http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-I235683-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_59e1d955a7b1560dc68cf7fd800e8fac |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C401-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J19-123 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J19-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C401-00 |
| filingDate | 1999-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2005-07-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a73473595c822e34f930b2c5c6566cd9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_685fba71a8d73b8a1226b03e431af4b1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5fc7eb6ecfeb3e115458d8975e7bef62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_003f7746c90fad98ffab79f57abb5e43 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7f24412ca3c8733fe02b43d8931b7e67 |
| publicationDate | 2005-07-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | TW-I235683-B |
| titleOfInvention | Ultraviolet irradiation apparatus for photochemical reaction and preparation process of vitamin D derivative making use of the same |
| abstract | Disclosed herein are an ultraviolet irradiation apparatus for photochemical reactions which can irradiate the photo-reactive solution with ultraviolet rays having a specific wavelength suitable for the intended photochemical reaction at a high efficiency, and a process by which a provitamin D derivative can be converted into a provitamin D derivative at a high efficiency by means of a photochemical reaction by one-step process of light irradiation, thereby preparing a vitamin D derivative at a high efficiency. The ultraviolet irradiation apparatus irradiates the photo-reactive solution with the ultraviolet rays having the specific wavelength through a quartz rod. Specifically, the apparatus is constructed by an electric discharge lamp, a condensing and reflecting mirror and a plane mirror both having wavelength selective property, an optical filter which transmits the ultraviolet rays having the specific wavelength, and a quartz rod on which the ultraviolet rays having the specific wavelength are struck. The photo-reactive solution is irradiated with the ultraviolet rays from the quartz rod. The quartz rod is immersed in the photo-reactive solution, or a reaction vessel is irradiated with the ultraviolet rays from the quartz rod. In the preparation process of the vitamin D derivative, an ultraviolet irradiation apparatus for photochemical reactions having an ultraviolet radiation-emitting lamp, an optical system having wavelength selective property and a quartz rod on which the ultraviolet rays having the specific wavelength from the optical system are struck is used, and a solution of a provitamin D derivative is irradiated with the ultraviolet rays having the specific wavelength emitted from the quartz rod to cause a photochemical reaction of the provitamin D derivative solution, thereby forming a previtamin D derivative. The previtamin D derivative is further subjected to a thermal isomerization reaction to prepare the vitamin D derivative. |
| priorityDate | 1998-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 80.