CA3150773A1 - Processes for the preparation of alpha-hydroxy esters by esterification of alpha-hydroxy acids - Google Patents
Processes for the preparation of alpha-hydroxy esters by esterification of alpha-hydroxy acids Download PDFInfo
- Publication number
- CA3150773A1 CA3150773A1 CA3150773A CA3150773A CA3150773A1 CA 3150773 A1 CA3150773 A1 CA 3150773A1 CA 3150773 A CA3150773 A CA 3150773A CA 3150773 A CA3150773 A CA 3150773A CA 3150773 A1 CA3150773 A1 CA 3150773A1
- Authority
- CA
- Canada
- Prior art keywords
- formula
- compound
- reacting
- hmbi
- heptane
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
- C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/105—Aliphatic or alicyclic compounds
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/10—Feeding-stuffs specially adapted for particular animals for ruminants
- A23K50/15—Feeding-stuffs specially adapted for particular animals for ruminants containing substances which are metabolically converted to proteins, e.g. ammonium salts or urea
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/22—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/02—Nutrients, e.g. vitamins, minerals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
- C07C319/28—Separation; Purification
- C07C319/30—Separation; Purification from the by-products of refining mineral oils
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/52—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/02—Preparation of carboxylic acid esters by interreacting ester groups, i.e. transesterification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Birds (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Diabetes (AREA)
- Emergency Medicine (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Nutrition Science (AREA)
- Epidemiology (AREA)
- Gastroenterology & Hepatology (AREA)
- Endocrinology (AREA)
- Reproductive Health (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Fodder In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019104692 | 2019-09-06 | ||
| CNPCT/CN2019/104692 | 2019-09-06 | ||
| PCT/US2020/049222 WO2021046234A1 (en) | 2019-09-06 | 2020-09-03 | Processes for the preparation of alpha-hydroxy esters by esterification of alpha-hydroxy acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3150773A1 true CA3150773A1 (en) | 2021-03-11 |
Family
ID=74852116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3150773A Pending CA3150773A1 (en) | 2019-09-06 | 2020-09-03 | Processes for the preparation of alpha-hydroxy esters by esterification of alpha-hydroxy acids |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US20220332681A1 (enExample) |
| EP (1) | EP4025561A4 (enExample) |
| JP (2) | JP7765382B2 (enExample) |
| KR (1) | KR20220057525A (enExample) |
| CN (2) | CN114341107A (enExample) |
| AU (1) | AU2020343325A1 (enExample) |
| CA (1) | CA3150773A1 (enExample) |
| CL (3) | CL2022000516A1 (enExample) |
| CO (1) | CO2022003063A2 (enExample) |
| MX (1) | MX2022002512A (enExample) |
| WO (1) | WO2021046234A1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4061362A4 (en) * | 2019-11-22 | 2024-01-03 | Kemin Industries, Inc. | METHOD FOR PRODUCING ALPHA-HYDROXYESTERS BY GRIGNARD COUPLING AND THIOLATION REACTIONS |
| KR102829625B1 (ko) * | 2022-03-29 | 2025-07-04 | 한국바이오켐제약 주식회사 | 페노피브릭산의 정제방법 및 이에 의해 제조된 페노피브레이트 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874877A (en) * | 1988-04-19 | 1989-10-17 | Pfizer Inc. | Process for optically active 3-(methane-sulfonyloxy)thiolane and analogs |
| JPH06316557A (ja) * | 1993-03-06 | 1994-11-15 | Fuji Kagaku Kogyo Kk | アルキルチオ脂肪酸誘導体、製造法及びその肝臓疾患、腎臓疾患、膵臓疾患及び脳疾患用剤 |
| FR2785773B1 (fr) * | 1998-11-13 | 2001-04-20 | Rhone Poulenc Nutrition Animal | Utilisation d'esters de methionine en nutrition animale |
| FR2791673B1 (fr) * | 1999-04-02 | 2001-06-08 | Rhone Poulenc Animal Nutrition | Procede de preparation des esters de l'acide hydroxymethylthiobutyrique |
