IN189269B - - Google Patents
Info
- Publication number
- IN189269B IN189269B IN894MA1999A IN189269B IN 189269 B IN189269 B IN 189269B IN 894MA1999 A IN894MA1999 A IN 894MA1999A IN 189269 B IN189269 B IN 189269B
- Authority
- IN
- India
- Prior art keywords
- acid
- phenol
- hydroxymandelic
- separated
- hydroxymandelic acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1010090A NL1010090C2 (nl) | 1998-09-15 | 1998-09-15 | Werkwijze voor de bereiding van 2- en 4-hydroxyamandelzuur. |
Publications (1)
Publication Number | Publication Date |
---|---|
IN189269B true IN189269B (de) | 2003-01-25 |
Family
ID=19767815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN894MA1999 IN189269B (de) | 1998-09-15 | 1999-09-09 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6359172B1 (de) |
EP (1) | EP0987245B1 (de) |
JP (1) | JP4416877B2 (de) |
AT (1) | ATE214359T1 (de) |
DE (1) | DE69901015T2 (de) |
ES (1) | ES2174570T3 (de) |
IL (1) | IL131770A (de) |
IN (1) | IN189269B (de) |
NL (1) | NL1010090C2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200514826A (en) * | 2003-09-19 | 2005-05-01 | Kyung In Synthetic Corp | Alpha-hydroxy-benzeneacetic acid derivatives, and compounds having two 5-membered lactone rings fused to central cyclohexa-1, 4-diene nucleus using the same, and uses of the compounds |
FR2901553B1 (fr) * | 2006-05-24 | 2011-08-26 | Clariant Specialty Fine Chem F | Complexes metalliques comprenant un ligand derive d'acide 2-aryl-2-hydroxyacetique et un cation metallique divalent ou trivalent, et leur utilisation |
FR2931476B1 (fr) * | 2008-05-22 | 2012-12-28 | Rhodia Operations | Procede de separation d'un compose phenolique sous forme solifiee |
FR2950886B1 (fr) | 2009-10-02 | 2011-10-28 | Rhodia Operations | Procede de separation de composes phenoliques sous forme salifiee |
FR3013351B1 (fr) * | 2013-11-15 | 2016-01-01 | Rhodia Operations | Procede de preparation de compose aromatique mandelique et de compose aldehyde aromatique |
CN108911970A (zh) * | 2018-05-25 | 2018-11-30 | 江苏道博化工有限公司 | 一种扁桃酸的制备方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB868926A (en) * | 1956-06-28 | 1961-05-25 | Benckiser Gmbh Joh A | A method for the purification and concentration of carboxylic acids |
SE441524B (sv) * | 1978-05-19 | 1985-10-14 | Ici Ltd | Fast natrium- eller kalium-p-hydroximandelat-monohydrat och sett for dess framstellning |
DE3063330D1 (en) * | 1979-08-09 | 1983-07-07 | Beecham Group Plc | Process for the isolation of a solid salt of p-hydroxymandelic acid; some salts of p-hydroxymandelic acid |
FR2638740B1 (fr) * | 1988-11-08 | 1991-07-12 | Hoechst France | Nouveau procede de fabrication industrielle du parahydroxymandelate de sodium |
EP0377430A1 (de) * | 1989-01-05 | 1990-07-11 | Jungbunzlauer Aktiengesellschaft | Verfahren zur Abtrennung von Säuren aus salz- und kohlenhydrathaltigen Substraten |
GB9121656D0 (en) * | 1991-10-11 | 1991-11-27 | Ici Plc | Chemical process |
FR2687143B1 (fr) * | 1992-02-12 | 1995-06-23 | Hoechst France | Procede d'obtention de l'acide orthohydroxymandelique et de ses sels. |
KR950005766B1 (ko) * | 1992-03-05 | 1995-05-30 | 한국화약주식회사 | 4-히드록시 만델산의 제조방법 |
NL9202248A (nl) * | 1992-12-23 | 1994-07-18 | Univ Delft Tech | Werkwijze voor het scheiden van de ortho- en para-isomeer van hydroxyamandelzuur of een zout daarvan, de volgens deze werkwijze verkregen ortho- en para-isomeer van hydroxyamandelzuur, alsmede de toepassing van de ortho-isomeer in de bereiding van EDDHA. |
KR950005766A (ko) * | 1993-08-21 | 1995-03-20 | 한무용 | 경량세라믹 판넬 및 그 제조방법 |
-
1998
- 1998-09-15 NL NL1010090A patent/NL1010090C2/nl active Search and Examination
-
1999
- 1999-09-06 IL IL131770A patent/IL131770A/en not_active IP Right Cessation
- 1999-09-09 AT AT99202931T patent/ATE214359T1/de active
- 1999-09-09 IN IN894MA1999 patent/IN189269B/en unknown
- 1999-09-09 DE DE69901015T patent/DE69901015T2/de not_active Expired - Lifetime
- 1999-09-09 ES ES99202931T patent/ES2174570T3/es not_active Expired - Lifetime
- 1999-09-09 EP EP99202931A patent/EP0987245B1/de not_active Expired - Lifetime
- 1999-09-15 US US09/396,397 patent/US6359172B1/en not_active Expired - Fee Related
- 1999-09-16 JP JP26216299A patent/JP4416877B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2174570T3 (es) | 2002-11-01 |
DE69901015D1 (de) | 2002-04-18 |
IL131770A0 (en) | 2001-03-19 |
EP0987245B1 (de) | 2002-03-13 |
JP4416877B2 (ja) | 2010-02-17 |
IL131770A (en) | 2006-12-10 |
DE69901015T2 (de) | 2002-11-07 |
ATE214359T1 (de) | 2002-03-15 |
EP0987245A1 (de) | 2000-03-22 |
NL1010090C2 (nl) | 2000-03-17 |
JP2000109447A (ja) | 2000-04-18 |
US6359172B1 (en) | 2002-03-19 |
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