http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-649604-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_14f86e164bb6ab1032c519b42ff81a64 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C1-56 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C1-56 |
| filingDate | 1948-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1951-01-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-649604-A |
| titleOfInvention | Diazotype photoprinting materials sensitized with aryl diazo sulfones |
| abstract | Diazo sulphones of the general formula R-N=N-SO2-R1, wherein R is an aryl, substituted aryl, or heterocyclic radical and R1 an alkyl, cycloalkyl, aryl, substituted aryl, or heterocyclic radical, are prepared (a) by condensing a diazo compound with a sulphinic acid, (b) by oxidizing a b -arylsulphonhydrazide, (c) by condensing a diazonium salt with a sulphonamide, or (d) by decomposing a diazo thiosulphonate. 2 : 5 - Diethoxy - 4 - benzamidobenzenediazo-(p-acetamidophenyl)-sulphone is prepared by diazotizing 2 : 5-diethoxy-4-benzamidoaniline hydrochloride in aqueous hydrochloric acid containing formic acid, destroying excess nitrous acid with sulphamic acid, and adding to an aqueous sodium carbonate solution of p-acetamidobenzenesulphinic acid. 4-Diethylaminobenzenediazo - (p - aminophenyl) - sulphone, diphenylamine - 4 - diazo - (p - aminophenyl) - sulphone, 4 - (N - ethyl : N - benzylamino) - benzenediazo - (p - aminophenyl)-sulphone, 4 - morpholinobenzenediazo - (p-aminophenyl) - sulphone, p - (N - methyl : N-b - hydroxyethylamino) - benzenediazo - (p-aminophenyl) - sulphone, 2 : 5 - dimethoxy - 4-benzamidobenzenediazo - (p - acetamidophenyl)-sulphone, 2 : 5 - dimethoxy - 4 - benzamidobenzenediazo - (p - methoxyphenyl) - sulphone, 2 - methyl - 5 - methoxy - 4 - benzamidobenzenediazo - (p - acetamidophenyl) - sulphone, 2-methyl - 5 - methoxy - 4 - benzamidobenzenediazo-(p - ethoxyphenyl) - sulphone, p - diethylaminobenzenediazo - (p - aminophenyl) - sulphone, 4-(21 : 61 - dichlorobenzylamino) - benzenediazo-(p - aminophenyl) - sulphone, 3 - phenoxy - 4-(21 : 61 - dichlorobenzylamino) - benzenediazo-(p - aminophenyl) - sulphone, 2 : 5 - dimethoxy-4 - benzamidobenzenediazo - (methyl) - sulphone, 2 : 5 - dimethoxy - 4 - benzamidobenzenediazo-(ethyl) - sulphone, 2 : 5 - dimethoxy - 4 - benzamidobenzenediazo - (benzyl) - sulphone, 2 : 5-dimethoxy - 4 - benzamidobenzenediazo - (decyl)-sulphone, 4 - dimethylaminobenzenediazo - (p-aminophenyl) - sulphone, 5 - ethylamino - 3-methylbenzenediazo - (p - aminophenyl) - sulphone, 4 - dimethylamino - 2 - methylbenzenediazo - (p - aminophenyl) - sulphone, 4 - diethylamino - 2 - ethoxybenzenediazo - (p - aminophenyl) - sulphone, 4 - dimethylamino - 2-ethoxybenzenediazo - (p - aminophenyl) - sulphone, 4 - ethylpropylamino - 2 - methoxybenzenediazo - (p - aminophenyl) - sulphone, 4-ethylbutylamino - 2 - methoxybenzenediazo - (p-aminophenyl) - sulphone, 4 - (N - b - hydroxyethyl : N - ethylamino) - benzenediazo - (p-aminophenyl) - sulphone, and 4 - benzylamino-2 : 5 - diethoxybenzenediazo - (p - aminophenyl)-sulphone are similarly prepared. Specification 613,534,[Group XX], is referred to. |
| priorityDate | 1947-07-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.