JPS6450855A - Purification of 4,4'-dihydroxydiphenylsulfone - Google Patents
Purification of 4,4'-dihydroxydiphenylsulfoneInfo
- Publication number
- JPS6450855A JPS6450855A JP20843487A JP20843487A JPS6450855A JP S6450855 A JPS6450855 A JP S6450855A JP 20843487 A JP20843487 A JP 20843487A JP 20843487 A JP20843487 A JP 20843487A JP S6450855 A JPS6450855 A JP S6450855A
- Authority
- JP
- Japan
- Prior art keywords
- salting
- dihydroxydiphenylsulfone
- added
- basic substance
- acid
- 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.)
- Granted
Links
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000746 purification Methods 0.000 title 1
- 238000005185 salting out Methods 0.000 abstract 6
- 239000000126 substance Substances 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 238000010306 acid treatment Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20843487A JPS6450855A (en) | 1987-08-21 | 1987-08-21 | Purification of 4,4'-dihydroxydiphenylsulfone |
| PCT/JP1988/000813 WO1989001469A1 (en) | 1987-08-21 | 1988-08-17 | Process for purifying 4,4'-dihydroxydiphenyl sulfone |
| DE19883890647 DE3890647T1 (de) | 1987-08-21 | 1988-08-17 | Verfahren zur reinigung von 4,4'-dihydroxydiphenylsulfon |
| GB8908173A GB2216125B (en) | 1987-08-21 | 1988-08-17 | Process for purifying 4,4'-dihydroxydiphenylsulfone |
| US07/362,411 US5097074A (en) | 1987-08-21 | 1988-08-17 | Process for purifying 4,4'-dihydroxydiphenylsulfone |
| DE3890647A DE3890647C2 (de) | 1987-08-21 | 1988-08-17 | Verfahren zur Reinigung von rohem 4,4'-Dihydroxydiphenylsulfon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20843487A JPS6450855A (en) | 1987-08-21 | 1987-08-21 | Purification of 4,4'-dihydroxydiphenylsulfone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6450855A true JPS6450855A (en) | 1989-02-27 |
| JPH0478609B2 JPH0478609B2 (enrdf_load_stackoverflow) | 1992-12-11 |
Family
ID=16556145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20843487A Granted JPS6450855A (en) | 1987-08-21 | 1987-08-21 | Purification of 4,4'-dihydroxydiphenylsulfone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6450855A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0461272B1 (en) * | 1989-12-29 | 1997-08-13 | Konishi Chemical Ind. Co., Ltd. | Process for producing 4,4'-dihydroxydiphenyl sulfone |
-
1987
- 1987-08-21 JP JP20843487A patent/JPS6450855A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0461272B1 (en) * | 1989-12-29 | 1997-08-13 | Konishi Chemical Ind. Co., Ltd. | Process for producing 4,4'-dihydroxydiphenyl sulfone |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0478609B2 (enrdf_load_stackoverflow) | 1992-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 15 Free format text: PAYMENT UNTIL: 20071211 |