GB1140434A - Process for making symmetrical tetrachloroacetone - Google Patents
Process for making symmetrical tetrachloroacetoneInfo
- Publication number
- GB1140434A GB1140434A GB1664867A GB1664867A GB1140434A GB 1140434 A GB1140434 A GB 1140434A GB 1664867 A GB1664867 A GB 1664867A GB 1664867 A GB1664867 A GB 1664867A GB 1140434 A GB1140434 A GB 1140434A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tetrachloroacetone
- symmetrical
- palladium
- hexachloroacetone
- april
- 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
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/65—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
Abstract
1,140,434. Symmetrical tetrachloroacetone. WYANDOTTE CHEMICALS CORP. 11 April, 1967 [25 April, 1966], No. 16648/67. Heading C2C. Symmetrical tetrachloroacetone is prepared by hydrogenating pentachloroacetone or hexachloroacetone in the presence of a palladium catalyst. The catalyst comprises metallic palladium which may be carried on a suitable support material e.g. activated carbon, or an inorganic salt. The finished catalyst preferably contains from 0À5-10 weight per cent of palladium. It is preferred to use at least 1 mole of hydrogen per mole of penta- or hexachloroacetone, an excess of hydrogen usually being employed. Atmospheric pressure is preferably employed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54480466A | 1966-04-25 | 1966-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1140434A true GB1140434A (en) | 1969-01-22 |
Family
ID=24173664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1664867A Expired GB1140434A (en) | 1966-04-25 | 1967-04-11 | Process for making symmetrical tetrachloroacetone |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE697514A (en) |
| DE (1) | DE1643210A1 (en) |
| GB (1) | GB1140434A (en) |
| NL (1) | NL6705357A (en) |
-
1967
- 1967-04-11 GB GB1664867A patent/GB1140434A/en not_active Expired
- 1967-04-17 NL NL6705357A patent/NL6705357A/xx unknown
- 1967-04-25 DE DE19671643210 patent/DE1643210A1/en active Pending
- 1967-04-25 BE BE697514D patent/BE697514A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6705357A (en) | 1967-10-26 |
| BE697514A (en) | 1967-10-25 |
| DE1643210A1 (en) | 1971-06-09 |
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