LV10083B - Method of preparation of (6s)- and (6r)-tetrahydrofolic acid - Google Patents

Method of preparation of (6s)- and (6r)-tetrahydrofolic acid Download PDF

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Publication number
LV10083B
LV10083B LVP-93-220A LV930220A LV10083B LV 10083 B LV10083 B LV 10083B LV 930220 A LV930220 A LV 930220A LV 10083 B LV10083 B LV 10083B
Authority
LV
Latvia
Prior art keywords
acid
tetrahydrofolic
τγφκ
sulphonic
kmcjlotbl
Prior art date
Application number
LVP-93-220A
Other languages
English (en)
Latvian (lv)
Other versions
LV10083A (lv
Inventor
Hans Rudolf M Ller
Martin Ulmann
Josef Conti
G Nter M Rdel
Original Assignee
Eprova 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.)
Filing date
Publication date
Application filed by Eprova Ag filed Critical Eprova Ag
Publication of LV10083A publication Critical patent/LV10083A/xx
Publication of LV10083B publication Critical patent/LV10083B/lv

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D475/00—Heterocyclic compounds containing pteridine ring systems
    • C07D475/02—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4
    • C07D475/04—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4 with a nitrogen atom directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D475/00—Heterocyclic compounds containing pteridine ring systems
    • C07D475/06—Heterocyclic compounds containing pteridine ring systems with a nitrogen atom directly attached in position 4
    • C07D475/08—Heterocyclic compounds containing pteridine ring systems with a nitrogen atom directly attached in position 4 with a nitrogen atom directly attached in position 2
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
LVP-93-220A 1991-01-16 1993-04-02 Method of preparation of (6s)- and (6r)-tetrahydrofolic acid LV10083B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH108/91A CH681303A5 (es) 1991-01-16 1991-01-16

Publications (2)

Publication Number Publication Date
LV10083A LV10083A (lv) 1994-05-10
LV10083B true LV10083B (en) 1995-04-20

Family

ID=4179454

Family Applications (1)

Application Number Title Priority Date Filing Date
LVP-93-220A LV10083B (en) 1991-01-16 1993-04-02 Method of preparation of (6s)- and (6r)-tetrahydrofolic acid

Country Status (25)

Country Link
US (1) US5324836A (es)
EP (1) EP0495204B1 (es)
JP (1) JPH0739417B2 (es)
KR (1) KR100207133B1 (es)
CN (1) CN1030079C (es)
AT (1) ATE123777T1 (es)
AU (1) AU654993B2 (es)
CA (1) CA2059103C (es)
CH (1) CH681303A5 (es)
DE (1) DE59105722D1 (es)
DK (1) DK0495204T3 (es)
ES (1) ES2075315T3 (es)
FI (1) FI109906B (es)
GE (1) GEP19971019B (es)
HU (1) HU207083B (es)
IE (1) IE72164B1 (es)
IL (1) IL100478A (es)
LV (1) LV10083B (es)
MX (1) MX9200063A (es)
NO (1) NO301422B1 (es)
NZ (1) NZ241245A (es)
PT (1) PT100014B (es)
RU (1) RU2099340C1 (es)
TW (1) TW198033B (es)
ZA (1) ZA92291B (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682664A5 (en) * 1991-10-15 1993-10-29 Eprova Ag Stable salts of 5,10-methylene tetrahydrofolate.
DE4136921A1 (de) * 1991-11-11 1993-05-13 Knoll Ag Verfahren zur trennung von 5-methyl-tetrahydrofolsaeure
CH683262A5 (it) * 1992-01-22 1994-02-15 Applied Pharma Res Procedimento per la separazione dei diastereomeri del sale di calcio dell'acido (6(R,S)-N-formiltetraidrofolico).
IT1254635B (it) * 1992-02-20 1995-09-28 Bracco Spa Processo per la separazione degli stereoisomeri dell'acido folinico
CH684644A5 (de) * 1992-07-13 1994-11-15 Eprova Ag 5,10-Methylentetrahydrofolsäure-Cyclodextrin-Einschlussverbindungen.
CH686672A5 (de) * 1992-12-01 1996-05-31 Cerbios Pharma Sa Verfahren zur Herstellung von (6S)-5,6,7,8-Tetrahydrofolsaeure.
CH686369A5 (de) * 1994-05-09 1996-03-15 Eprova Ag Stabile kristalline (6S)- und (6R)-Tetrahydrofolseure.
CH689831A5 (de) * 1995-11-07 1999-12-15 Eprova Ag Stabile kristalline Tetrahydrofolsaeure-Salze.
CH693905A5 (de) 1999-04-15 2004-04-15 Eprova Ag Stabile kristalline Salze von 5-Methyltetrahydrofolsäure.
CH694251A5 (de) * 1999-07-14 2004-10-15 Eprova Ag Herstellung von Tetrahydropterin und Derivaten.
CH695217A5 (de) * 1999-07-14 2006-01-31 Merck Eprova Ag Verfahren zur Trennung optischer Isomeren von Tetrahydrofolsäureestersalzen und Tetrahydrofolsäure.
EP1362348B1 (en) 2001-01-16 2011-11-09 GR Intellectual Reserve, LLC Enhanced data storage and retrieval devices and systems and methods for utilizing the same
ITMI20020132A1 (it) 2002-01-25 2003-07-25 Gmt Fine Chemicals Sa Processo per l'ottenimento dell'acido (6s)-5,6,7,8-tetraidrofolico
US7408729B2 (en) 2002-11-21 2008-08-05 Gr Intellectual Reserve, Llc Enhanced data storage and retrieval devices and systems and methods for utilizing same
CH696717A5 (de) * 2004-02-20 2007-10-31 Cerbios Pharma Sa Konzentrierte, stabile Losung, insbesondere eine Injektionslosung oder Infusionslosung, welche nebst Wasser entweder (6S)-Natrium-Folinat oder (6S)-Kalium-Folinat entholt
CH698729B1 (de) 2007-05-30 2009-10-15 Cerbios Pharma Sa Stabile, kristalline (6S)-N(5)-Methyl-5, 6,7,8-tetrahydrofolsäure.
CN101407518A (zh) * 2007-10-11 2009-04-15 南京莱尔生物化工有限公司 (6r,s)-5-甲酰-四氢叶酸的拆分及其成盐的方法
CN104334561B (zh) 2012-04-13 2016-06-22 连云港金康和信药业有限公司 化合物jk12a及其制备
CN104045640B (zh) * 2013-03-14 2016-04-06 天津康鸿医药科技发展有限公司 一种制备高纯度左亚叶酸钙的方法
CN104774169B (zh) * 2014-01-15 2017-02-15 上海韶远试剂有限公司 一种利用非手性助剂进行非对映异构体拆分的新方法
CN108164531B (zh) * 2018-02-12 2019-11-05 江苏红豆杉药业有限公司 一种l-5-甲基四氢叶酸钙的制备方法
ES2966938T3 (es) 2018-07-06 2024-04-25 Merck Patent Gmbh Sal cristalina de ácido 5-metil-(6S)-tetrahidrofólico y éster etílico de L-isoleucina

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3468886A (en) * 1967-10-23 1969-09-23 Us Health Education & Welfare Tetrahydrohomofolic acid sulfate and synthesis thereof
DE2063027A1 (de) * 1969-12-26 1971-07-01 Yamanouchi Pharmaceutical Co Ltd , Tokio Salz einer basischen Aminosäure der 5 6,7,8 Tetrahydrofolsaure
JPS4832120A (es) * 1971-08-31 1973-04-27
US4665176A (en) * 1984-10-23 1987-05-12 Mitsui Toatsu Chemicals, Incorporated Process for the preparation of 5,6,7,8-tetrahydrofolic acid
GB8621268D0 (en) * 1986-09-03 1986-10-08 Univ Strathclyde Separation of substances
CH673459A5 (es) * 1987-05-15 1990-03-15 Eprova Ag
DE3821875C1 (es) * 1988-06-29 1990-02-15 Eprova Ag, Forschungsinstitut, Schaffhausen, Ch
JPH0265787A (ja) * 1988-08-30 1990-03-06 Kyowa Hakko Kogyo Co Ltd Ｌ（‐）‐テトラヒドロ葉酸の製造法
CH676981A5 (es) * 1988-11-11 1991-03-28 Eprova Ag
FR2643081B1 (fr) * 1989-02-14 1991-06-07 Panmedica Sa Folates de magnesium, procede de preparation et compositions pharmaceutiques
US5173488A (en) * 1989-08-21 1992-12-22 American Cyanamid Company Stable injectable pharmaceutical formulation for folic acid and leucovorin salts and method
EP0432441B1 (en) * 1989-12-11 1996-06-26 American Cyanamid Company Process for the preparation of optically pure diastereoisomers of tetrahydrofolate compounds
CH680731A5 (es) * 1990-04-12 1992-10-30 Sapec Fine Chemicals

Also Published As

Publication number Publication date
PT100014B (pt) 1999-08-31
ZA92291B (en) 1992-09-30
ES2075315T3 (es) 1995-10-01
IL100478A (en) 1999-03-12
RU2099340C1 (ru) 1997-12-20
NO920197D0 (no) 1992-01-15
MX9200063A (es) 1993-01-01
HU9200134D0 (en) 1992-04-28
EP0495204B1 (de) 1995-06-14
JPH04312586A (ja) 1992-11-04
IE72164B1 (en) 1997-03-26
US5324836A (en) 1994-06-28
NO920197L (no) 1992-07-17
CH681303A5 (es) 1993-02-26
AU654993B2 (en) 1994-12-01
DE59105722D1 (de) 1995-07-20
TW198033B (es) 1993-01-11
FI109906B (fi) 2002-10-31
AU1025492A (en) 1992-07-23
ATE123777T1 (de) 1995-06-15
CN1030079C (zh) 1995-10-18
KR920014812A (ko) 1992-08-25
EP0495204A1 (de) 1992-07-22
IE920112A1 (en) 1992-07-29
HU207083B (en) 1993-03-01
DK0495204T3 (da) 1995-08-07
HUT60272A (en) 1992-08-28
JPH0739417B2 (ja) 1995-05-01
CN1063285A (zh) 1992-08-05
FI920180A0 (fi) 1992-01-15
CA2059103C (en) 1996-12-17
NO301422B1 (no) 1997-10-27
CA2059103A1 (en) 1992-07-17
IL100478A0 (en) 1992-09-06
FI920180A (fi) 1992-07-17
LV10083A (lv) 1994-05-10
PT100014A (pt) 1993-03-31
GEP19971019B (en) 1997-05-22
NZ241245A (en) 1993-11-25
KR100207133B1 (ko) 1999-07-15

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