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Class 544/341 - Halogen, nitrogen, or carbon attached directly to the heptacyclo ring system by nonionic bonding


Subclass of Class 544 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein halogen, nitrogen, or carbon is attached
No. of patents: 16
Last issue date: 10/30/2012


NumberTitleIssue Date
8299247Material 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
6686470Compounds 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
588618025-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
5750695Antiparasitic 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
5703078Antiparasitic 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
5484717Antibiotic 31F508଱1, 31F508଱2, 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
5426108Antibiotic 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
5367074Preparation 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
5350853Preparation 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
5334727Pyrazole-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
5286727N-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
5264032Pigment 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
4816586Delta 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
4628091Process 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
4076713Indanthrene 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
4045414New 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
 
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