EP0187643A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Process for producing hydrocarbon fluoride
Assignee: Asahi Kasei Corp
•
Filing: 1986-01-03
•
Granted: —
•
Expires: 2006-01-03
Abstract
Abstract A process for producing a hydrocarbon fluoride at a high selectivity with minimum formation of by-products is disclosed, which comprises reacting a hydrogen-containing hydrocarbon halide with anhydrous hydrogen fluoride in a liquid phase in the presence of a reaction production of (i) at least one of (a) an oxygen-containing compound selected from the group consisting of H<sub>2</sub>0, H<sub>2</sub>0<sub>2</sub> and an oxygen-containing organic compound, and (b) a nitrogen-containing compound selected from the group consisting of NH<sub>3</sub> and a nitrogen-containing organic compound, (ii) a tin compound selected from the group consisting of a stannic halide, a stannic oxyhalide and an organotin compound, and (iii) anhydrous hydrogen fluoride.
Inventors
- 👤 Tohru Ide
- 👤 Takahiro Komatsu
- 👤 Hirohumi Akiyama
- 👤 Takao Kitamura
- 👤 Shinichi Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 00:07
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/20; C07C17/202; C07C17/206
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
100 words
A process for producing a hydrocarbon fluoride which comprises reacting a hydrogen-containing hydrocarbon halide with anhydrous hydrogen fluoride in a liquid phase in the presence of a reaction product of (i) at least one of (a) an oxygen-containing compound selected from the group consisting of H 2 0, H 2 0 2 and an oxygen-containing organic compound, and (b) a nitrogen-containing compound selected from the group consisting of NH 3 and a nitrogen-containing organic compound, (ii) a tin compound selected from the group consisting of a stannic halide, a stannic oxyhalide and an organotin compound, and (iii) anhydrous hydrogen fluoride.
Claim 2
Dependent Claim
100 words
A process for producing a hydrocarbon fluoride which comprises reacting a hydrogen-containing hydrocarbon halide with anhydrous hydrogen fluoride in a liquid phase in the presence of a reaction product of (i) at least one of (a) an oxygen-containing compound selected from the group consisting of H 2 0, H 2 0 2 and an oxygen-containing organic compound, and (b) a nitrogen-containing compound selected from the group consisting of NH 3 and a nitrogen-containing organic compound, (ii) a tin compound selected from the group consisting of a stannic halide, a stannic oxyhalide and an organotin compound, and (iii) anhydrous hydrogen fluoride.
Claim 3
Dependent Claim
14 words
A process according to claim 1, wherein the tin compound is a stannic halide.
Claim 4
Dependent Claim
13 words
A process according to claim 1, wherein the tin compound is stannic chloride.
Claim 5
Dependent Claim
19 words
A process according to any of the claims 1 to 3, wherein the oxygen-containing compound is H 2 0.
Claim 6
Dependent Claim
19 words
A process according to any of the claims 1 to 3, wherein the oxygen-containing organic compound is an alcohol.
Claim 7
Dependent Claim
13 words
A process according to claim 5, wherein the alcohol is a monohydric alcohol.
Claim 8
Dependent Claim
20 words
A process according to any of the claims 1 to 3, wherein the nitrogen-containing organic compound is pyridine or triethylamine.
Claim 9
Dependent Claim
66 words
A process according to any of the claims 1 to 7, wherein the hydrogen-containing hydrocarbon halide is represented by formula (I) wherein X represents a halogen atom other than F ; R represents a hydrogen atom, a halogen atom, a hydrocarbon group, or a hydrocarbon halide group; and R 2 and R 3 each represents a halogen atom, a hydrocarbon group, or a hydrocarbon halide group.
Claim 10
Dependent Claim
13 words
A process according to claim 8, wherein the hydrogen-containing hydrocarbon halide is 1,1,1-trichloroethane.
Claim 11
Dependent Claim
13 words
A process according to claim 8, wherein the hydrogen-containing hydrocarbon halide is 1,1,1,2-tetrachloroethane.
Claim 12
Dependent Claim
52 words
A process according to any of the claims 1 to 7, wherein the hydrogen-containing hydrocarbon halide is represented by formula (II) wherein X represents a halogen atom other than F ; and R 4 and R each represents a hydrogen atom, a halogen atom, a hydrocarbon group, or a hydrocarbon halide group.
