ZA200007016B - Method for preparing p-hydroxymandelic compounds optionally substituted. - Google Patents
Method for preparing p-hydroxymandelic compounds optionally substituted.Info
- Publication number
- ZA200007016B ZA200007016B ZA200007016A ZA200007016A ZA200007016B ZA 200007016 B ZA200007016 B ZA 200007016B ZA 200007016 A ZA200007016 A ZA 200007016A ZA 200007016 A ZA200007016 A ZA 200007016A ZA 200007016 B ZA200007016 B ZA 200007016B
- Authority
- ZA
- South Africa
- Prior art keywords
- preparing
- optionally substituted
- hydroxymandelic
- compounds optionally
- derivatives
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (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 |
---|---|---|---|
FR9807586A FR2779718B1 (fr) | 1998-06-16 | 1998-06-16 | Procede de preparation de composes p-hydroxymandeliques eventuellement substitues et derives |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200007016B true ZA200007016B (en) | 2001-06-14 |
Family
ID=9527456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200007016A ZA200007016B (en) | 1998-06-16 | 2000-11-29 | Method for preparing p-hydroxymandelic compounds optionally substituted. |
Country Status (17)
Country | Link |
---|---|
US (1) | US6753441B1 (de) |
EP (1) | EP1087924B1 (de) |
JP (1) | JP2002518358A (de) |
KR (1) | KR20010072614A (de) |
CN (1) | CN1217907C (de) |
AT (1) | ATE260234T1 (de) |
AU (1) | AU4150899A (de) |
BR (1) | BR9911247A (de) |
CA (1) | CA2334848A1 (de) |
DE (1) | DE69915061T2 (de) |
ES (1) | ES2217757T3 (de) |
FR (1) | FR2779718B1 (de) |
HK (1) | HK1040390B (de) |
NO (1) | NO20006443L (de) |
RU (1) | RU2232746C2 (de) |
WO (1) | WO1999065853A1 (de) |
ZA (1) | ZA200007016B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2917085B1 (fr) * | 2007-06-06 | 2009-07-17 | Rhodia Recherches & Tech | Procede de preparation d'un aldehyde hydroxyaromatique. |
CN101417942B (zh) * | 2007-10-26 | 2011-09-21 | 宝山钢铁股份有限公司 | 一种制备对羟基扁桃酸的方法 |
FR2925047B1 (fr) * | 2007-12-18 | 2010-01-01 | Rhodia Operations | Procede de preparation de composes p-hydroxymandeliques eventuellement substitues et derives. |
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 |
CN101811947B (zh) * | 2010-03-12 | 2014-02-26 | 重庆欣欣向荣精细化工有限公司 | 乙基香兰素生产工艺中减少邻位乙基香兰素生成的方法 |
FR2993882B1 (fr) | 2012-07-26 | 2014-08-15 | Rhodia Operations | Procede de preparation d'alkoxyhydroxybenzaldehyde sensiblement exempte d'alkyl-alkoxyhydroxybenzaldehyde |
US9650322B2 (en) | 2012-07-26 | 2017-05-16 | Rhodia Operations | Method for producing alkoxyhydroxybenzaldehyde |
FR2993881B1 (fr) | 2012-07-26 | 2014-08-15 | Rhodia Operations | Procede de preparation d'alkoxyphenol et d'alkoxyhydroxybenzaldehyde |
FR3014869B1 (fr) | 2013-12-18 | 2016-01-01 | Rhodia Operations | Procede de separation de composes mandeliques sous forme salifiee et son utilisation pour la preparation d'aldehyde aromatique |
FR3021314B1 (fr) * | 2014-05-26 | 2016-05-13 | Rhodia Operations | Procede de preparation de composes p-hydroxymandeliques en reacteurs agites |
US11484052B2 (en) | 2017-07-28 | 2022-11-01 | Rhodia Operations | Vanillin and/or ethylvanillin, process for their preparations and use thereof |
US20190031588A1 (en) | 2017-07-28 | 2019-01-31 | Rhodia Operations | New vanillin and or ethylvanillin, process for their preparations and use thereof |
