Class 549/303 - Nitrogen bonded directly to the lactone ring

Subclass of Class 549 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein nitrogen is bonded directly to the lactone
No. of patents: 40
Last issue date: 10/18/2005

Number	Title	Issue Date
6956055	Substituted γ-lactone compounds as NMDA-antagonists The invention relates to substituted γ-lactone compounds, to methods for the production thereof, to medicaments containing these compounds and to the use of these compounds for producing medicaments. ...	10/18/2005
6872839	Benzofuran-2-one Benzofuran-2-ones, compositions comprising benzofuranones, processes for preparing them, and their use as colorants for high or low molecular mass organic material. ...	03/29/2005
6462205	Method of preparing benzofurandione oxime derivatives The present invention relates to a novel process for preparing benzofurandioneoxime derivatives by reacting benzofurandioneoxime derivatives with acids....	10/08/2002
6262302	N-(aryl/heteroaryl/alkylacetyl) amino acid amides, pharmaceutical compositions comprising same, and methods for inhibiting ଲ-amyloid peptide release and/or its synthesis by use of such compounds Disclosed are compounds which inhibit ଲ-amyloid peptide release and/or its synthesis, and, accordingly, have utility in treating Alzheimer's disease. Also disclosed pharmaceutical compositions comprising a compound which inhibits ଲ-amyloid pep...	07/17/2001
6153652	N-(aryl/heteroaryl/alkylacetyl) amino acid amides, pharmaceutical compositions comprising same, and methods for inhibiting ଲ-amyloid peptide release and/or its synthesis by use of such compounds Disclosed are compounds which inhibit ଲ-amyloid peptide release and/or its synthesis, and, accordingly, have utility in treating Alzheimer's disease. Also disclosed pharmaceutical compositions comprising a compound which inhibits ଲ-amyloid pep...	11/28/2000
5939563	O-methyloximes of benzopyran-3,4- and benzofuran-2,3-diones and methods for their preparation Compounds of formula (XXIII): ##STR1## wherein p is 0 or 1, and processes for making such compounds....	08/17/1999
5892061	Process for preparing isoimides A preparation process of isoimide comprising reacting a compound having one or more carboxyl group and one or more amide bond in the same molecule in the presence of a haloiminium salt and basic substance, and a preparation process of isoimide comprising ...	04/06/1999
5554581	Tetrahydrophthalamide derivative, intermediate for producing the same, production of both, and herbicide containing the same as active ingredient The present invention relates to 3,4,5,6-tetrahydrophthalamide derivatives and 3,4,5,6-tetrahydroisophthalimide derivatives having excellent effects as effective active ingredients of herbicides, and processes for preparing the same, and provides the comp...	09/10/1996
5053071	Chromane herbicides This invention pertains to novel heterocyclic 2,3-dihydrobenzofuran and chromane compounds, including stereoisomers, agriculturally suitable compositions containing them, and their use as broad spectrum herbicides....	10/01/1991
4881967	Heterocyclic 2,3-dihydrobenzofuran herbicides This invention pertains to novel heterocyclic 2,3-dihydrobenzofuran and chromane compounds, including stereoisomers, agriculturally suitable composition containing them, and their use as broad spectrum herbicides....	11/21/1989
4783222	Glass fiber reinforced polyepoxide products and method for producing same A surface treatment composition for glass fibers comprising an aqueous solution or emulsion of an organosilane which contains at least one isoimido group. The organosilane with the highest adhesion promotion is N-2-(isomaleimodo)aminoethyl-3-aminopropyl-t...	11/08/1988
4620014	2-furylbutyrolactones and methods for using same Novel 2-furylbutyrolactones are directly formed by reaction of 2,5-dialkoxy-2,5-dihydrofurans and 2,3-dihydroxybutenolides in aqueous media and recovering crystalline product from an anhydrous medium. These novel compounds and compositions containing same...	10/28/1986
