http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20010071762-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D233-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D231-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D249-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D521-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D233-90 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D233-61 |
| filingDate | 1999-07-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2001-07-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20010071762-A |
| titleOfInvention | Method for Producing Carbonyl Diimidazoles |
| abstract | The present invention relates to a process for preparing the carbonyldiimidazoles of the formulas (Ia), (Ib) and (Ic) or mixtures thereof.n n n <Formula Ia>n n n n n n n n <Formula Ib>n n n n n n n n <Formula Ic>n n n n n n n n Wherein R 1 is hydrogen or a C 1-4 -alkyl radical and R 2 is hydrogen or a methyl radical.n n n According to the invention, the stoichiometry for an imidazole of an organic nitrogen base having a lower pK b value than imidazole in a reaction mixture in which at least one imidazole of the formulas (IIa) and (IIb) is reacted with phosgene in an inert solvent Add a theoretical amount.n n n <Formula IIa>n n n n n n n n <Formula IIb>n n n n n n n n Wherein R 1 and R 2 are as mentioned above |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-102473775-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-101126954-B1 |
| priorityDate | 1998-07-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 49.