http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5907048-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8fb9f44db08d1c42a53f3d28eaae416f |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D309-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D309-18 |
| filingDate | 1997-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1999-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f6a14a7a4eb23c48d65bf3da7b9950b6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f7f7e29590de2d251b0af007fdfa8d9e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cecf896510029bf2a43fccd10537aa3d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_62d6ccb186759c1d6efbc8265d4a39ba http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_602e5311c2189f85867097d249f552e5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8977bdaf5f824aab66a48162efde1f02 |
| publicationDate | 1999-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-5907048-A |
| titleOfInvention | Process for preparing dihydropyrane compound |
| abstract | To provide a simple process for economically preparing a dihydropyrane compound at a high productivity and a high reaction yield. To use a compound selected from the group consisting of a base and a compound (VIII) having a weaker coordination power to the Lewis acid than the aldehyde compound and having an activity to dissolve the Lewis acid, coordinated by the compound (VIII), in a solvent as a co-catalyst in reacting aldehyde with a diene compound in the presence of a Lewis acid to prepare a 5,6-dihydro-2H-pyrane compound represented by formula (III): in which R1 represents a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, aryl group which may be substituted with alkyl group, having 6 to 12 total carbon atoms; R2 and R3 represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6600079-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2006067089-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6596686-B2 |
| priorityDate | 1996-10-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 260.