4613637	Copolymers utilizing isoimides and method of preparing same A copolymer formed from an isoimide oligomer and another compound, such as an aryl sulfone, each of which has reactive functional terminal groups, such as ethylenic or acetylenic groups. The isoimide oligomer is soluble in the other compound, unreactive w...	09/23/1986
4605738	Production of 1-phthalidyl-5-fluorouracil derivatives Highly selective and high yield process for producing antitumor agent 1-phthalidyl-5-fluorouracil derivatives of formula (I) which comprises reacting a phthalidyl compound (II) with an amine (III) to yield the quaternary ammonium salts (IV), and reacting ...	08/12/1986
4600775	Isomaleimide and isophthalamide derivatives of chromophors Novel isomaleimido and isophthalimido derivatives of chromophoric compounds are provided which are useful in analytical techniques for the detection and measurement of biological compounds such as bacteria, enzymes, hormones and the like....	07/15/1986
4513139	Substituted lactones of amino acids Novel substituted lactones of amino acids in all their possible stereoisomeric forms or mixtures thereof of the formula ##STR1## wherein A is a hydrocarbon chain of 1 to 10 chain members containing one or more heteroatoms and one or more unsaturation...	04/23/1985
4496711	Process for preparing isoimide containing oligomers Processes for forming a class of relatively low molecular-weight oligomers containing at least one isoimide group and terminal groups capable of undergoing an addition polymerization reaction are provided. These oligomers are characterized by excellent so...	01/29/1985
4495342	Isoimide containing oligomers A class of relatively low molecular-weight oligomers containing at least one isoimide group and terminal groups capable of undergoing an addition polymerization reaction are provided. These oligomers are characterized by excellent solubility in common sol...	01/22/1985
4485231	Isoimide containing oligomers A class of relatively low molecular-weight oligomers containing at least one isoimide group and terminal groups capable of undergoing an addition polymerization reaction are provided. These oligomers are characterized by excellent solubility in common sol...	11/27/1984
4472190	N-Substituted-tetrahydroisophthalimide derivatives A new N-substituted tetrahydroisophthalimde derivative represented by the formula: ##STR1## Wherein R1 and R2 are hydrogen or halogen, R3 is hydrogen or lower alkyl and R4 is alkyl which may be substituted ...	09/18/1984
4459414	Tetrasubstituted phthalic acid derivatives, and a process for their preparation Novel tetrasubstituted phthalic acid derivatives of the formula ##STR1## are described, in which Y1 and Y2 are oxygen and Y is ##STR2## or --O--, or one of Y1 and Y2 is oxygen and the other is .dbd.N--...	07/10/1984
4438273	Isoimide containing oligomers A class of relatively low molecular-weight oligomers containing at least one isoimide group and terminal groups capable of undergoing an addition polymerization reaction. The oligomers of the present invention are characterized by excellent solubility in ...	03/20/1984
4431819	3-(Pyrrolo and 3-indolyl)-3-diphenylamino substituted phthalides 3-Heteroaryl-3-(diphenylamino)phthalides useful as color formers in pressure-sensitive carbonless duplicating systems, thermal marking systems and hectographic copying systems are prepared by reacting 2-(heteroarylcarbonyl)benzoic acids with diphenylamine...	02/14/1984
4431658	Aza penem compounds Described is a novel process for the preparation of penems and carbapenems useful as antibacterial agents which comprises the reaction of an appropriate 4-substituted-azetidine-2-one with an acid halide in the presence of a tertiary amine and an alkaline ...	02/14/1984
4349565	Cyclobutanedicarboxisoimides and use thereof as fungicides The invention relates to cyclobutanedicarboxisoimides of the formula I ##STR1## wherein one of X and Y is oxygen and the other is ##STR2## each of R1 and R6 independently is methyl or ethyl, each of R2 and R...	09/14/1982
4272280	Isobenzofurandione thiosemicarbazones and use as plant growth regulators A novel class of compounds which are useful as plant growth regulators is disclosed, having the general structural formula: ##STR1## R' is; C1 to C4 alkyl, nitro or halo and n is zero or an integer from 1 to 4, R2 is;...	06/09/1981
