http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-101735106-B
Outgoing Links
Predicate | Object |
---|---|
assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c2ae295b65f7a67fef9f63fbf7d99b99 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D257-04 |
filingDate | 2009-12-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2013-12-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2ec988dbef9493cd5d38f5f035d48cb8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4ae45515a20b3f12afdc339bdb7e080e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a07a2682713086a8e3961c204ae32ab7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_11d73cc905f88b0b4661ad2269f24908 |
publicationDate | 2013-12-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | CN-101735106-B |
titleOfInvention | Method for preparing biphenyl compound |
abstract | Belonging to field of pharmaceutical chemistry, the invention relates to a method for preparing biphenyl compound. The preparation method comprises the following steps: dissolving a raw material in water solution composed of organic solvent and alkaline; then adding reducing agent into the mixture in batches for carrying out debromination reaction; after completion of the reaction, carrying out standing layering and concentration on the mixture at room temperature to obtain the compound with a formula I; wherein the raw material is a compound with a structural formula II or biphenyl compound crude product recovered from crystallized mother liquor obtained by brominating the compound with the formula I. |
priorityDate | 2009-12-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.