DE2860412D1 - Process for the chemical resolution of racemic mandelic acid, and the salt of d(-)-2- aminobutanol-(1) with d(-)-mandelic acid - Google Patents

Process for the chemical resolution of racemic mandelic acid, and the salt of d(-)-2- aminobutanol-(1) with d(-)-mandelic acid

Info

Publication number: DE2860412D1
Authority: DE; Germany
Prior art keywords: mandelic acid; aminobutanol; salt; racemic; chemical resolution
Prior art date: 1977-07-23
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.): Expired

Application number

DE7878100393T

Other languages

German (de)

Inventor

Wolfgang Dr Dannenberg

Horst Dr Schmand

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.)

Honeywell Riedel de Haen AG

Original Assignee

Riedel de Haen AG

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.)

1977-07-23

Filing date

1978-07-14

Publication date

1981-02-26

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6014738&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE2860412(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1978-07-14 Application filed by Riedel de Haen AG filed Critical Riedel de Haen AG

1978-07-14 Priority to DE7878100393T priority Critical patent/DE2860412D1/en

1981-02-26 Application granted granted Critical

1981-02-26 Publication of DE2860412D1 publication Critical patent/DE2860412D1/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/42—Unsaturated compounds containing hydroxy or O-metal groups
- C07C59/48—Unsaturated compounds containing hydroxy or O-metal groups containing six-membered aromatic rings
- C07C59/50—Mandelic acid

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DE7878100393T 1977-07-23 1978-07-14 Process for the chemical resolution of racemic mandelic acid, and the salt of d(-)-2- aminobutanol-(1) with d(-)-mandelic acid Expired DE2860412D1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
DE7878100393T DE2860412D1 (en)	1977-07-23	1978-07-14	Process for the chemical resolution of racemic mandelic acid, and the salt of d(-)-2- aminobutanol-(1) with d(-)-mandelic acid

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE2733425A DE2733425C2 (en)	1977-07-23	1977-07-23	Process for the production of D (-) - mandelic acid from DL-mandelic acid by racemic resolution
DE7878100393T DE2860412D1 (en)	1977-07-23	1978-07-14	Process for the chemical resolution of racemic mandelic acid, and the salt of d(-)-2- aminobutanol-(1) with d(-)-mandelic acid

Publications (1)

Publication Number	Publication Date
DE2860412D1 true DE2860412D1 (en)	1981-02-26

Family

ID=6014738

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE2733425A Expired DE2733425C2 (en)	1977-07-23	1977-07-23	Process for the production of D (-) - mandelic acid from DL-mandelic acid by racemic resolution
DE7878100393T Expired DE2860412D1 (en)	1977-07-23	1978-07-14	Process for the chemical resolution of racemic mandelic acid, and the salt of d(-)-2- aminobutanol-(1) with d(-)-mandelic acid

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
DE2733425A Expired DE2733425C2 (en)	1977-07-23	1977-07-23	Process for the production of D (-) - mandelic acid from DL-mandelic acid by racemic resolution

Country Status (3)

Country	Link
EP (1)	EP0000518B1 (en)
JP (2)	JPS5424849A (en)
DE (2)	DE2733425C2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55115846A (en) *	1979-03-02	1980-09-06	Noyori Gentaro	Optical resolution of dl-mandelic acid
DE2933895A1 (en) *	1979-08-22	1981-03-12	Basf Ag, 6700 Ludwigshafen	METHOD FOR CLEAVING RACEMIC APPLE ACID.
US4322548A (en)	1980-02-13	1982-03-30	Kay Fries, Inc.	Resolution of racemic mandelic acid
JPS5817733B2 (en) *	1980-03-03	1983-04-09	野依源太郎	Resolution method of DL-mandelic acid
JPS56123936A (en) *	1980-03-05	1981-09-29	Hiroyuki Nohira	Optical resolution of (+-)-2-amino-1-butanol and/or (+-)- mandelic acid
JPS6141245A (en) *	1984-07-31	1986-02-27	Koonan Eng Kk	Radio data transmission system
DE3517108A1 (en) *	1985-05-11	1986-11-13	Basf Ag, 6700 Ludwigshafen	METHOD FOR THE RACEMATE CLEAVAGE OF D, L-2-AMINOBUTAN-1-01
US6743944B1 (en)	1999-09-07	2004-06-01	Mitsubishi Rayon Co., Ltd.	Process for producing optically active aminoalcohol
DE102004035034A1 (en) *	2004-07-20	2006-02-16	Degussa Ag	Resolution of p-hydroxyphenyl-2-alkoxy-propionic acids
JP2015003861A (en) *	2011-10-18	2015-01-08	株式会社カネカ	Production method of (r)-2-amino-2-ethylhexanol

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE687555C (en) *	1937-07-21	1940-02-06	Chem Fab Vormals Sandoz	Process for the production of amino alcohols
FR1439850A (en) *	1963-08-10	1966-05-27	Zoja Lab Chim Farm	Method for the resolution of mixtures of optical antipodes
CA932720A (en) *	1968-08-20	1973-08-28	American Cyanamid Company	Process for optical resolution and products resulting therefrom
US3686183A (en) *	1969-03-24	1972-08-22	Syntex Corp	Preparation of optical isomers of arylalkylacetic acids
YU36484B (en) *	1973-06-07	1984-02-29	Pliva Pharm & Chem Works	Process for preparing l-(-)-2-methyl-3-(3,4-dihydroxyphenyl)-alanine
JPS50130706A (en) *	1974-04-04	1975-10-16

1977
- 1977-07-23 DE DE2733425A patent/DE2733425C2/en not_active Expired
1978
- 1978-07-14 EP EP78100393A patent/EP0000518B1/en not_active Expired
- 1978-07-14 DE DE7878100393T patent/DE2860412D1/en not_active Expired
- 1978-07-21 JP JP8851378A patent/JPS5424849A/en active Pending
1982
- 1982-06-23 JP JP57106685A patent/JPS5843939A/en active Pending

Also Published As

Publication number	Publication date
EP0000518A1 (en)	1979-02-07
DE2733425C2 (en)	1982-08-26
EP0000518B1 (en)	1981-01-07
DE2733425A1 (en)	1979-01-25
JPS5843939A (en)	1983-03-14
JPS5424849A (en)	1979-02-24

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Legal Events

Date	Code	Title	Description
1986-07-10	8339	Ceased/non-payment of the annual fee