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
Application number
JP1331388A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0512344B2 (enrdf_load_stackoverflow
Inventor
Eiji Ogata
栄治 尾形
Koji Ono
幸治 小野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konishi Chemical Ind Co Ltd
Original Assignee
Konishi Chemical Ind Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Konishi Chemical Ind Co Ltd filed Critical Konishi Chemical Ind Co Ltd
Priority to JP1331388A priority Critical patent/JPH01190661A/ja
Priority to DE3890647A priority patent/DE3890647C2/de
Priority to PCT/JP1988/000813 priority patent/WO1989001469A1/ja
Priority to US07/362,411 priority patent/US5097074A/en
Priority to GB8908173A priority patent/GB2216125B/en
Priority to DE19883890647 priority patent/DE3890647T1/de
Publication of JPH01190661A publication Critical patent/JPH01190661A/ja
Publication of JPH0512344B2 publication Critical patent/JPH0512344B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP1331388A 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 Granted JPH01190661A (ja)

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
DE3890647A DE3890647C2 (de) 1987-08-21 1988-08-17 Verfahren zur Reinigung von rohem 4,4'-Dihydroxydiphenylsulfon
PCT/JP1988/000813 WO1989001469A1 (en) 1987-08-21 1988-08-17 Process for purifying 4,4'-dihydroxydiphenyl sulfone
US07/362,411 US5097074A (en) 1987-08-21 1988-08-17 Process for purifying 4,4'-dihydroxydiphenylsulfone
GB8908173A GB2216125B (en) 1987-08-21 1988-08-17 Process for purifying 4,4'-dihydroxydiphenylsulfone
DE19883890647 DE3890647T1 (de) 1987-08-21 1988-08-17 Verfahren zur reinigung von 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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
PL361230A1 (en) * 2000-10-05 2004-10-04 Biogal Gyogyszergyar Rt. Pravastatin sodium substantially free of pravastatin lactone and epi-pravastatin, and compositions containing same

Cited By (1)

* Cited by examiner, † Cited by third party
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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