-hydroxy-FK-506. ##STR1##...
12/09/2003
6632418Radioligands and their use for identifying potassium channel modulators
The present invention relates to novel radioligands and test methods using those radioligands in screening compounds....
10/14/2003
6444820Process for the manufacture of camptothecin derivatives
This invention discloses and claims novel intermediates and procedures for the synthesis of camptothecin derivatives, such as irinotecan, and other compounds related to the synthesis of CPT-11. Related procedures and compounds are also disclosed, such as ...
09/03/2002
6384045Tricyclic and tetracyclic pyrones
This invention provides cancer-active tricyclic and tetracyclic oxypyrones and a method of synthesizing these compounds. Preferred compounds have aryl groups at the 3-position of the oxypyrone ring. The tricyclic oxypyrone synthetic method is a simple con...
05/07/2002
6384047Benzonaphthyridine
Compounds 8,9-diethoxy-2-methyl-6-[4(p-toluenesulfonamide) phenyl]-1,2,3,4,4a,10b-hexahydrobenzo[c][1,6]naphthyridine and 9-ethoxy-8-methoxy-2-methyl-6-[4-(p-toluenesulfonamido)phenyl]-1,2,3,4,4a, 10b-hexahydrobenzo[c][1,6]naphthyridine and medicament comp...
05/07/2002
6319929Suksdorfin analogs, compositions thereof, and methods for making and using thereof
The present invention is directed to compounds that are analogs of the natural product suksdorfin. Compounds of the present invention include those having Formula IV: ##STR1## wherein R20 through R26, M and Z are defined herein. The ...
11/20/2001
6277860Furopyridine antibacterials
This invention provides a compound of formula (I): ##STR1## or pharmaceutically acceptable salts thereof, wherein X1 and X2 are C or N, respectively; R1 and R2 are independently phenyl optionally substituted wit...
08/21/2001
6242604Process for preparing a morphinan derivative
A process for preparing a morphinan derivative, by providing a dihydrofuranyl bridged tetracycle halide of the formula (19) ##STR1## wherein X is halogen, R is an alkyl group of from 1 to about 10 carbon atoms, and R1 is a protecting group; and...
06/05/2001
6121451Intermediates and process for the manufacture of camptothecin derivatives (CPT-11) and related compounds
This invention relates to intermediates and processes for the synthesis of camtothecin derivatives, such as irinotecan. Related procedures and compounds are disclosed, such as a method of making mappicine....
09/19/2000
5994545Process for producing optically active amides
The present invention provides a process for producing decahydro(4as, 8aS)isoquinoline-3(S)-carboxamides which are useful as intermediates of Saquinavir (EP 432694). Saquinavir is an anti-AIDS agent. The comprises reacting tetrahydroisoquinoline-3(S)-carb...
11/30/1999
5990106Bicyclic amino group-substituted pyridonecarboxylic acid derivatives, esters thereof and salts thereof, and bicyclic amines useful as intermediates thereof
This invention relates to bicyclic amino group-substituted pyridonecarboxylic acid derivatives of the general formula A--Pri esters thereof and salts thereof, wherein: Pri is a pyridonecarboxylic acid residue, and A is a bicyclic amino group represented by the...
11/23/1999
5958970Tricyclic and tetracyclic pyrones
This invention provides cancer-active tricyclic and tetracyclic oxypyrones and a method of synthesizing these compounds. Preferred compounds have aryl groups at the 3-position of the oxypyrone ring. The tricyclic oxyprone synthetic method is a simple cond...
09/28/1999
5932732S type 2-substituted hydroxy-2-indolidinylbutyric ester compounds and process for preparation thereof
A process for preparing S type 2-substituted hydroxy-2-indolidinyl-butyric ester compound ›II!: ##STR1## wherein Ro is residue of nitrogen-containing fused heterocyclic carboxylic acid having absolute configuration of "R"(in which the nit...
08/03/1999
5866587Metalloprotease inhibitors
Compound of formula (I): ##STR1## in which: m, n, which are identical or different, represent 0, 1 or 2, R1, R2, which are identical or different, represent hydrogen, optionally substituted alkyl, aryl, or form with the carbon atom c...
02/02/1999
5760050Antipsychotic method utilizing certain tetrahydrochromeno›3,4-c!pyridin-5-ones
1,2,3,4-Tetrahydro-chromeno›3,4-c!pyridin-5-ones of the formula ##STR1## wherein R1, R2, R3, and R5 include hydrogen, alkyl, alkoxy, hydroxy, halo, nitro, amino, and trifluoromethyl; R4 is unsub...
06/02/1998
5726182Quinolizinone type compounds
Antibacterial compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, selected preferred examples of which include those compounds wherein A is .dbd.CR6 --; R1 is cycloalkyl of from...
03/10/1998
5700807Endothelin receptor antagonists
Novel compounds of the formula ##STR1## in which --Y--Z--, R1 R2, R3, R4, R5 and X have the meaning indicated and their salts show endothelin receptor-antagonistic properties....
