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| Number | Title | Issue Date |
| 8299247 | Material for organic electroluminescence device and organic electroluminescence device A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I): wherein X1 and X2, which may be the same or different, are any of sp... | 10/30/2012 |
| 6686470 | Compounds of the saframycin-ecteinascidin series, uses, and synthesis thereof Compounds of the saframycin-ecteinascidin series with cytotoxic properties having the following general formula, their uses and synthesis, are disclosed: ##STR1## wherein R1 and R4 is H, a C1 to C4 alkyl group, ... | 02/03/2004 |
| 5886180 | 25-methylene and 24-25 -epoxy marcfortines and paraherquamides The present invention are marefortines and paraherquamides where the 7-member oxygenated ring has been modified to produce 25-methylene compounds (VII) and 24,25-epoxy compounds (VIII) all of which are useful as antiparasitic agents against endo and ecto ... | 03/23/1999 |
| 5750695 | Antiparasitic paraherquamides The present invention includes various substituted and paraherquamides, exemplified by the 14-hydroxy-2-deoxoparaherquamide B of formula (XXV) which are useful as antiparasitic agents.... | 05/12/1998 |
| 5703078 | Antiparasitic marcfortines and paraherquamides The present invention includes various substituted marcfortines of the type exemplfied by the compounds of formula ##STR1## and paraherquamides which are useful as antiparasitic agents.... | 12/30/1997 |
| 5484717 | Antibiotic 31F5081, 31F5082, 31F508ଲ1, 31F508ଲ2 This invention relates to antibiotic 31F508댑, 31F508댒, 31F508댡 and 31F508댢, derived from the microorganism Streptomyces viridodiastaticus subsp. "littus" which are useful as an anti-b... | 01/16/1996 |
| 5426108 | Antibiotic 31F508 ALPHA1, ALPHA2, BETA1 and BETA2 This invention relates to antibiotic 31F508댑 of the formula ##STR1## 31F508댒, 31F508댡 and 31F508댢, derived from the microorganism Streptomyces viridodiastaticus subsp. "littus" w... | 06/20/1995 |
| 5367074 | Preparation of 7,16-dichlorodianthraquinone-N,N'-dihydroazine 7,16-Dichlorodianthraquinone-N,N'-dihydroazine (I) ##STR1## is prepared by condensing 1-amino-3-chloroanthraquinone (II) in the presence of an alkaline condensing aid, of an oxidizing agent and of a urea derivative (III) ##STR2## (R: identi... | 11/22/1994 |
| 5350853 | Preparation of dianthraquinone-N,N'-dihydroazine and its chlorination products A process for preparing dianthraquinone-N,N'-dihydroazine (I) ##STR1## and its chlorination products (Ia) ##STR2## where n is 1 or 2, by condensation of 1-aminoanthraquinone (II) in the presence of an alkaline condensing aid, an oxidizing agent ... | 09/27/1994 |
| 5334727 | Pyrazole-containing pigment derivatives Pyrazole derivatives of a variety of polycyclic pigments, particularly quinacridone pigments, corresponding to the general formula ##STR1## wherein Q is the primary pigment structure; and the use of such derivatives as additives to pigment systems to... | 08/02/1994 |
| 5286727 | N-methylepiamauromine, epiamauromine and cycloechinulin antiinsectan metabolites Diketopiperazine compounds designated N-methylepiamauromine, epiamauromine and cycloechinulin have been isolated from the sclerotia of the fungi Aspergillus ochraceus. The compounds are effective for controlling Coleopteran and Lepidopteran insects. The c... | 02/15/1994 |
| 5264032 | Pigment preparations Pigment preparation essentially comprising a) at least one pigment from the class of azo, anthrapyrimidine, anthanthrone, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, flavanthrone, indanthrone, isoindolinone, isoviolanthrone, perylene, phthalo... | 11/23/1993 |
| 4816586 | Delta opioid receptor antagonists Delta-opioid receptor antagonists are disclosed of the formula: ##STR1## wherein R1 is (C1 -C5)alkyl, C3 -C6 (cycloalkyl)alkyl, C5 -C7 (cycloalkenyl)alkyl, aryl, aralkyl, tr... | 03/28/1989 |
| 4628091 | Process for producing dianthraquinone-N,N'-dihydrazine and its chlorination product A process for producing dianthraquinone-N,N'-dihydrazine or its chlorination product, which comprises condensing 1-aminoanthraquinone at an elevated temperature in the presence of 1,3-dimethyl-2-imidazolidinone using an oxidizing agent and an alkaline con... | 12/09/1986 |
| 4076713 | Indanthrene dyes A process for the preparation of a vat dye of the dianthraquinone-azine or dianthraquinone-N,N'-dihydroazine series, or a higher cyclic homologue thereof, which comprises reacting a primary amine selected from the group consisting of amino anthraquinones,... | 02/28/1978 |
| 4045414 | New di-substituted meta-terphenyl compounds and resulting polymers New tetracarbonyl compounds of the formulae: ##STR1## where R is a hydrogen atom, an alkyl radical or an aryl radical. The invention also contemplates the thermostable polymers obtained by reacting an aromatic tetra-amine with at least one of the abo... | 08/30/1977 |