GB560094A - Improvement in sulfauro compounds and processes for their production - Google Patents
Improvement in sulfauro compounds and processes for their productionInfo
- Publication number
- GB560094A GB560094A GB10827/42A GB1082742A GB560094A GB 560094 A GB560094 A GB 560094A GB 10827/42 A GB10827/42 A GB 10827/42A GB 1082742 A GB1082742 A GB 1082742A GB 560094 A GB560094 A GB 560094A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cyanide
- added
- solution
- aurous
- aurous cyanide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/02—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
- C07C319/12—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by reactions not involving the formation of mercapto groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
Organic sulphauro compounds are prepared by reacting a mercapto compound R-SH with aurous cyanide or an alkali aurocyanide. R p may be a substituted or unsubstituted alkyl or aryl radical. In examples (1) an aqueous solution of thiomalic acid is added to an aqueous suspension of aurous cyanide and heated on the steam bath. The product is evaporated and triturated with hot ethyl acetate to give pure auro-thiomalic acid. (2) A solution of gold chloride is added to a solution of sodium bisulphite, potassium hydroxide and potassium cyanide in water and the product added to cysteine hydrochloride to give aurocysteine. (3) An aqueous suspension of aurous cyanide is added to p-acetamino-thiophenol to give p-sulphauro-acetanilide. (4) An alcoholic solution of cetyl mercaptan is treated with active aurous cyanide to form cetyl auromercaptan. The aurous cyanide is prepared in a form suitable for use in the present invention by pouring one mol of reagent gold chloride slowly with stirring into a solution prepared by dissolving 4 mols. sodium hydroxide, one mol. sodium bisulphite and two mols. sodium cyanide in the above order. The mixture is heated on the steam for 1/2 hour and then an equal volume of concentrated hydrochloric acid added. Heating is continued for one hour to form a yellow precipitate of aurous cyanide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US560094XA | 1941-12-13 | 1941-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB560094A true GB560094A (en) | 1944-03-20 |
Family
ID=22001567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10827/42A Expired GB560094A (en) | 1941-12-13 | 1942-08-03 | Improvement in sulfauro compounds and processes for their production |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB560094A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480342A (en) * | 1946-06-14 | 1949-08-30 | Hoffmann La Roche | Metal derivatives of orthocarbamyl-benzenethiol |
US2994614A (en) * | 1958-11-19 | 1961-08-01 | Engelhard Ind Inc | Gold decorating compositions containing gold primary mercaptides |
-
1942
- 1942-08-03 GB GB10827/42A patent/GB560094A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2480342A (en) * | 1946-06-14 | 1949-08-30 | Hoffmann La Roche | Metal derivatives of orthocarbamyl-benzenethiol |
US2994614A (en) * | 1958-11-19 | 1961-08-01 | Engelhard Ind Inc | Gold decorating compositions containing gold primary mercaptides |
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