|
Match
|
Document |
Document Title |
|
|
7332487 |
Nitrogen-containing 5-membered ring compound
The present invention is to provide an aliphatic nitrogen-containing 5-membered ring compound represented by the formula [I]:
wherein symbols in the formula have the following meanings;
...
|
|
|
7132434 |
Metalloproteinase inhibitors
Compounds of the formula (I), useful as metal-loproteinase inhibitors, especially as inhibitors of MMP12
|
|
|
6967215 |
Tetrahydrocarbazoles, a process for the preparation of those compounds, and the use thereof
Tetrahydrocarbazoles of formula
where Q is —SO 2 —; —O—; or —(CO)—; X is —(CH)—; or —N—; m is from 1 to 3; t is 0 or 1 and the remaining substituents are as defined herein,...
|
|
|
6107345 |
Benzocyclobutane compounds
A compound of formula (I): ##STR1## wherein: Z 1 , Z 2 , Z 3 , Z 4 , which may be identical or different, represent a group as defined in the description, X represents oxygen, S(O) p , --(CH 2 )...
|
|
|
6030967 |
Naphtholactams and lactones as bone morphogenetic protein active agents
|
|
|
5728709 |
Alkyl and aralkyl-substituted pyrrolocarbazole derivatives that stimulate platelet production
Described herein is a pyrrolocarbazole derivative and a pharmaceutically acceptable salt thereof having the following formula (I): ##STR1## wherein R 1 is lower alkyl or aralkyl; R 2 is hydrogen,...
|
|
|
5721267 |
Chemotherapeutic pyrrolocarbazole derivatives
Compounds represented by the Formula I: ##STR1## wherein: R 1 is hydrogen or lower alkyl; R 2 is heteroaryl; and R 3 and R 4 are independently hydrogen or lower alkyl; and the...
|
|
|
5674432 |
Photochromic naphthopyran compounds
Described are novel reversible photochromic diaryl-3H-naphtho 2,1-b!pyran compounds having a substituted or unsubstituted, five or six member heterocyclic ring fused to the g, i, or l side of the...
|
|
|
5616666 |
Bismaleimide compounds
The invention relates to a bismaleimide compound of the formula (I) substantially free of oligomeric, amidic and uncyclized impurities: ##STR1## wherein Ar is an optionally substituted aromatic...
|
|
|
5523411 |
Synthesis of mitomycin and its analogs
The present invention relates to the synthesis of mitomycin and analogs thereof that are useful as anticancer antibiotics. The invention further relates to analogs of mitomycin, which can be...
|
|
|
5514685 |
Heteroatom-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....
|
|
|
5418232 |
Diazabicycloalkene derivatives
A compound of formula (I) possesses excellent potassium channel opening activity and is effective on various diseases arising from contractions of blood vessels, bronchial smooth muscles, etc., for...
|
|
|
5310909 |
Photochromic compounds, a process for their preparation, and their use
Compounds of the formula I ##STR1## in which X is O, S, SO, SO 2 or NR 13 , R 13 is, for example, methyl, and R 1 to R 12 , independently of one another, are, for example, H, C 1 -C 12 alkyl,...
|
|
|
5296610 |
N-substituted polyamide-imides
An N-substituted polyamideimide essentially composed of identical or different repeating units of the formula I ##STR1## where R 1 is one of the following tetravalent aromatic radicals ##STR2##...
|
|
|
5264538 |
Cyclic poly(aryl ether) oligomers
Cyclic poly(aryl ether) oligomers and mixtures thereof, and methods for the preparation thereof in a highly dilute reaction medium under reaction conditions favorable for ring closure at low...
|
|
|
5242551 |
Electron induced transformation of an isoimide to an n-imide and uses thereof
A method of isomerizing an isoimide to an n-imide is described wherein an electron is supplied to the isoimide which induces the isomerization and wherein the isomerization is catalytic to the...
|
|
|
5166204 |
Isoindole derivatives and salts thereof and antitumor agent comprising the same
A novel isoindole derivative represented by general formula [1] or a salt thereof: ##STR1## which has an excellent antitumor activity and low toxicity.
