http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1408653-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B5-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B1-005 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B5-2472 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D231-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D221-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D275-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B1-503 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B5-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B1-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B1-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D275-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D221-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B5-24 |
| filingDate | 1973-01-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1975-10-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1408653-A |
| titleOfInvention | Production of diamino-alpha,alpha,-dianthraquinonyls |
| abstract | 1408653 Preparing diamino-α,α<SP>1</SP>-dianthraquinonyls BADISCHE ANILIN- & SODAFABRIK AG 19 Jan 1973 [21 Jan 1972] 2874/73 Heading C4P Diamino α,α<SP>1</SP>-dianthraquinonyl compounds of the general formula wherein one X is primary amino and the others are H or hydroxy, one X<SP>1</SP> is primary amino and the others are H or hydroxy or in which one X or one X<SP>1</SP> forms together with the carbon atom of an adjacent anthraquinonoid keto group a fused six membered carbocyclic or five or six membered heterocyclic group and the others are H, hydroxy or primary amino including one primary amino group on each anthraquinonyl ring, and in which Y and Z are H, (R<SP>1</SP>) m wherein R<SP>1</SP> is a carbamoyl group or an N-(C 1 -C 4 alkyl)- carbamoyl group and m is 1 or a group (R<SP>2</SP>) n wherein R<SP>2</SP> is an o-dicarboximido group optionally substituted at the N atom by C 1 -C 4 alkyl or phenyl are prepared by reacting two molar parts of an aliphatic or aromatic sulphonamide with one molar part of a compound of the above formula wherein the amino groups are replaced by chlorine atoms in presence of an acid acceptor and as catalyst copper, a cupric salt, or a cuprone salt or mixture thereof to replace each chlorine atom by a sulphamoyl group which is hydrolysed to primary amino with a strong acid. The reaction preferably takes place at 150- 250‹ C. in an inert high boiling solvent using o-toluenesulphonamide, p-toluenesulphonamide or benzenesulphonamide in presence of sodium or potassium acetates or potassium carbonate as preferred acid acceptors. The hydrolysis takes place at 0-30‹ C. preferably using 88- 98% by weight sulphuric acid. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0293712-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0293712-A3 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4969954-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5078794-A |
| priorityDate | 1972-01-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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