4272279	Semicarbazidyl phthalides and use as plant growth regulators New compounds of the general structural formula ##STR1## are disclosed, in which Q is one of the following: ##STR2## R is methyl or ethyl, R1 is H or lower alkyl, R2 is lower alkyl and Y represents substituents, alike or un...	06/09/1981
4255577	Process and intermediates for preparing 3-[4-(disubstituted-amino)phenyl] o r 3-[4-(Disubstituted-amino)phenyl] or (9-julolidinyl)-3-(diphenylamino)phthalides useful as color formers in pressure-sensitive and thermal marking systems are prepared by reaction of 2-[4-(disubstituted-amino)benzoyl] or (9-julolidinyl-carbonyl)benzoic ...	03/10/1981
4191690	Substituted 3,6-diaminophthalides Substituted 3,6-diaminophthalides of the formula ##STR1## wherein each of R1, R2 and R3 independently represents alkyl of not more than 12 carbon atoms which is unsubstituted or substituted by halogen, hydroxyl, cyano...	03/04/1980
4187223	3-[4-(Disubstituted-amino)phenyl]-3-(diphenylamino)phthalides 3-[4-(Disubstituted-amino)phenyl] or (9-julolidinyl)-3-(diphenylamino)phthalides useful as color formers in pressure-sensitive and thermal marking systems are prepared by reaction of 2-[4-(disubstituted-amino)benzoyl] or (9-julolidinyl-carbonyl)benzoic ...	02/05/1980
4178280	Stabilized polyolefin composition The specification relates to certain imido-oxamide-type compounds and derivatives thereof which are useful for preventing metal catalyzed oxidative degradation of polyolefins. The specification also relates to olefin homopolymer and copolymer compositions...	12/11/1979
4168378	3-(9-Julolidinyl)-3-(diphenylamino)phthalides 3-[4-Disubstituted-amino)phenyl] or (9-julolidinyl)-3-(diphenylamino)phthalides useful as color formers in pressure-sensitive and thermal marking systems are prepared by reaction of 2-[4-disubstituted-amino)benzoyl] or (9-julolidinyl-carbonyl)benzoic acid...	09/18/1979
4148625	Tetrahydroisophthalimide compounds Tetrahydroisophthalimide compounds are useful for selective weed-controlling agents....	04/10/1979
4122202	Amino-3H-isobenzofuranones N-substitutes and their therapeutic application 3-Amino 3H-isobenzofuranones substituted on the nitrogen atom with benzodioxol-1,3, benzodioxane-1,4 or benzodioxane-1,3 rings are described which possess analgesic and anti-edematous properties....	10/24/1978
4036855	Phthalides and process for preparing same Imidazo isoindoles, e.g. 5-(p-chlorophenyl)-5-hydroxy-2,3-dihydro-5H-imidazo[2,1a]isoindol, may be prepared by treating a corresponding 2-benzoyl benzoic acid with a substituted ethylene diamine, and treating a resulting intermediate first with conce...	07/19/1977
3993665	3-Amidocoumaranones 3-Amidocoumaranones which may be substituted in the benzene ring by halo or alkyl; the compounds are obtained by treating an appropriate 2-hydroxyphenylacetic acid lactone with nitrous acid or with an ester, salt or chloride of nitrous acid in an acid med...	11/23/1976
3993666	Coumaranedione-3-monoximes Coumaranedione-3-monoximes which may be substituted in the benzene ring by halo or alkyl. The compounds are obtained by treating the corresponding 2-hydroxyphenylacetic acid lactone with nitrous acid or with an ester, salt or chloride of nitrous acid in a...	11/23/1976
3990880	Herbicidal isobenzofuranones This invention relates to herbicidal isobenzofuranones. These compounds may be used for selective weed control in certain crops or for total vegetation control....	11/09/1976
3985773	Plant growth regulators The disclosure herein pertains to the use of certain 3-[(naphthyl, or substituted-phenyl)imino]-phthalides, some of whose members are novel, to regulate the natural growth or development of plants....	10/12/1976
3943147	Process for imidazo isoindoles Imidazo isoindoles, e.g. 5-(p-chlorophenyl)-5-hydroxy-2,3-dihydro-5H-imidazo[2,1a]isoindol, may be prepared by treating a corresponding 2-benzoyl benzoic acid with a substituted ethylene diamine, and treating a resulting intermediate first with conce...	03/09/1976

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Class 549/303 - Nitrogen bonded directly to the lactone ring