http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114436974-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_220db96b805eac0e303bffeb187db6c7 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-88 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-88 |
| filingDate | 2022-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_097d9b8e066cd3b58725366c8ab447f6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d3bd06b658d5f9aac17c53821c51338d |
| publicationDate | 2022-05-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114436974-A |
| titleOfInvention | A kind of synthetic method of 7-bromo-6-chloro-4(3H)-quinazolinone |
| abstract | The invention discloses a method for preparing 7-bromo-6-chloro-4(3H)-quinazolinone. The compound is an anticoccidial drug with broad spectrum, high efficiency, safety, low toxicity and no cross-resistance Key intermediate of halofuginone hydrobromide. The method takes 2,4-dibromo-5-chlorobenzoic acid as a raw material and reacts with formamidine acetate to obtain a product 7-bromo-6-chloro-4(3H)-quinazolinone in only one step. The invention has the advantages of simple synthesis process, low production cost, few steps, high total yield and low pollution, and is suitable for large-scale industrial production. |
| priorityDate | 2022-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 68.