http://rdf.ncbi.nlm.nih.gov/pubchem/patent/IE-41190-B1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D265-06 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A23L27-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D265-06 |
| filingDate | 1975-07-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1979-11-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | IE-41190-B1 |
| titleOfInvention | 6-methyl-2h-1,3-oxazin-2,4(3h)dione-3-sulfohalides processfor preparing them and their transformation into sweetener |
| abstract | Compounds of the formula I in which X denotes fluorine or chlorine are prepared by reacting fluorosulphonyl isocyanate or chlorosulphonyl isocyanate with diketene, acetoacetyl fluoride, acetoacetyl chloride, acetic acid or with an isopropylene ester at temperatures from -35 to +70 DEG C. The isopropylene ester has the formula CH2=C(OOCR)-CH3, where R denotes an alkyl radical having 1 to 4 C atoms or an optionally substituted phenyl or benzyl radical. The resulting compounds of the formula I in which X represents F can, if desired, be converted into a compound of the formula VI, which is a known sweetener, by ring opening using water and cyclisation by means of bases. <IMAGE>n[GB1508870A] |
| priorityDate | 1974-07-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 33.