http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2004506725-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D277-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D417-06 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D417-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D277-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D277-30 |
| filingDate | 2001-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2004-03-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2004506725-A |
| titleOfInvention | Preparation of thiazole derivatives under catalytic action |
| abstract | The following formula: Embedded image Wherein Q is CH or N; Y is NO 2 or CN; Z is CHR 3 , O, NR 3 or S; R 1 and R 2 are unsubstituted or substituted by hydrogen or R 4 An alkylene bridge which is C 1 -C 8 alkyl or has 2 or 3 carbon atoms and optionally comprises a heteroatom selected from the group consisting of NR 5 , O and S; A process for preparing a compound, wherein in each case R 3 is unsubstituted or substituted C 1 -C 12 alkyl by H or R 4 , in free or salt form, a) The following formula, wherein X represents a leaving group: Embedded image By reacting a compound represented by the formula with a chlorinating agent, Embedded image Forming a compound represented by: b) converting the compound of formula (III) thus obtained into a compound of the following formula wherein R 1 , R 2 , Y, Z and Q have the same meanings as defined for the compound of formula (I): Embedded image Reacting the compound of Wherein the chlorination in production step a) is carried out using a chlorinating agent in the presence of a catalytic amount of SO 2 ; represented by formula (III) according to production step a) Disclosed are methods for preparing compounds; and the use of the compounds represented by formulas (II), (III) and (IV) in the above methods. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2007080903-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8304558-B2 |
| priorityDate | 2000-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 91.