JPS55139375A - Production of hydroxyflavan - Google Patents

Production of hydroxyflavan

Info

Publication number
JPS55139375A
JPS55139375A JP4835579A JP4835579A JPS55139375A JP S55139375 A JPS55139375 A JP S55139375A JP 4835579 A JP4835579 A JP 4835579A JP 4835579 A JP4835579 A JP 4835579A JP S55139375 A JPS55139375 A JP S55139375A
Authority
JP
Japan
Prior art keywords
resorcin
reaction
aliphatic ketone
catalyst
inorganic 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
Application number
JP4835579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6157308B2 (cs
Inventor
Kazuo Matsunaga
Tsutomu Chiyoda
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP4835579A priority Critical patent/JPS55139375A/ja
Publication of JPS55139375A publication Critical patent/JPS55139375A/ja
Publication of JPS6157308B2 publication Critical patent/JPS6157308B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Pyrane Compounds (AREA)
JP4835579A 1979-04-18 1979-04-18 Production of hydroxyflavan Granted JPS55139375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4835579A JPS55139375A (en) 1979-04-18 1979-04-18 Production of hydroxyflavan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4835579A JPS55139375A (en) 1979-04-18 1979-04-18 Production of hydroxyflavan

Publications (2)

Publication Number Publication Date
JPS55139375A true JPS55139375A (en) 1980-10-31
JPS6157308B2 JPS6157308B2 (cs) 1986-12-06

Family

ID=12801045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4835579A Granted JPS55139375A (en) 1979-04-18 1979-04-18 Production of hydroxyflavan

Country Status (1)

Country Link
JP (1) JPS55139375A (cs)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6127980A (ja) * 1984-07-18 1986-02-07 Mitsui Petrochem Ind Ltd オキシフラバン化合物の製造法
JPH0284650A (ja) * 1988-06-13 1990-03-26 Sumitomo Chem Co Ltd ポジ型レジスト組成物
EP0688770A2 (en) 1994-06-23 1995-12-27 Sumitomo Chemical Company, Limited Process for preparing hydroxyflavan compounds
US5556995A (en) * 1992-08-07 1996-09-17 Sumitomo Chemical Co., Ltd. Process for the preparation of polyhydric phenol compounds
JP2006312731A (ja) * 2005-04-05 2006-11-16 Hodogaya Chem Co Ltd ケトン変性レゾルシンホルマリン樹脂の製造方法
JP2006312733A (ja) * 2005-04-05 2006-11-16 Hodogaya Chem Co Ltd レゾルシン−メチルエチルケトン−ホルマリン樹脂

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62187416U (cs) * 1986-05-16 1987-11-28
JPS632256U (cs) * 1986-06-23 1988-01-08
JPH02132354U (cs) * 1989-03-31 1990-11-02

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6127980A (ja) * 1984-07-18 1986-02-07 Mitsui Petrochem Ind Ltd オキシフラバン化合物の製造法
JPH0284650A (ja) * 1988-06-13 1990-03-26 Sumitomo Chem Co Ltd ポジ型レジスト組成物
EP0346808B1 (en) * 1988-06-13 1996-09-11 Sumitomo Chemical Company, Limited Resist composition
US5556995A (en) * 1992-08-07 1996-09-17 Sumitomo Chemical Co., Ltd. Process for the preparation of polyhydric phenol compounds
EP0688770A2 (en) 1994-06-23 1995-12-27 Sumitomo Chemical Company, Limited Process for preparing hydroxyflavan compounds
US5698717A (en) * 1994-06-23 1997-12-16 Sumitomo Chemical Company, Limited Process for preparing hydroxyflavan compounds
JP2006312731A (ja) * 2005-04-05 2006-11-16 Hodogaya Chem Co Ltd ケトン変性レゾルシンホルマリン樹脂の製造方法
JP2006312733A (ja) * 2005-04-05 2006-11-16 Hodogaya Chem Co Ltd レゾルシン−メチルエチルケトン−ホルマリン樹脂

Also Published As

Publication number Publication date
JPS6157308B2 (cs) 1986-12-06

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