Class / Patent application number | Description | Number of patent applications / Date published |
544246000 | Tetracyclo ring system having the diazine ring as one of the cyclos | 7 |
544247000 | Three or more ring hetero atoms in the tetracyclo ring system | 6 |
20090082565 | METHODS OF PREPARING QUINOLONE ANALOGS - The present invention relates to the preparation of compounds which are capable of inducing cell death such as apoptotic cell death (apoptosis), and/or for reducing a cell proliferative disorder. | 03-26-2009 |
20100081808 | PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE EPOXY COMPOUND - [Problems] To provide an efficient process for producing an optically active epoxy compound. | 04-01-2010 |
20110092701 | COMPOUNDS FOR ELECTRONIC DEVICES - The invention relates to the improvement of organic electroluminescent devices, in which compounds that are represented by formula (1) are used, in particular as hole injection materials or hole transport materials in a hole injection layer or hole transport layer. | 04-21-2011 |
20130324723 | TETRAAZAPYRENE COMPOUNDS AND THEIR USE AS N-TYPE SEMICONDUCTORS - Provided are tetraazapyrene compounds of formula (I) and their use as n-type semiconductors. In formula (I), R | 12-05-2013 |
20160145261 | FREE BASE CRYSTALS - The present invention relates to crystals of (6aR,9aS)-5,6a,7,8,9,9a-hexahydro-5-methyl-3-(phenylamino)-2-((4-(6-fluoropyridin-2-yl)phenyl)methyl)-cyclopent[4,5]imidazo[1,2-a]pyrazolo[4,3-e]pyrimidin-4(2H)-one, and methods of making and using such crystals. | 05-26-2016 |
20160200740 | COMPOUND FOR THE TREATMENT OF HUMAN LIVER CANCER AND METHOD FOR SYNTHESIZING IT | 07-14-2016 |
544248000 | Ring carbon is shared by three of the cyclos (e.g., anthrapyrimidine, etc.) | 1 |
20120283436 | FACILE PREPARATION OF 4-SUBSTITUTED QUINAZOLINES AND RELATED HETEROCYCLES - A straightforward single step method for the preparation and/or production of substituted quinazolines is disclosed, wherein said quinazolines preferably contain one substituent at position 4, and may contain other functional groups at various positions, such as 5, 6, 7, and/or 8 of quinazolines. In addition, the extension of this new method leads to the formation of different type of heterocyclic aromatic compounds, that include but are not limited to perimidines, anthrapyrimidin-7-ones (also known as anthrapyrimidinones), anthra[1,9:5,10]dipyrimidines (also known as quinazoline[5,4-ef]perimidines) and benzo[e]-pyrimido[4,5,6-gh]pyrimidines. | 11-08-2012 |