CN109956858B (zh) * | 2017-12-26 | 2022-02-15 | 万华化学集团股份有限公司 | 一种制备3-甲氧基-4-羟基扁桃酸的方法 |
FR3116819B1 (fr) | 2020-12-01 | 2023-11-17 | Rhodia Operations | Procédé de préparation de frambinone |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4165341A (en) * | 1977-02-04 | 1979-08-21 | Ube Industries, Ltd. | Process for preparing protocatechualdehyde and its derivatives |
FR2462415A1 (fr) * | 1979-07-25 | 1981-02-13 | Hoechst France | Procede de preparation d'acides hydroxyarylglycoliques racemiques et produits nouveaux en resultant |
JPS5699440A (en) * | 1980-01-11 | 1981-08-10 | Ube Ind Ltd | Preparation of 3-alkoxy-4-hydroxyphenylacetic acid |
US4337355A (en) * | 1980-06-20 | 1982-06-29 | Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha | Process for preparing 4-hydroxyphenylacetic acid |
GB9121656D0 (en) * | 1991-10-11 | 1991-11-27 | Ici Plc | Chemical process |
FR2693458B1 (fr) * | 1992-07-10 | 1994-12-09 | Rhone Poulenc Chimie | Procédé de para-hydroxyalkylation de composés aromatiques hydroxylés. |
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. |
-
1998
- 1998-06-16 FR FR9807586A patent/FR2779718B1/fr not_active Expired - Fee Related
-
1999
- 1999-06-16 DE DE69915061T patent/DE69915061T2/de not_active Expired - Fee Related
- 1999-06-16 AU AU41508/99A patent/AU4150899A/en not_active Abandoned
- 1999-06-16 BR BR9911247-7A patent/BR9911247A/pt not_active Application Discontinuation
- 1999-06-16 EP EP99925110A patent/EP1087924B1/de not_active Expired - Lifetime
- 1999-06-16 AT AT99925110T patent/ATE260234T1/de not_active IP Right Cessation
- 1999-06-16 JP JP2000554680A patent/JP2002518358A/ja not_active Withdrawn
- 1999-06-16 KR KR1020007014223A patent/KR20010072614A/ko not_active Application Discontinuation
- 1999-06-16 US US09/719,839 patent/US6753441B1/en not_active Expired - Fee Related
- 1999-06-16 RU RU2001101531/04A patent/RU2232746C2/ru not_active IP Right Cessation
- 1999-06-16 CN CN998087335A patent/CN1217907C/zh not_active Expired - Fee Related
- 1999-06-16 ES ES99925110T patent/ES2217757T3/es not_active Expired - Lifetime
- 1999-06-16 CA CA002334848A patent/CA2334848A1/fr not_active Abandoned
- 1999-06-16 WO PCT/FR1999/001442 patent/WO1999065853A1/fr not_active Application Discontinuation
-
2000
- 2000-11-29 ZA ZA200007016A patent/ZA200007016B/xx unknown
- 2000-12-15 NO NO20006443A patent/NO20006443L/no not_active Application Discontinuation
-
2002
- 2002-03-07 HK HK02101745.4A patent/HK1040390B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1320111A (zh) | 2001-10-31 |
NO20006443D0 (no) | 2000-12-15 |
FR2779718B1 (fr) | 2000-12-29 |
HK1040390B (zh) | 2006-04-28 |
FR2779718A1 (fr) | 1999-12-17 |
EP1087924B1 (de) | 2004-02-25 |
WO1999065853A1 (fr) | 1999-12-23 |
EP1087924A1 (de) | 2001-04-04 |
NO20006443L (no) | 2001-02-16 |
ATE260234T1 (de) | 2004-03-15 |
KR20010072614A (ko) | 2001-07-31 |
CN1217907C (zh) | 2005-09-07 |
RU2232746C2 (ru) | 2004-07-20 |
ES2217757T3 (es) | 2004-11-01 |
HK1040390A1 (en) | 2002-06-07 |
US6753441B1 (en) | 2004-06-22 |
DE69915061T2 (de) | 2005-02-03 |
BR9911247A (pt) | 2001-10-09 |
CA2334848A1 (fr) | 1999-12-23 |
AU4150899A (en) | 2000-01-05 |
JP2002518358A (ja) | 2002-06-25 |
DE69915061D1 (de) | 2004-04-01 |
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