GB1024695A - Process for the manufacture of pure 2-chlorobutadiene-1,3 from monovinylacetylene and hydrogen chloride in an aqueous-acid cupro-chloride catalyst - Google Patents
Process for the manufacture of pure 2-chlorobutadiene-1,3 from monovinylacetylene and hydrogen chloride in an aqueous-acid cupro-chloride catalystInfo
- Publication number
- GB1024695A GB1024695A GB3805662A GB3805662A GB1024695A GB 1024695 A GB1024695 A GB 1024695A GB 3805662 A GB3805662 A GB 3805662A GB 3805662 A GB3805662 A GB 3805662A GB 1024695 A GB1024695 A GB 1024695A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chloride
- hydrogen chloride
- monovinylacetylene
- aqueous
- catalyst
- 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
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/07—Preparation of halogenated hydrocarbons by addition of hydrogen halides
- C07C17/08—Preparation of halogenated hydrocarbons by addition of hydrogen halides to unsaturated hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Chloroprene is prepared by introducing pure gaseous monovinylacetylene and gaseous hydrogen chloride into an aqueous-acid cuprous chloride catalyst containing 8-20% by weight cuprous chloride and 10-35% by weight hydrogen chloride, the molar ratio HCl: CuCl in the catalyst being from 4.3: 1 to 6: 1, and separating the resulting reaction products by distillation. Examples are given. Comparative examples employ ratios outside the range specified above. By-products obtained are 1-chlorobuta-1,3-diene, 1,3-dichlorobut-2-ene and methyl vinyl ketone.ALSO:A catalyst for the production of chloroprene from monovinylacetylene and hydrogen chloride (see Division C2) comprises an aqueous-acid cuprous chloride catalyst containing 8-20% by weight cuprous chloride and 10-35% by weight hydrogen chloride, the molar ratio of hydrogen chloride to cuprous chloride (calculated as CuCl) being in the range of from 4,3 : 1 to 6 : 1. Examples are given. Comparative examples describe catalysts of the above type in which the ratio of HCl to CuCl is from 2,25 : 1 to 4,3 : 1.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK44885A DE1149001B (en) | 1961-10-07 | 1961-10-07 | Process for the production of practically pure 2-chlorobutadiene (1, 3) from monovinylacetylene and hydrogen chloride in contact with aqueous acidic cuprous chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1024695A true GB1024695A (en) | 1966-03-30 |
Family
ID=7223636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3805662A Expired GB1024695A (en) | 1961-10-07 | 1962-10-08 | Process for the manufacture of pure 2-chlorobutadiene-1,3 from monovinylacetylene and hydrogen chloride in an aqueous-acid cupro-chloride catalyst |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1149001B (en) |
| GB (1) | GB1024695A (en) |
-
1961
- 1961-10-07 DE DEK44885A patent/DE1149001B/en active Pending
-
1962
- 1962-10-08 GB GB3805662A patent/GB1024695A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1149001B (en) | 1963-05-22 |
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