12/23/1997
5696130Tricyclic steroid receptor modulator compounds and methods
Non-steroidal compounds which are high affinity, high selectivity modulators for steroid receptors are disclosed. Also disclosed are pharmaceutical compositions incorporating such compounds, methods for employing the disclosed compounds and compositions f...
12/09/1997
5641785Oxazoloquinolinone derivatives, their preparation and their therapeutic application as inhibitors of monoamine oxidase
3,3a,4,5-Tetrahydro-1H-oxazolo[3,4-a]quinolin-1-one derivatives of formula (I) ##STR1## in which: n is 0 or 1, R1 represents a hydrogen atom or an ethenyl, methyl, ethyl, phenyl, hydroxymethyl or methoxymethyl group, and (i) R2 ...
06/24/1997
5637589Suksdorfin, analogs, compositions thereof, and methods for making and using thereof
Compounds, including compositions and methods of making and using these compounds for treating retroviral infections, are provided according to formula (G-1): ##STR1## wherein M is O or NH; Z is O, NH or S; R240, and R250 are ea...
06/10/1997
5599816Quinolizinone type compounds
Antibacterial compounds having the formula ##STR1## and the pharmaceutically acceptable salts, esters and amides thereof, selected preferred examples of which include those compounds wherein A is.dbd.CR6 --; R1 is cycloalkyl of from ...
02/04/1997
5514685Heteroatom-containing tricyclic compounds
The invention concerns the compounds of formulae ##STR1## wherein the substituents have various significances. They can be prepared by various methods, e.g. acylation, reduction, alkylation, etc. They are indicated for use as pharmaceuticals, in part...
05/07/1996
5391745Methods of preparation of camptothecin analogs
Substituted analoguss of camptothecin possessing cytotoxic activity towards cancer cells, of the general structure: ##STR1## wherein E is H, CO2 R, CONH2, CONHR, CONR2, acyl, or CN; X is H OH, or OR; R1, R
02/21/1995
5346904Sulphonyl compound
Compound of the formula I ##STR1## wherein the substituents have the meanings given in the description, are new active bronchodilators....
09/13/1994
5298517Angiotensin II receptor blocking agents
This disclosure describes novel imidazole compounds having the formula: ##STR1## wherein R1 and R6 are described in the specification which have activity as angiotensin II (AII) antagonists....
03/29/1994
5276053Polycyclic amines useful as cerebrovascular agents
A novel series of polycyclic amines, derivatives, methods of making the compounds, novel intermediates, compositions containing them, and methods for using them in the treatment and prevention of cerebrovascular disorders are disclosed....
01/04/1994
5247090Tricyclic [6,6,5]-fused oxazolidinone antibacterial agents
The present invention involves tricyclic-fused 6-member ring oxazolidinones ##STR1## which are useful as antibacterial agents....
09/21/1993
5208330Fused heteroalkylene quinolinamines
There are disclosed compounds having the formula ##STR1## wherein n is 1-4; R is hydrogen, loweralkyl or loweralkylcarbonyl; R1 is hydrogen, loweralkyl, loweralkylcarbonyl, aryl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralky...
05/04/1993
512260610,11-methylenedioxy camptothecins
The invention relates to a method of producing 20(S)-camptothecin, 20(R)-camptothecin and analogs thereof. The method involves the resolution of an mixture of enantiomers of an intermediate lactone....
06/16/1992
5112830Fused heteroalkylene quinolinamines
There are disclosed compounds having the formula ##STR1## wherein n is 1-4; R is hydrogen, loweralkyl or loweralkylcarbonyl; R1 is hydrogen, loweralkyl, loweralkylcarbonyl, aryl, diloweralkylaminoloweralkyl, arylloweralkyl, diarylloweralky...
05/12/1992
5071853Polycyclic amines useful as cerebrovascular agents
A novel series of polycyclic amines, derivatives, methods of making the compounds, novel intermediates, compositions containing them, and methods for using them in the treatment and prevention of cerebrovascular disorders are disclosed....
12/10/1991
50628812-(1-substituted-2-imidazolin-2-yl)benzoic and nicotinic acids and a method for their preparation
2-(1-Substituted-2-imidazolin-2-yl)benzoic and nicotinic acids, and derivatives thereof, which are effective in the control of undesirable plant species are described. Also described are a method for the herbicidal use of the compounds and a method for th...
11/05/1991
5061800Camptothecin derivatives
New campotothecin derivatives and a process for preparing same are disclosed, which are represented by the general formula: ##STR1## wherein R1 represents a lower alkyl group, R2 represents a hydrogen atom or an amino, hydroxyl,...
10/29/1991
5053512Total synthesis of 20(S) and 20(R)-camptothecin and compthothecin derivatives
The invention relates to a method of producing 20(S)-comptothecin, 20(R)-camptothecin and analogs thereof. The method involves the resolution of an mixture of enantiomers of an intermediate lactone....
10/01/1991
1      
 
Sign InRegister
Username  
Password   
forgot password?