| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_46ffc67cd29dd51dbd0bc0e335dd3994 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-79
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-786
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-72
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-81
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-80 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-17
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-81
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-79
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-78
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-80
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-75
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate |
1990-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_04fb1d511ba067a17d9ae2fa177a3daf |
| publicationDate |
1994-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
MY-105713-A |
| titleOfInvention |
Synthesis of alpha-hydroxy ketones. |
| abstract |
THIS INVENTION RELATES TO A PROCESS FOR CONDENSING ALDEHYDES TO ALPHA - HYDROXYKETONES IN A LIQUID SYSTEM CONTAINING AN ALDEHYDE AND AN ACTIVE CONDENSATION CATALYST FORMED BY THE ABSTRACTION OF HX FROM A THIAZOLIUM SALT IN WHICH X IS THE ANION. THE REACTION IS CARRIED OUT IN THE ABSENCE OF A BASE (OTHER THAN THE ACTIVE CATALYST)AND THE ANION X. THE CATALYST IS RENDERED FREE OF THE UNDESIRABLE BASE AND THE ANION X BECAUSE THESE ARE THE CAUSE OF PREMATURE DEACTIVATION OF THE CATALYST. |
| priorityDate |
1989-07-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |