JPH01190661A - 4,4′−ジヒドロキシジフエニルスルホンの精製法 - Google Patents
4,4′−ジヒドロキシジフエニルスルホンの精製法Info
- Publication number
- JPH01190661A JPH01190661A JP1331388A JP1331388A JPH01190661A JP H01190661 A JPH01190661 A JP H01190661A JP 1331388 A JP1331388 A JP 1331388A JP 1331388 A JP1331388 A JP 1331388A JP H01190661 A JPH01190661 A JP H01190661A
- Authority
- JP
- Japan
- Prior art keywords
- dihydroxydiphenylsulfone
- salt
- ammonia
- salting
- monoammonium salt
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1331388A JPH01190661A (ja) | 1988-01-22 | 1988-01-22 | 4,4′−ジヒドロキシジフエニルスルホンの精製法 |
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 |
---|---|---|---|
JP1331388A JPH01190661A (ja) | 1988-01-22 | 1988-01-22 | 4,4′−ジヒドロキシジフエニルスルホンの精製法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01190661A true JPH01190661A (ja) | 1989-07-31 |
JPH0512344B2 JPH0512344B2 (enrdf_load_stackoverflow) | 1993-02-17 |
Family
ID=11829682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1331388A Granted JPH01190661A (ja) | 1987-08-21 | 1988-01-22 | 4,4′−ジヒドロキシジフエニルスルホンの精製法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01190661A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002255925A (ja) * | 2001-03-05 | 2002-09-11 | Nippon Soda Co Ltd | ジフェニルスルホン化合物の製造方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0251582A (ja) * | 1988-08-12 | 1990-02-21 | Kyokado Eng Co Ltd | 地盤注入用薬液 |
CN1468098A (zh) * | 2000-10-05 | 2004-01-14 | �ݰ¸Ƕ�ҩ������˾ | 基本上无普伐他汀内酯和表普伐他汀的普伐他汀钠和包含普伐他汀钠的组合物 |
-
1988
- 1988-01-22 JP JP1331388A patent/JPH01190661A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002255925A (ja) * | 2001-03-05 | 2002-09-11 | Nippon Soda Co Ltd | ジフェニルスルホン化合物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0512344B2 (enrdf_load_stackoverflow) | 1993-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |