GB9602174D0 - Resolution/racemization process - Google Patents

Resolution/racemization process

Info

Publication number
GB9602174D0
GB9602174D0 GBGB9602174.6A GB9602174A GB9602174D0 GB 9602174 D0 GB9602174 D0 GB 9602174D0 GB 9602174 A GB9602174 A GB 9602174A GB 9602174 D0 GB9602174 D0 GB 9602174D0
Authority
GB
United Kingdom
Prior art keywords
resolution
racemization process
racemization
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
Application number
GBGB9602174.6A
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.)
Chirotech Technology Ltd
Original Assignee
Chiroscience 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 Chiroscience Ltd filed Critical Chiroscience Ltd
Priority to GBGB9602174.6A priority Critical patent/GB9602174D0/en
Publication of GB9602174D0 publication Critical patent/GB9602174D0/en
Priority to ES97902435T priority patent/ES2187753T3/en
Priority to JP9527425A priority patent/JP2000504008A/en
Priority to SK979-98A priority patent/SK283553B6/en
Priority to DE69716713T priority patent/DE69716713T2/en
Priority to HU9901658A priority patent/HUP9901658A3/en
Priority to DK97902435T priority patent/DK0879228T3/en
Priority to EP97902435A priority patent/EP0879228B1/en
Priority to CA002243534A priority patent/CA2243534C/en
Priority to AT97902435T priority patent/ATE226940T1/en
Priority to PT97902435T priority patent/PT879228E/en
Priority to KR19980705911A priority patent/KR100453707B1/en
Priority to PCT/GB1997/000281 priority patent/WO1997028124A1/en
Priority to AU16082/97A priority patent/AU715183B2/en
Priority to CZ19982275A priority patent/CZ292609B6/en
Priority to ZA9700859A priority patent/ZA97859B/en
Priority to MX9806209A priority patent/MX209701B/en
Priority to US09/928,139 priority patent/US7164025B2/en
Pending legal-status Critical Current

Links

GBGB9602174.6A 1996-02-02 1996-02-02 Resolution/racemization process Pending GB9602174D0 (en)

Priority Applications (18)

Application Number Priority Date Filing Date Title
GBGB9602174.6A GB9602174D0 (en) 1996-02-02 1996-02-02 Resolution/racemization process
CZ19982275A CZ292609B6 (en) 1996-02-02 1997-01-31 Process for preparing d-threo-(R,R)-methylphenidate and recycling undesired enantiomers by epimerization
CA002243534A CA2243534C (en) 1996-02-02 1997-01-31 Process for the preparation of d-threo-(r,r)-methylphenidate and recycling of undesired enantiomers by epimerisation
PT97902435T PT879228E (en) 1996-02-02 1997-01-31 PROCESS FOR THE PREPARATION OF D-TREO- (R, R) -METHYLPHENIDATE AND RECYCLING OF UNSAFE BY EPIMERIZATION
SK979-98A SK283553B6 (en) 1996-02-02 1997-01-31 Process for the preparation of D-threo-(R,R)-methyl phenidate and recycling of undesired enantiomers by epimerisation
DE69716713T DE69716713T2 (en) 1996-02-02 1997-01-31 METHOD FOR PRODUCING D-THREO- (R, R) METHYLPHENIDATE AND RECYCLING UNWANTED ENANTIOMERS BY EPIMERIZATION
HU9901658A HUP9901658A3 (en) 1996-02-02 1997-01-31 Process for the preparation of d-threo-(r,r)-methyl phenidate and recycling of undesired enantiomers by epimerisation
DK97902435T DK0879228T3 (en) 1996-02-02 1997-01-31 Process for the preparation of d-threo- (R, R) -methylphenidate and recycling of undesirable enantiomers by epimerization
EP97902435A EP0879228B1 (en) 1996-02-02 1997-01-31 Process for the preparation of d-threo-(r,r)-methyl phenidate and recycling of undesired enantiomers by epimerisation
ES97902435T ES2187753T3 (en) 1996-02-02 1997-01-31 PROCEDURE FOR THE PREPARATION OF D-TREO- (R; R) - METHYLPHENIDATE AND FOR THE RECYCLING OF UNANTIOMERS UNWANTED BY EPIMERIZATION.
AT97902435T ATE226940T1 (en) 1996-02-02 1997-01-31 METHOD FOR PRODUCING D-THREO-(R,R)-METHYLPHENIDATE AND RECYCLING UNDESIRABLE ENANTIOMERS BY EPIMERIZATION
JP9527425A JP2000504008A (en) 1996-02-02 1997-01-31 Preparation of D-threo- (R, R) -methylphenidate and method of recycling unwanted enantiomers by epimerization
KR19980705911A KR100453707B1 (en) 1996-02-02 1997-01-31 Process for the preparation of d-threo-(r,r)-methyl phenidate and recycling of undesired enantiomers by epimerisation
PCT/GB1997/000281 WO1997028124A1 (en) 1996-02-02 1997-01-31 Process for the preparation of d-threo-(r,r)-methyl phenidate and recycling of undesired enantiomers by epimerisation
AU16082/97A AU715183B2 (en) 1996-02-02 1997-01-31 Process for the preparation of D-threo-(R,R)-methyl phenidate and recycling of undesired enantiomers by epimerisation
ZA9700859A ZA97859B (en) 1996-02-02 1997-02-03 The manufacture of single isomer methylphenidate.
MX9806209A MX209701B (en) 1996-02-02 1998-07-31 Process for the preparation of d-threo-(r,r)-methyl phenidate and recycling of undesired enantiomers by epimerisation.
US09/928,139 US7164025B2 (en) 1996-02-02 2001-08-10 Manufacture of single isomer methylphenidate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9602174.6A GB9602174D0 (en) 1996-02-02 1996-02-02 Resolution/racemization process

Publications (1)

Publication Number Publication Date
GB9602174D0 true GB9602174D0 (en) 1996-04-03

Family

ID=10788049

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9602174.6A Pending GB9602174D0 (en) 1996-02-02 1996-02-02 Resolution/racemization process

Country Status (2)

Country Link
GB (1) GB9602174D0 (en)
ZA (1) ZA97859B (en)

Also Published As

Publication number Publication date
ZA97859B (en) 1998-02-03

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