http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109534961-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-002 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-455 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-825 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-45 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-08 |
| filingDate | 2018-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109534961-B |
| titleOfInvention | Method for synthesizing 4-alkylresorcinol by solvent-free system |
| abstract | The invention relates to the technical field of organic synthesis, in particular to a method for synthesizing 4-alkylresorcinol by a solvent-free system, which comprises the following steps: (1) uniformly mixing resorcinol, zinc chloride and alkyl acid, heating, stirring, reacting, cooling, adding water to precipitate solid, filtering, drying, and recrystallizing to obtain 4-acyl resorcinol; (2) dissolving 4-acylresorcinol in trifluoroacetic acid, dropwise adding triethylsilane, heating, stirring, reacting, cooling, standing, layering, extracting and drying an organic layer, filtering and concentrating to obtain a crude product, and recrystallizing to obtain the 4-alkylresorcinol. According to the invention, the triethylsilane/trifluoroacetic acid system is applied to the synthesis of 4-alkylresorcinol for the first time, the reaction conditions are milder and easy to control, and the post-treatment method is simple; and because no solvent is contained in the system, the waste generated in industrial amplification is greatly reduced, so that the whole process is more environment-friendly. |
| priorityDate | 2018-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 67.