IP Library › Granted Patent US 10,519,083
Granted Patent B2
US 10,519,083 · App. 16/070,090 · Granted Dec 31, 2019

Method for producing trans-1-chloro-3,3,3-trifluoropropene

Inventors: Satoru Okamoto (Kawagoe, JP); Koji Ueda (Kawagoe, JP); Takamasa Kitamoto (Kawagoe, JP)
Assignee: Central Glass Company, Limited
C07C17/206B01J27/08C07C17/25C07C21/18B01J2523/31B01J2523/47B01J2523/67B01J2523/68B01J2523/84C07B61/00C07C17/38
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Quick Facts
Patent No.
US 10,519,083
App. No.
16/070,090
Granted
Dec 31, 2019
Kind
B2
Abstract

The present invention provides a method for efficiently producing 1-chloro-3,3,3-trifluoropropene from a low-reactivity intermediate product. More specifically, provided is a method for producing trans-1-chloro-3,3,3-trifluoropropene, characterized by reacting a halogenated C 3 hydrocarbon compound represented by the following general formula (1) with hydrogen fluoride in a gas phase in the presence of a solid catalyst and chlorine C 3 H X Cl Y F Z   (1) wherein X is 2 or 3; when X=2, Y is an integer of 1 to 4, Z is an integer of 0 to 3, and Y+Z=4; and, when X=3, Y is an integer of 1 to 5, Z is an integer of 0 to 4, and Y+Z=5; provided that the general formula (1) represents any halogenated C 3 hydrocarbon compound other than trans-1-chloro-3,3,3-trifluoropropene.

Claims (52)

1. A production method of trans-1-chloro-3,3,3-trifluoropropene, comprising reacting a raw reactant material containing a plurality of halogenated C 3 hydrocarbon compounds represented by the following general formula (1) with hydrogen fluoride in a gas phase in the presence of a solid catalyst and chlorine

C 3 H X Cl Y F Z   (1)

wherein X is 2 or 3; when X=2, Y is an integer of 1 to 4, Z is an integer of 0 to 3, and Y+Z=4; and, when X=3, Y is an integer of 1 to 5, Z is an integer of 0 to 4, and Y+Z=5; provided that the general formula (1) represents any halogenated C 3 hydrocarbon compound other than trans-1-chloro-3,3,3-trifluoropropene,

wherein, in the reacting, the raw reactant material further comprises a C 3 hydrocarbon compound represented by the following general formula (2)

C 3 H V F W   (2)

wherein, when V+W=8, V is an integer of 0 to 8; when V+W=6, V is an integer of 0 to 6; and, when V+W=4, V is an integer of 0 to 4.

2. The production method according to claim 1 , wherein the solid catalyst is a metal fluoride containing at least one kind of metal selected from the group consisting of aluminum, chromium, titanium, manganese, iron, nickel, cobalt, copper, magnesium, zirconium, molybdenum, zinc, tin, lanthanum, niobium, tantalum and antimony.

3. The production method according to claim 1 , wherein the plurality of halogenated C 3 hydrocarbon compounds are selected from the group consisting of 1,1,1,3,3-pentachloropropane, 1,1,3,3-tetrachloropropene, 1,3,3,3-tetrachloropropane, 1,1,3,3-tetrachloro-1-fluoropropane, 1,1,1,3-tetrachloro-3-fluoropropane, 1,3,3-trichloro-3-fluoropropene, 1,3,3-trichloro-1-fluoropropene, 3,3,3-trichloro-1-fluoropropene, 1,1,3-trichloro-3-fluoropropene, 1,3,3-trichloro-1,1-difluoropropane, 1,1,3-trichloro-1,3-difluoropropane, 1,1,1-trichloro-3,3-difluoropropane, 1,3-dichloro-3,3-difluoropropene, 3,3-dichloro-1,3-difluoropropene, 3,3-dichloro-1,1-difluoropropene, 1,3-dichloro-1,3-difluoropropene, 1,1-dichloro-3,3-difluoropropane, cis-1-chloro-3,3,3-trifluoropropene, 3-chloro-1,1,3-trifluoropropene, 3-chloro-1,3,3-trifluoropropene, 1-chloro-1,3,3-trifluoropropene, 3,3-dichloro-1,1,1-trifluoropropane, 1,3-dichloro-1,1,3-trifluoropropane, 1,1-dichloro-1,3,3-trifluoropropane, 1-chloro-1,1,3,3-tetrafluoropropane and 3-chloro-1,1,1,3-tetrafluoropropane.