| WO2001058864A1 (en) * | 2000-02-07 | 2001-08-16 | Rhone-Poulenc Animal Nutrition | Process for the preparation of 2-hydroxy-4-methylthio butyric acid esters |
| WO2003070684A1 (en) | 2002-02-19 | 2003-08-28 | Amato Pharmaceutical Products, Ltd. | Process for producing chain oligolactic acid ester |
| EP1888525A1 (en) * | 2005-05-03 | 2008-02-20 | Ranbaxy Laboratories Limited | 3,6-disubstituted azabicyclo [3.1.0]hexane derivatives as muscarinic receptor antagonists |
| EP2044013B1 (en) * | 2006-07-21 | 2013-05-29 | Sumitomo Chemical Company, Limited | Process for producing 2-hydroxy-4-(methylthio)butyrate compounds and intermediates thereof |
| CN102093271A (zh) * | 2011-01-25 | 2011-06-15 | 张维军 | 2-羟基-4-甲硫基丁酸烷基酯的制备方法 |
| EP3224234B1 (en) * | 2014-11-28 | 2019-08-14 | Haldor Topsøe A/S | Process for preparing esters of lactic acid and 2-hydroxy-3-butenoic acid from sugars |
| AU2017280075A1 (en) * | 2016-06-24 | 2018-12-13 | Novus International Inc. | Hydroxy methionine analog formulations suitable for specialty chemical applications |
| CN111825584B (zh) | 2020-07-30 | 2022-04-12 | 北京福元医药股份有限公司沧州分公司 | 一种消旋羟蛋氨酸钙的制备方法 |
-
2020
- 2020-09-03 CN CN202080062194.1A patent/CN114341107A/zh active Pending
- 2020-09-03 MX MX2022002512A patent/MX2022002512A/es unknown
- 2020-09-03 WO PCT/US2020/049222 patent/WO2021046234A1/en not_active Ceased
- 2020-09-03 EP EP20861384.4A patent/EP4025561A4/en active Pending
- 2020-09-03 CA CA3150773A patent/CA3150773A1/en active Pending
- 2020-09-03 KR KR1020227004895A patent/KR20220057525A/ko not_active Ceased
- 2020-09-03 AU AU2020343325A patent/AU2020343325A1/en active Pending
- 2020-09-03 JP JP2022512325A patent/JP7765382B2/ja active Active
- 2020-09-03 US US17/640,431 patent/US20220332681A1/en active Pending
- 2020-09-03 CN CN202511311371.6A patent/CN121318803A/zh active Pending
-
2022
- 2022-03-02 CL CL2022000516A patent/CL2022000516A1/es unknown
- 2022-03-17 CO CONC2022/0003063A patent/CO2022003063A2/es unknown
-
2024
- 2024-07-29 CL CL2024002284A patent/CL2024002284A1/es unknown
- 2024-07-29 CL CL2024002285A patent/CL2024002285A1/es unknown
- 2024-12-20 JP JP2024225420A patent/JP2025041771A/ja active Pending
-
2025
- 2025-09-03 US US19/317,831 patent/US20260001837A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BR112022003547A2 (pt) | 2022-05-17 |
| MX2022002512A (es) | 2022-08-22 |
| JP2025041771A (ja) | 2025-03-26 |
| EP4025561A1 (en) | 2022-07-13 |
| WO2021046234A1 (en) | 2021-03-11 |
| AU2020343325A1 (en) | 2022-03-03 |
| CN114341107A (zh) | 2022-04-12 |
| CN121318803A (zh) | 2026-01-13 |
| CL2022000516A1 (es) | 2022-10-07 |
| KR20220057525A (ko) | 2022-05-09 |
| JP7765382B2 (ja) | 2025-11-06 |
| CL2024002285A1 (es) | 2024-12-27 |
| JP2022546018A (ja) | 2022-11-02 |
| US20260001837A1 (en) | 2026-01-01 |
| CO2022003063A2 (es) | 2022-04-19 |
| EP4025561A4 (en) | 2024-01-31 |
| US20220332681A1 (en) | 2022-10-20 |
| CL2024002284A1 (es) | 2024-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20260001837A1 (en) | Processes for the Preparation of Alpha-Hydroxy Esters by Esterification of Alpha-Hydroxy Acids | |
| US9365800B2 (en) | Method for producing composition containing highly unsaturated fatty acid alkyl ester | |
| AU5987396A (en) | Processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile | |
| US5705675A (en) | Processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile | |
| JP2022546018A5 (enExample) | ||
| BR122025013902A2 (pt) | Processos para a preparação de ésteres alfa-hidróxi por esterificação de ácidos alfa-hidróxi | |
| BR122025013903A2 (pt) | Processos para a preparação de ésteres alfa-hidróxi por esterificação de ácidos alfa-hidróxi | |
| BR112022003547B1 (pt) | Método de preparar ésteres alfa-hidróxi por esterificação de ácidos alfa-hidróxi | |
| US6784303B2 (en) | Method for continuously acylating chromanol ester derivatives | |
| AU2020386535B2 (en) | Processes for the preparation of alpha-hydroxy esters via Grignard coupling and thiolation reactions | |
