http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102702143-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b6ace374f731c9d9bb07e3de78b2194a |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-46 |
| filingDate | 2012-06-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2014-06-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_983f1ea93356dcb9e5b6a2f9479cd46a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a58257ed4ff6ec6a243b062642a6b45d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_38c6b625579e7e2af4aa6506781167e6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_94708896835aa52f482f8f63494262d8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cd72d5a21df0a057df6f29d8d6c01357 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_88c02aad2c13cb17d6ae60c9fc84fa31 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8cfc7b2abcce6db7e3ed3c62ccf3a21a |
| publicationDate | 2014-06-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102702143-B |
| titleOfInvention | Method for preparing 2-acetylfuran |
| abstract | The invention relates to a method for preparing 2-acetylfuran, which comprises the reaction step of furan acetylation. In the acetylation reaction, in the presence of acetic acid, zinc chloride is used as a catalyst, and acetic anhydride and furan are acylated. The anhydrous zinc chloride is used as the catalyst, so that the acylation reaction temperature and the acylation time are reduced, conditions for furan polymerization are reduced, and the yield is increased. The addition of the acetic acid overcomes the defect that furan autopolymer is produced easily when lewis acid is used as the catalyst for the acylation reaction. Because the zinc chloride and the acetic acid are used, the feed ratio of the reaction raw materials furan and the acetic anhydride is reduced from 1:1.5 in the prior art to 1:1.06, i.e. the reaction is complete, and the difficulty in recycling finished products at the later period is reduced. After the acetic acid is recycled, a finished product can be obtained through direct distillation, complex postprocessing steps such as neutralization, extraction, solvent distillation and the like are avoided, the process flows are greatly reduced, the energy consumption is reduced, and environment pollution increased by unorganized emission is eliminated. |
| priorityDate | 2012-06-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 33.