http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-849065-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_9799ffcda2dbb45041a5ab0fd08dd5fe |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03C7-3212 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03C7-32 |
| filingDate | 1956-09-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1960-09-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-849065-A |
| titleOfInvention | Photographic silver halide emulsions containing colour couplers and methods of processing them |
| abstract | a -a Bis-dodecyloxy-m-toluidine is prepared by adding m-nitrobenzaldehyde in dry toluene to lauryl alcohol in toluene in the presence of ptoluene sulphonic acid, and reducing the nitro group of the a -a -bis-dodecyloxy-3-nitrotoluene so formed. The toluidine may be reacted with ethyl a -benzoyl acetate, ethyl-p-nitro-a -benzoyl acetate or ethyl a -acetyl acetate to yield respectively a -benzayl-3-[bis (dodecyloxy) methyl] acetanilide, a -(4-nitrobenzoyl)-3-[bis (dodecyloxy) methyl] acetanilide (which may be reduced to the corresponding a -(4-amino-benzoyl) compound) and a -acetyl-3-(bis (dodecyloxy) methyl] acetanilide. 1-Hydroxy-N-[3, 3-bis (acetyloxy) propyl]-2-naphthamide is prepared by saturating n-octyl alcohol with hydrogen chloride at 0 DEG C. and adding acrolein to the ice-cold solution, shaking the 1, 1-bis-octyloxy-3-chloropropane so formed with liquid ammonia in a bomb and heating to give 3, 3-bis-actyloxy-propylamine, and reacting this with phenyl 1-hydroxy-2-naphthoate. 1-Carbethoxyoxy-2-naphthoic acid is prepared by adding ethyl chlorocarbonate to a mixture of 1-hydroxy-2-naphthoic acid and dimethylaniline in dioxane. Treatment of the acid with thionyl chloride gives the corresponding acid chloride. This acid chloride may then be reacted with a -a -bis-dodecyloxy-m-toluidine or a -a -bis-benzyloxy-m-toluidine in the presence of triethylamine to give respectively 3-[3-bis (dodecyloxy), methyl phenyl] naphth [2, 1-e]-m-oxazine-2, 4-dione and 3-[3-Bis (benzyloxy) methylphenyl] naphth (2, 1-e]-m-oxazine-2, 4- dione. Alkaline alcoholic hydrolysis of the former product gives 1-hydroxy-N-[3-bis (dodecyloxy) methylphenyl]-2-naphthamide. Specifications 524,154, 524,554, 524,555, 524, 557 and 541,589 are referred to. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6344086-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5470697-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3201412-A |
| priorityDate | 1955-09-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 65.