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Class 548/216 - Spiro


Subclass of Class 548 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain a spiro ring system.
No. of patents: 156
Last issue date: 05/01/2012


1        
NumberTitleIssue Date
8168797Oxazolidinone derivative with difluorophenyl moiety, pharmaceutically acceptable salt thereof, preparation method thereof and antibiotic composition containing the same as an active ingredient
Novel oxazolidinone derivatives with a difluorophenyl moiety, represented by Chemical Formula 1, pharmaceutically acceptable salts thereof, a preparation method thereof, and a pharmaceutical composition containing the same as an active ingredient are provided. Exhib...
05/01/2012
7999115Spiro antibiotic derivatives
The invention relates to compounds of formula (I) wherein R1 represents H, alkyl, alkoxy, cyano or halogen; one of U and X represents CH or N and the other represents CH, or, in the case of U, may also represent CRa and, in the case of X, may a...
08/16/2011
7763734Synthesis, structure and use of bisoxazolidines for asymmetric catalysis and synthesis
One aspect of the invention relates to chiral bisoxazolidines and their use in asymmetric catalysis. The chiral bisoxazolidines are a novel class of compounds that is expected to find multiple applications, for example, in asymmetric synthesis. For example, a bisoxa...
07/27/2010
7514567Oxazolidinone nicotinic acetylcholine receptor agonists
Compounds of formula I: and pharmaceutically-acceptable salts thereof, wherein Q, Ar1, A and Ar2 are as defined in the specification, pharmaceutical compositions and formulations containing them, metho...
04/07/2009
7402548Benzoxazole compounds, process for producing the same and herbicides
The present invention relates to benzoxazole compounds represented by the following formula (I): wherein R1 to R4 may be the same or different from each other, and each represe...
07/22/2008
7371807Blocked biuretized isocyanates
The present invention is directed to blocked biuret group-containing polyisocyanate compositions, wherein the blocking agent is of the formula: wherein R1, R2, R3 and R4 may be th...
05/13/2008
7354946Biarylurea derivatives
The present invention relates to a compound of Formula (I) and the manufacturing method(s) thereof and the use thereof: Formula (I) wherein: Ar is a nitrogen-containing heteroaromatic ring group; X and Z are each a c...
04/08/2008
7332500Heterocyclic antiviral compounds
This invention relates to piperidine derivatives of formulae Ia and Ib with substituents as defined herein useful in the treatment of a variety of disorders, including those in which the modulation of CCR5 receptors is implicated. More particularly, the present inve...
02/19/2008
7268135Biaryl sulfonamides and methods for using same
The present invention relates to biaryl sulfonamides and their use as, for example, metalloproteinase inhibitors. ...
09/11/2007
7202251Bicyclic anilide spirohydantoin CGRP receptor antagonists
The present invention is directed to compounds of the formula: that are antagonists of CGRP receptors and that are useful in the treatment or prevention of diseases in which the CGRP is involved, such as headache...
04/10/2007
7199125Spiro-cyclic compounds useful as anti-inflammatory agents
The present invention is directed to compounds having the formula (I): useful in treating inflammatory and immune diseases, in which K and L are independently, O or S; Q is —C(═O)— or optionally substituted...
04/03/2007
7153971Compounds containing oxazolidinone moiety and uses thereof
A compound and method for producing an enantiomerically enriched epoxide from an olefin using a chiral ketone and an oxidizing agent is disclosed. In particular, the compound is of the formula: I wherein R1, R2, R3 and R4 ...
12/26/2006
7126005Process for preparing florfenicol
The present invention is directed to a new process of preparing highly pure Florfenicol. The invention is further directed to new oxazolidine derivatives useful in making Florfenicol and processes of making these derivatives. Examples of such intermediates include (...
10/24/2006
7087676Blocked polyisocyanates
Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers, wherein blocked polyisocyanates are prepared by reacting ...
08/08/2006
7074852Blocked polyisocyanates
Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers. The blocked polyisocyanates are derived from polyisocyana...
07/11/2006
6822094Spiro compounds and their use
Spiro compounds of the formula (I), in which at least one of the radicals K1, L, M, N1, R1, R2, R3, R4 is one of the following groups ...
11/23/2004
6777410Isoindole derivatives
This invention relates to compounds represented by the general formula [I] wherein, R represents an azido group, etc., R1 and R2 are the same or different and represent hydrogen atoms, etc., R3 ...
08/17/2004
6683709Photochromic pyran compounds
Photochromic pyran compounds and their use in synthetic resin objects of all types, especially for ophthalmic applications, particularly spiro compounds having a fluorene structure derived from naphthopyrans, which are known as spirofluorenopyrans. By int...
01/27/2004
6670507Process for the preparation of aryloctanoyl amides
Compounds of formula I ##STR1## wherein R1 is for example 3-methoxyprop-3-yloxy, R2 is for example methoxy, R3 and R4 are in each case for example isopropyl, and R5 is H2 NC(O)--[C(CH
12/30/2003
6586452C1 to C4 side chain modified nodulisporic acid analogs
The present invention relates to novel nodulosporic acid derivatives, which are acaricidal, antiparasitic, insecticidal and anthelmintic agents....
07/01/2003
6528534Spiro compounds as inhibitors of fibrinogen-dependent platelet aggregation
This invention relates to certain spirocyclic compounds substituted with both basic and acidic functionality, which are useful in inhibition of platelet aggregation....
03/04/2003
6512112Aminoaryl oxazolidinone N-oxides
The present invention provides for aminoaryl oxazolidinone N-oxide compounds of Formula I ##STR1## wherein the variables are as defined herein. These compounds are exceedingly water soluble which is useful in preparing pharmaceutical formulations of ...