| US6093857A (en) | Preparation of cyclopentanols | |
| WO2000063199A1 (fr) | Procede de preparation de 3-hydroxytetrahydrofurane | |
| CN1157358C (zh) | 一种合成2,2-二甲基-3-(1-丙烯基)环丙烷羧酸酯的方法 | |
| JP4696588B2 (ja) | カプシノイドの製造方法及び安定化法、並びにカプシノイド組成物 | |
| EP0152319A1 (fr) | Procédé d'obtention de composés organiques à groupe alkoxyalkylidène | |
| EP3720835B1 (en) | Method for preparing ethers of cycloaliphatic or araliphatic diols | |
| TW201427938A (zh) | 香葉基香葉基丙酮(gga)和其衍生物之製備方法及彼等與脲或硫脲之共結晶作用 | |
| WO2026013665A1 (en) | Purification of cis-2-alkenoic acids | |
| KR100673593B1 (ko) | L-카르니틴의 제조방법 | |
| US20030166971A1 (en) | Process for producing 4-bromothioanisole | |
| EP2935175B1 (en) | (6r,10r)-6,10,14-trimetylpentadecan-2-one prepared from (r)-6,10,14-trimetylpentadec-5-en-2-one | |
| JPH0127048B2 (enExample) | ||
| MX2008009085A (es) | Metodo para producir bisabolol que esta libre de farnesol o esta bajo en farnesol | |
| EP2110372A1 (en) | Intermediates for the preparation of Pregabalin and process for their preparation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20220602 |
|
| MFA | Maintenance fee for application paid |
Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 4TH ANNIV.) - STANDARD Year of fee payment: 4 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20240820 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT DETERMINED COMPLIANT Effective date: 20240820 Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20240820 |
|
| T11 | Administrative time limit extension requested |
Free format text: ST27 STATUS EVENT CODE: A-2-2-T10-T11-T100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXTENSION OF TIME FOR TAKING ACTION REQUEST RECEIVED Effective date: 20240926 |
|
| P11 | Amendment of application requested |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - RESPONSE TO EXAMINER'S REQUISITION Effective date: 20241129 |
|
| W00 | Other event occurred |
Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT Effective date: 20250203 |
|
| P11 | Amendment of application requested |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT Effective date: 20250604 |
|
| P13 | Application amended |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED Effective date: 20250604 |
|
| T13 | Administrative time limit extension granted |
Free format text: ST27 STATUS EVENT CODE: A-2-2-T10-T13-T101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXTENSION OF TIME FOR TAKING ACTION REQUIREMENTS DETERMINED COMPLIANT Effective date: 20250708 |
|
| W00 | Other event occurred |
Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT Effective date: 20250708 |
|
| MFA | Maintenance fee for application paid |
Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 5TH ANNIV.) - STANDARD Year of fee payment: 5 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250826 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-2-2-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20250826 |
|
| D15 | Examination report completed |
Free format text: ST27 STATUS EVENT CODE: A-2-2-D10-D15-D126 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: EXAMINER'S REPORT Effective date: 20250917 |
|
| P11 | Amendment of application requested |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT RECEIVED - RESPONSE TO EXAMINER'S REQUISITION Effective date: 20260116 |
|
| P11 | Amendment of application requested |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P11-P102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: AMENDMENT DETERMINED COMPLIANT Effective date: 20260129 |
|
| P13 | Application amended |
Free format text: ST27 STATUS EVENT CODE: A-2-2-P10-P13-X000 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: APPLICATION AMENDED Effective date: 20260129 |
|
| W00 | Other event occurred |
Free format text: ST27 STATUS EVENT CODE: A-2-2-W10-W00-W111 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: CORRESPONDENT DETERMINED COMPLIANT Effective date: 20260129 |