|
|
|
5106980 |
Preparation of quinophthalones
A process for the preparation of a quinophthalone of the formula ##STR1## in which X is hydrogen, chlorine or bromine and n is an integer from 1 to 4, by condensing 8-aminoquinaldine with a...
|
|
|
5068243 |
Bicyclic tetrahydroxypyrrolizidine
Novel bicyclic tetrahydroxylated pyrrolizidines are disclosed which are inhibitors of glycosidase enzymes. A preferred inhibitor is (1S,2R,6R,7S)-1,2,6,7-tetrahydroxypyrrolizidine. It is...
|
|
|
4999369 |
Tetracyclic heterocyclic derivatives, pharmaceutical compositions and use
The present invention relates to compounds of formula (I) ArCH 2 R 1 (I) or a monomethyl or monoethyl ether thereof (the compound of formula (I)...
|
|
|
4992460 |
Bicyclic tetrahydroxylated pyrrolizidines
Novel bicyclic tetrahydroxylated pyrrolizidines are disclosed which are inhibitors of glycosidase enzymes. A preferred inhibitor is 1α, 2α, 6α, 7α, 7αβ-1,2,6,7-tetrahydroxypyrrolizidine. It...
|
|
|
4977158 |
Dibenzoxepinon and dibenzothiepino-pyridinol or - pyrrotol derivatives with anti-depressant action
The invention relates to novel tetracyclic compounds with an anti-depressant action, without neuroleptic or sedative side effects, of the general formula I ##STR1## and also functional derivatives...
|
|
|
4912107 |
Pyrrolocarbazole derivatives, compositions containing them, and methods for using them
The invention concerns new pyrrolocarbazole derivatives of formula ##STR1## processes for their preparation, as well as medicaments containing these for the inhibition of protein kinases, such as...
|
|
|
4874803 |
Dianhydride coupled polymer stabilizers
The present invention comprises reaction products resulting from the reaction of hydrazido-substituted or certain amino-substituted polymer stabilizers and cyclic dianhydrides, as well as the use...
|
|
|
4585876 |
Novel xanthones and thioxanthones
Novel xanthones and thioxanthones of the formula I ##STR1## in which A, X, Y, Z, E and E' are as defined in patent claim 1, are described. A is preferably --S-- and E and E' are preferably bonded...
|
|
|
4528373 |
Vinylacetylene-terminated polyimide derivatives
Novel, unsaturated vinylacetylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides...
|
|
|
4435323 |
Vinylacetylene-terminated polymide derivatives
Novel, unsaturated vinylacetylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides...
|
|
|
4405519 |
Di-Acetylene-terminated polyimide derivatives
Novel, unsaturated diacetylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from...
|
|
|
4404139 |
Addition products of terminally unsaturated polyimide derivatives with a diaryl conjugated butadiyne
Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from...
|
|
|
4377673 |
Polymerization products of di-acetylene-terminated polyimide derivatives
Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from...
|
|
|
4377525 |
Addition products of diacetylene-terminated polyimide derivatives and a dienophile having a terminal vinyl group
Novel, unsaturated diacetylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from...
|
|
|
RE30922 |
Vinyl end-capped polyimide oligomers
The products of the invention are vinyl end-capped oligomers which are prepared from 2,4-bis (p-aminobenzyl) aniline and a vinyl substituted aromatic monoamine, the principal component of which is...
|
|
|
4255313 |
Novel end-capped polyimide oligomers
The products of the invention are end-capped polyimide oligomers prepared from a dianhydride of an aromatic tetracarboxylic acid such as 3,3'4',4'-benzophenonetetracarboxylic acid, an aromatic...
|
|
|
4251418 |
Polyimide oligomers
The products of the invention are acetylene end-capped polyimide oligomers prepared from a dianhydride of an aromatic tetracarboxylic such as 3,3', 4,4'-benzophenonetetracarboxylic acid, an...