4. The production method according to claim 1 , wherein the reacting is performed at a temperature of 100° C. to 400° C.

5. A production method of trans-1-chloro-3,3,3-trifluoropropene, comprising reacting a raw reactant material containing a plurality of halogenated hydrocarbon compounds selected from the group consisting of 1,1,3,3-tetrachloro-1-fluoropropane, 1,1,1,3,3-pentachloropropane and 1,3,3-trichloro-1,1-difluoropropane with hydrogen fluoride at a temperature of 100° C. to 400° C. in a gas phase in the presence of a solid catalyst and chlorine,

wherein, in the reacting, the raw reactant material further comprises a C 3 hydrocarbon compound represented by the following general formula (2)

C 3 H V F W   (2)

wherein, when V+W=8, V is an integer of 0 to 8; when V+W=6, V is an integer of 0 to 6; and, when V+W=4, V is an integer of 0 to 4.

6. A production method of trans-1-chloro-3,3,3-trifluoropropene, comprising the following steps:

(A) reacting 1,1,1,3,3-pentachloropropane with hydrogen fluoride, thereby obtaining an intermediate product;

(B) forming trans-1-chloro-3,3,3-trifluoropropene by using the intermediate product obtained in the step (A) as a raw reactant material comprising a plurality of halogenated C 3 hydrocarbon compounds including cis-1-chloro-3,3,3-trifluoropropene and reacting the raw reactant material with hydrogen fluoride at a temperature of 100° C. to 400° C. in a gas phase in the presence of a solid catalyst and chlorine.

7. The production method according to claim 6 ,

wherein, in the step (B), the raw reactant material further comprises a C 3 hydrocarbon compound represented by the following general formula (2)

C 3 H V F W   (2)

wherein, when V+W=8, V is an integer of 0 to 8; when V+W=6, V is an integer of 0 to 6; and, when V+W=4, V is an integer of 0 to 4.

8. The production method according to claim 7 ,

wherein, in the step (A), the reacting is performed in a liquid phase in the absence of a catalyst, and

wherein the production method further comprises:

recovering, from the step (A), a reaction product gas containing trans-1-chloro-3,3,3-trifluoropropene and a reaction solution; and

using, in the step (B), the intermediate product contained in the reaction solution as the raw reactant material.

9. The production method according to claim 8 ,

wherein the 1,1,1,3,3-pentachloropropane and the hydrogen fluoride are continuously or intermittently introduced into the step (A), and

wherein the reaction product gas and the reaction solution are continuously or intermittently recovered.

10. The production method according to claim 7 , wherein the intermediate product is at least one selected from the group consisting of 1,1,3,3-tetrachloropropene, 1,3,3,3-tetrachloropropane, 1,1,3,3-tetrachloro-1-fluoropropane, 1,1,1,3-tetrachloro-3-fluoropropane, 1,3,3-trichloro-3-fluoropropene, 1,3,3-trichloro-1-fluoropropene, 3,3,3-trichloro-1-fluoropropene, 1,1,3-trichloro-3-fluoropropene, 1,3,3-trichloro-1,1-difluoropropane, 1,1,3-trichloro-1,3-difluoropropane, 1,1,1-trichloro-3,3-difluoropropane, 1,3-dichloro-3,3-difluoropropene, 3,3-dichloro-1,3-difluoropropene, 3,3-dichloro-1,1-difluoropropene, 1,3-dichloro-1,3-difluoropropene, 1,1-dichloro-3,3-difluoropropane, cis-1-chloro-3,3,3-trifluoropropene, 3-chloro-1,1,3-trifluropropene, 3-chloro-1,3,3-trifluoropropene, 1-chloro-1,3,3-trifluoropropene, 3,3-dichloro-1,1,1-trifluoropropane, 1,3-dichloro-1,1,3-trifluoropropane, 1,1-dichloro-1,3,3-trifluoropropane, 1-chloro-1,1,3,3-tetrafluoropropane and 3-chloro-1,1,1,3-tetrafluoropropane.