01/28/2003
6444819Benzylpiperazinyl and piperidinyl ethanone derivatives: dopamine receptor subtype specific ligands
Disclosed are compounds of the formula: ##STR1## or pharmaceutically acceptable addition salts thereof wherein: Y represents oxygen or sulfur; Z is nitrogen or CH; R1, R2 and R3 independently represent organic or inorganic subs...
09/03/2002
6444825Process for the preparation of an oxazolidinecarboxylic acid which is useful for preparing therapeutically active taxoids
A method for preparing an oxazolidinecarboxylic acid of general formula (I), which is useful for preparing therapeutically active taxoids of general formula (III), from an oxazolidinecarboxylic acid of general formula (II). In formulae (I), (II) and (III)...
09/03/2002
6437145Method of producing oxazolidinones, the use thereof and oxazolidinones
The invention concerns a method of producing oxazolidinones of formula (I), wherein R1 -R5 have the meanings given in the description, by reacting cyclical anhydrides of formula (II) with carbonyl compounds of general formula (III) a...
08/20/2002
6387892Methods of providing and using compounds having activity as inhibitors of cytochrome P450RAI
Novel compounds having the Formulas 1 through 8, wherein the symbols have the meaning defined in the specification, and certain previously known compounds have been discovered to act as inhibitors of the cytochrome P450RAI (retinoic acid inducible) enzyme...
05/14/2002
6369271Process for preparing derivatives of biphenyl-2-carboxylic acid
The invention relates to a process for large-scale industrial production of biphenyl-2-carboxylic acid derivatives (I) ##STR1## wherein R1 and R2 may have the meanings given in the specification and claims....
04/09/2002
6365747Method for the preparation of citalopram
The present invention relates to a method for the preparation of citalopram or any of its enantiomers and acid addition salts thereof comprising treatment of a compound of formula (IV), wherein X is O or S; R1 -R2 are each independen...
04/02/2002
6340751Process for the preparation of 4-substituted azetidinone derivatives
Disclosed is a process for the preparation of a 4-substituted azetidinone derivative, which comprises reacting an azetidinone derivative and an amide compound in the presence of a magnesium compound such as those represented by the following formulas (II)...
01/22/2002
6277985Aminoaryl oxazolidinone N-oxides
The present invention provides for aminoaryl oxazolidinone N-oxide compounds of Formula I ##STR1## wherein the variables are as defined herein. These compounds are exceedingly water soluble which is useful in preparing pharmaceutical formulations of ...
08/21/2001
6271387Process for producing 1,3-oxazolidine derivatives
A process produces 1,3-oxazolidine derivatives by reacting an imine derivative of the following formula (1): ##STR1## with an epoxy compound of the following formula (2): ##STR2## to yield an oxazolidine derivative of the following formula (3): ##STR...
08/07/2001
6194582Taxoids, their preparation and pharmaceutical compositions containing them
New taxoids of general formula (I), their preparation, and pharmaceutical compounds containing them. ##STR1## In general formula (I), for example, Ar represents an aryl radical, R represents an alkoxyacetyl radical, R1 represents a benzoyl radical o...
02/27/2001
6107036Heterocyclic dioxethane substrates, process for their preparation and their use
Compounds of the general formula Ia and Ib are described ##STR1## in which R1 and R2 are the same or different and represent hydrogen, straight-chain or branched C1 to C6 lower alkyl or an aryl group option...
08/22/2000
6020491Monomeric and polymeric cyclic amine and N-halamine compounds
Cyclic amine monomers and polymers and N-halamine biocidal polymer compounds are provided. Representative monomers have the structure: ##STR1## wherein R1 is selected from the group consisting of hydrogen and from C1 to C4
02/01/2000
60158234-Cyclohexylphenyl-oxazolines and their use for controlling animal pests
The present invention relates to novel 4-cyclohexylphenyl-oxazolines of the formula (I) ##STR1## in which X1, X2, X3, R1 and R2 are each as defined in the description, to processes for their prep...
01/18/2000
5962683Oxazoline compounds as stabilizers
A description is given of compounds of the formula I ##STR1## where r is 0 or 1 and y is a number from the range 1-3; X is a direct bond or --NR8 --, --CO--, --CONH-- or --COO-- or a divalent aliphatic or mixed aromatic-aliphatic C1
10/05/1999
5902814Spiro-Azabicyclic Compounds useful in therapy
There are provided new compounds of formula I: ##STR1## wherein R represents hydrogen or methyl; and n represents 1 or 2; or a pharmaceutically acceptable acid addition salt thereof, together with processes for preparing them, compositions containing them...
05/11/1999
5869680Process for preparing taxane derivatives
This invention relates to a method of preparing taxane derivatives of general formula (I) by esterification of protected baccatine III or 10-deacetylbaccatine III by means of an acid of general formula (VII), elimination of protection groupings of the est...
02/09/1999
5864041Process for producing threo-3-(3,4-dihydroxyphenyl)serine
Racemic or optically active threo-3-(3,4-dihydroxyphenyl)serine can be readily produced via a few short steps by a process involving the steps of reacting a racemic or optically active N-acyl DOPA derivative represented by the formula ›I!: ##STR1## ...
01/26/1999
5840217Spiro compounds and their use as electroluminescence materials
Use of spiro compounds of the formula (I) ##STR1## where K1 and K2 are, independently of one another, conjugated systems, in electroluminescence devices. Preferred compounds of the formula (I) are 9,9'-spirobifluorene derivatives ...
11/24/1998
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