Claim 13
Dependent Claim
13 words
A process according to claim 11, wherein the hydrogen-containing hydrocarbon halide is 1,1,2-trichloroethane.
Claim 14
Dependent Claim
13 words
A process according to claim 11, wherein the hydrogen-containing hydrocarbon halide is 1,2-dichloro-l-fluoroethane.
Claim 15
Dependent Claim
85 words
A process according to any of the claims 1 to 7, wherein the hydrogen-containing hydrocarbon halide is represented by formula (III) wherein R 6 represents a hydrogen atom, a halogen atom, a hydrocarbon group, or a hydrocarbon halide group; and R 7 and R 8 each represents a halogen atom, a hydrocarbon group, or a hydrocarbon halide group, provided that R 7 and R 8 are not a hydrocarbon groups at the same time when R 6 is a hydrogen atom or a hydrocarbon group.
Claim 16
Dependent Claim
13 words
A process according to claim 14, wherein the hydrogen-containing hydrocarbon halide is 1,1-dichloroethylene.
Claim 17
Dependent Claim
13 words
A process according to claim 14, wherein the hydrogen-containing hydrocarbon halide is trichloroethylene.
Claim 18
Dependent Claim
66 words
A process according to any of the claims 1 to 7, wherein the hydrogen-containing hydrocarbon halide is represented by formula (IV-1) or (IV-2) : wherein R 9 and R 10 each represents a hydrogen atom, a halogen atom, a hydrocarbon group, or a hydrocarbon halide group, provided that R 9 and R 10 are not a hydrogen atom and/or a hydrocarbon group at the same time.
Claim 19
Dependent Claim
14 words
A process according to claim 17, wherein the hydrogen-containing hydrocarbon halide is 1,2-dichlcro- ethylene.
Claim 20
Dependent Claim
23 words
A process according to any of the claims 1 to 18, wherein the reaction pressure ranges from 3 tc 30 kg/cm 2 G.
Claim 21
Dependent Claim
20 words
A process according to any of the claims 1 to 19, wherein the reaction temperature ranges from 50 tc 200°C.
Claim 22
Dependent Claim
28 words
A process according to any of the claims 1 to 20, wherein the molar ratio of F to Sn in the reaction liquid ranges from 6/1 to 100/1.
Claim 23
Dependent Claim
31 words
A process according to any of the claims 1 to 6 or 8 to 21, wherein the molar ratio of O to Sn said reaction product ranges from 0.2/1 to 2/1.
Claim 24
Dependent Claim
51 words
A process according to claim 1, wherein the oxygen-containing compound is H 2 0 or an alcohol, the tin compound is a stannic halide, the hydrogen-containing hydrocarbon halide is 1,1,2-trichloroethane, and the molar ratio of O to Sn in said reaction product is in the range of from 0.2/1 to 2/1.
Claim 25
Dependent Claim
53 words
A process according to claim 1, wherein the oxygen-containing compound is H 2 0 or an alcohol, the tin compound is a stannic halide, the hydrogen-containing hydrocarbon halide is 1,1-dichloroethylene or 1,1,1-trichloroethane, and the molar ratio of O to Sn in said reaction product is in the range of from 0.2/1 to 2/1.
Claim 26
Dependent Claim
32 words
A process according to any of the claims 1 to 22, wherein the hydrogen-containing hydrocarbon halide is a hydrogen-containing hydrocarbon chloride and by-produced hydrogen chloride is continuously withdrawn from the reaction system.
Claim 27
Dependent Claim
27 words
A process according to any of the claims 1 to 25, wherein the hydrocarbon fluoride produced is withdrawn from the reaction system in the form of vapor.
Claim 28
Dependent Claim
74 words
A process according to any of the claims 1 to 25, wherein the reaction solution obtained by reacting the hydrogen-containing hydrocarbon halide with anhydrous hydrogen fluoride in a liquid phase in the presence of said reaction product is separated into an organic phase predominantly composed of a hydrocarbon halide and a hydrogen fluoride phase predominantly composed of said reaction product and anhydrous hydrogen fluoride, and the hydrocarbon fluoride is obtained from the organic phase.
Claim 29
Dependent Claim
17 words
A process according to claim 27, wherein the hydrogen fluoride phase is recycled to the reaction system.
Claim 30
Dependent Claim
23 words
A process according to any of the claims 1 to 28, wherein the hydrogen-containing hydrocarbon halide is continuously reacted with anhydrous hydrogen fluoride.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.