|
|
|
4251417 |
Novel acetylene end-capped polyimide oligomers
The products of the invention are acetylene end-capped polyimide oligomers prepared from a dianhydride of an aromatic tetracarboxylic acid such as 3,3',4,4' benzophenonetetracarboxylic acid, an...
|
|
|
4206107 |
Novel end-capped polyimide oligomers
The products of the invention are acetylene end-capped polyimide oligomers prepared from a dianhydride of an aromatic tetracarboxylic such as 3, 3', 4, 4'-benzophenonetetracarboxylic acid, an...
|
|
|
4173700 |
Bis (difluoromaleimide) capped propolymers and polymers
End-capping an aromatic diamine or a precursor formed by reaction of an aromatic diamine with an aromatic dianhydride with difluoromaleic anhydride yields prepolymers which thermally cure at...
|
|
|
4171310 |
N,N'-dichlorobicyclo[2.2.2]oct-7-ene-2,3,5,6 -tetracarboxylic-2,3,5,6-diimide
N,N'-Dichlorobicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic
-2,3,5,6-diimid e is useful as a reagent in reactions which require a source of positive chlorine.
|
|
|
4168367 |
Acetylene-terminated polyimide derivatives
Novel, unsaturated, polyimide-polyesters and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides, from which they...
|
|
|
4168366 |
Polyimide derivatives
Novel, unsaturated polyimide-polyesters and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides, from which they...
|
|
|
4166168 |
Polymerization products of acetylene-terminated polyimide derivatives
Novel, unsaturated polyimide-polyester polymerization products and processes for their preparation are disclosed herein. The polyimide-esters from which the polymerization products are derived are...
|
|
|
4075171 |
Process for preparing aromatic polyimides and some polyimides prepared thereby
A process for preparing substantially completely cyclized aromatic polyimides, either monomeric, oligomeric or polymeric, is provided. The process involved the reaction of a mixture of at least one...
|
|
|
4073794 |
7,8 Diacyl bicyclo 2.2.2!bis(2,3-dicarboximide) compounds
7,8-Diacyl bicyclo 2.2.2!oct-5-ene-bis(2,3-dicarboximide) and 7,8-diacyl bicyclo 2.2.2!octane-bis(2,3-dicarboximide) compounds useful for the production of polyimides.
|
|
|
4026904 |
Aromatic epoxy-terminated polyimides
Aromatic epoxy-terminated aromatic polyimides and processes for their preparation are provided. The epoxidized polyimides are prepared by epoxidizing an olefinically unsaturated aromatic imide of...
|
|
|
3973030 |
Antiasthmatic 5,6-benzoisoindoline compositions
4-Phenyl-9,9a-dihydro-5,6-benzoisoindolines, e.g. those of the formula ##SPC1## R = h, alkyl, alkenyl or (hydroxy or amino)-alkyl, R" = h, alkyl, OH, alkanoyloxy, alkoxy, 1/2 alkylenedioxy,...
|
|
|
3962182 |
Imide oxirane reactions
This patent discloses and claims the reaction of oxirane-containing compounds with primary cyclic imide-containing compounds, at temperatures of from about 0° to 225°C, in the presence of active...
|
|
|
3962278 |
N,N'bis(phthalic anhydride) diimides
Thermoplastic imide polymers prepared from a dianhydride monomer containing imide linkages and at least two cyclic anhydride groups and an aromatic diamine such as 4,4'-diaminodiphenyl ether....
|
|
|
3927027 |
Bis(furfuryl) imide
A monomeric bis imide composition is produced by reacting furfuryl amine with an aromatic dianhydride or derivative thereof, the product having the structure: ##EQU1## wherein R is a...
|
|
|
3906002 |
Hindered phenolic norbornane-2,3-dicarboximides
Compounds having the formula ##SPC1## Wherein R 1 and R 2 are lower alkyl, X and Y are hydrogen or, when taken together, they form a bond or an ether linkage, m is 0 to 3, and n is 0 to 2, are...
|
|
|
3544303 |
AROMATIC CARBOXIMIDES AS HERBICIDES
|