Class 546/28 - Nonacyclo ring system having the six-membered hetero ring as one of the cyclos

Subclass of Class 546 - Organic compounds -- part of the class 532-570 series
Definition: Compounds in which the polycyclo ring system consists of
No. of patents: 26
Last issue date: 10/18/2011

Number	Title	Issue Date
8039625	Coronene charge-transport materials, methods of fabrication thereof, and methods of use thereof Briefly described, embodiments of this disclosure include coronene charge-transport materials, methods of forming coronene charge-transport materials, and methods of using the coronene charge-transport materials. ...	10/18/2011
7723521	Azaperylenes as organic semiconductors A novel semiconductor device comprises an azaperylene organic semiconductor of the formula I wherein the substitutents are defined herein. ...	05/25/2010
7408062	Rigidized trimethine cyanine dyes Disclosed are analogues of trimethine cyanine dyes, which are useful for importing fluorescent properties to target materials by covalent and non-covalent association. ...	08/05/2008
7169922	Derivatives of 1,2-dihydro-7-hydroxyquinolines containing fused rings The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic r...	01/30/2007
7135493	HDAC inhibitor A compound having the following formula (I): wherein R1 is N-containing heterocyclic ring optionally substituted with one or more suitable substituent(s), ...	11/14/2006
6890377	Thermochromic rylene dyes Rylene dyes of the general formula I where R is hydrogen; unsubstituted or substituted C1-C30-alkyl, aryl or hetaryl; R′ is unsubstituted or substituted C2-C...	05/10/2005
6878825	Rylene derivatives and their use as dyes Rylene derivatives of the general formula I where the variables have the following meanings: R is hydrogen or substituted or unsubstituted C1-C30-alkyl, aryl or ...	04/12/2005
6770654	Indole derivatives and use thereof in medicines This invention relates to: an indole derivative or a pharmaceutically acceptable salt thereof represented by formula (I): wherein R1 is, for example, hydrogen or C1-5 alkyl; R2 is, for ex...	08/03/2004
6716979	Derivatives of 1,2-dihydro-7-hydroxyquinolines containing fused rings The present invention describes novel dyes, including coumarins, rhodamines, and rhodols that incorporate additional fused aromatic rings. The dyes of the invention absorb at a longer wavelength than structurally similar dyes that do not possess the fused aromatic r...	04/06/2004
6525200	Multicyclic aromatic compounds and uses thereof Multicyclic aromatic compounds useful as complexing agents having the general formula: ##STR1## Methods of complexing and quantitating a component in a sample such as urea or guanidine are also disclosed....	02/25/2003
6517630	Pigments having improved colouristic properties and process for their preparation The present invention is directed to a pigment of the formula ##STR1## which, in a gravure ink, has a lightness L* of not more than 48, a chroma C* of at least 53 and a hue angle h of from 295 to 315....	02/11/2003
6491749	Core-extended perylene bisimides The present inventions relates to nucleus-extended perylenebisimides of formula (I) ##STR1## intermediates in the preparation of compounds (I) and processes for the preparation of those intermediates and also processes for the preparation of compound...	12/10/2002
6248884	Extended rhodamine compounds useful as fluorescent labels Extended rhodamine compounds exhibiting favorable fluorescence characteristics having the structure ##STR1## are disclosed. In addition, novel intermediates for synthesis of these dyes are disclosed, such intermediates having the structure ##STR2## I...	06/19/2001
6162915	Process for heterocyclic sulfonyl chloride compounds Chlorosulfonyl substituted aromatic heterocyclic compounds, such as 2-chlorosulfonyl[1,2,4]triazolo[1,5-c]pyrimidine compounds, were prepared in good yield by chloroxidation of di(aromatic heterocyclyl) disulfide compounds in a medium containing water, a ...	12/19/2000
6156762	Indolomorphinan derivative and agent for curing and preventing cerebral disorder The present invention provides an indolomorphinan derivative or a pharmacologically acceptable acid addition salt thereof, and an agent for curing and preventing cerebral disorders composed of the derivative and salt thereof, which is represented by the f...	12/05/2000
5849731	Indole derivatives and medical application thereof The present invention relates to indole derivatives represented by the following compound 1 and the pharmacologically acceptable acid addition salt thereof. ##STR1## The compounds of the present invention were found to exhibit strong antitussive...	12/15/1998
5604280	Ring spiro [fluorene-[2H]-benzopyranes] and their use in ophthalmic optics The invention concerns photochromic compounds with general formula (I): ##STR1## where Ra, Rb and Rc represent hydrogen; alkyl, aryl, OR, SR, COR or COOR, where R represents hydrogen, alkyl or aryl, amino with formula...	02/18/1997
5318627	Process for the preparation of pigment preparations based on C.I. pigment violet 23 In conventional dry milling of C.I. Pigment Violet 23, the environment is heavily polluted by the necessarily formed dusts, the resulting noise and vigorous vibration during the milling process. According to the invention, it has now been found that these shor...	06/07/1994
5212312	Vattable and non-vattable quinoid dyes Dyes of the formula ##STR1## in which F is the radical of an indigoid dye, of a benzothioxanthene or of an aromatic dye which contains at least 4 alicyclic and/or heterocyclic, fused six-membered rings and at least two ring keto groups and is not ...	05/18/1993
5130334	Indane sulfonamide anti-arrhythmic agents Novel 5-alkanesulphonamido-2-[N-(alkanesulphonamidoheterocyclicmethyl)-N-methyla mino]indane compounds have been prepared, including their pharmaceutically acceptable salts and various key novel intermediates therefor. The heterocyclic moiety present ...	07/14/1992
5095103	Polycyclic aromatic azacyclic compounds useful in dyeing Heterocyclic compounds of the formula ##STR1## with the substituent meanings given in the description, and derivatives thereof are suitable for dyeing and pigmenting the most diverse substrates....	03/10/1992
5028643	Tetrabenzodiazadiketoperylene pigment 5,15-Diaza-5b, 15b-dihydrotetrabenzo[a,g,j,p] perylene-6,16-dione, a process for the preparation thereof and its suitability for use as a pigment for coloring a wide variety of organic materials....	07/02/1991
4486587	Concentration of light over a particular area and novel fluorescent compounds A process for concentrating light over a particular area by means of fluorescent compounds in plastic plates or films, wherein the fluorescent compounds used are those of the formula ##STR1## where Z is .dbd.N-- or .dbd.CH--, Y is --OSO2 R...	12/04/1984
4316027	7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes Dye intermediates of the formula ##STR1## where R1 is hydrogen, alkyl of 1 to 12 carbon atoms, phenyl which is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms, methoxy, ethoxy, chlorine or bromine, or phenylalkyl of 7 to 10 ca...	02/16/1982
4110348	7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes Dye intermediates of the formula ##STR1## where R1 is hydrogen, alkyl of 1 to 12 carbon atoms, phenyl which is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms, methoxy, ethoxy, chlorine or bromine, or phenylalkyl of 7 to 10 ca...	08/29/1978
3960866	Process for preparing 1-aza-2-hydroxybenzanthrone 1-AZA-2-HYDROXYBENZANTHRONE, USEFUL AS AN INTERMEDIATE FOR SYNTHESIZING DYES IS OBTAINED BY THE DIRECT REACTION OF ALKYL ESTERS OF ANTHRAQUINONE-1-ACETIC ACID WITH AMMONIA IN HYDROXYLATED SOLVENTS AND IN THE PRESENCE OF STRONG BASES AND/OR REDUCING SUBSTA...	06/01/1976

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Class 546/28 - Nonacyclo ring system having the six-membered hetero ring as one of the cyclos