11. The production method according to claim 7 , wherein the intermediate product comprises at least 1,3,3-trichloro-1,1-difluoropropane.

12. The production method according to claim 7 , wherein, in the step (B), the reacting is performed at a temperature of 150° C. to 300° C.

13. The production method according to claim 7 , further comprising recovering and using unreacted intermediate product in the step (B).

14. The production method according to claim 7 , wherein the cis-1-chloro-3,3,3-trifluoropropene is formed along with the trans-1-chloro-3,3,3-trifluoropropene in the step (B).

15. The production method according to claim 6 ,

wherein, in the step (A), the reacting is performed in a liquid phase in the absence of a catalyst, and

wherein the production method further comprises:

recovering, from the step (A), a reaction product gas containing trans-1-chloro-3,3,3-trifluoropropene and a reaction solution; and

using, in the step (B), the intermediate product contained in the reaction solution as the raw reactant material.

16. The production method according to claim 15 ,

wherein the 1,1,1,3,3-pentachloropropane and the hydrogen fluoride are continuously or intermittently introduced into the step (A), and

wherein the reaction product gas and the reaction solution are continuously or intermittently recovered.

17. The production method according to claim 6 ,

wherein the intermediate product is at least one selected from the group consisting of 1,1,3,3-tetrachloropropene, 1,3,3,3-tetrachloropropane, 1,1,3,3-tetrachloro-1-fluoropropane, 1,1,1,3-tetrachloro-3-fluoropropane, 1,3,3-trichloro-3-fluoropropene, 1,3,3-trichloro-1-fluoropropene, 3,3,3-trichloro-1-fluoropropene, 1,1,3-trichloro-3-fluoropropene, 1,3,3-trichloro-1,1-difluoropropane, 1,1,3-trichloro-1,3-difluoropropane, 1,1,1-trichloro-3,3-difluoropropane, 1,3-dichloro-3,3-difluoropropene, 3,3-dichloro-1,3-difluoropropene, 3,3-dichloro-1,1-difluoropropene, 1,3-dichloro-1,3-difluoropropene, 1,1-dichloro-3,3-difluoropropane, cis-1-chloro-3,3,3-trifluoropropene, 3-chloro-1,1,3-trifluropropene, 3-chloro-1,3,3-trifluoropropene, 1-chloro-1,3,3-trifluoropropene, 3,3-dichloro-1,1,1-trifluoropropane, 1,3-dichloro-1,1,3-trifluoropropane, 1,1-dichloro-1,3,3-trifluoropropane, 1-chloro-1,1,3,3-tetrafluoropropane and 3-chloro-1,1,1,3-tetrafluoropropane.

18. The production method according to claim 6 ,

wherein the intermediate product contains at least 1,3,3-trichloro-1,1-difluoropropane.

19. The production method according to claim 6 ,

wherein, in the step (B), the reacting is performed at a temperature of 150° C. to 300° C.

20. The production method according to claim 6 , further comprising recovering and using unreacted intermediate product in the step (B).

21. The production method according to claim 6 , wherein the cis-1-chloro-3,3,3-trifluoropropene is formed along with the trans-1-chloro-3,3,3-trifluoropropene in the step (B).

22. The production method according to claim 21 ,

wherein the cis-1-chloro-3,3,3-trifluoropropene is used as the raw reactant material in the step (B).

23. The production method according to claim 21 , further comprising converting the cis-1-chloro-3,3,3-trifluoropropene to trans-1-chloro-3,3,3-trifluoropropene by heating at a temperature of 100° C. to 400° C.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2018
From: OKAMOTO, SATORU; UEDA, KOJI; KITAMOTO, TAKAMASA
To: CENTRAL GLASS COMPANY, LIMITED
Reel/Frame 046346/0466 →
Priority Claims (1)
JP 2016-006652 · Jan 15, 2016 · national
Continuity (1)
Related Publication 20190031583A1 · Jan 31, 2019
Cited By (3)
US 12,292,213 US 12,416,431 US 12,421,436