http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2548862-A1
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d9cb217f83556ce2a418344c2d485415 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D225-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D201-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D201-04 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D201-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D225-02 |
filingDate | 2011-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aad18ad5dfa29d42023820a547f2892a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_22d8937386b811602ba236775d0e729f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7b4ef994f3afabb672a181824e23bb9b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ba535f82b81480d045f716e8e307d5ca http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5d1b2ca01d7470c1b434417f907625eb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6b092043183de925a713684e21b13a56 |
publicationDate | 2013-01-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | EP-2548862-A1 |
titleOfInvention | Method for producing amide compound |
abstract | The present invention relates to a method for producing a high purity, high quality amide compound, particularly, lactam. A first embodiment of the present invention is characterized in that an amount of each of a halide, an aldehyde compound, an alcohol compound and a nitrile compound contained in a solution recycled into an oxime-forming step is controlled to an amount of 0.4 mol% or less based on the ketone as a starting material. A second embodiment of the present invention is characterized in that one or more compounds selected from the group consisting of a ketone, an oxime and an amide compound are purified by hydrogenation and/or crystallization for eliminating impurities containing a double bond. A third embodiment of the present invention is characterized in that a content of impurities having a cyclic bridge structure is controlled by using a cycloalkanone purified by recrystallization. |
priorityDate | 2010-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 510.