ES2057324T3 - Procedimiento para la separacion de enantiomeros de derivados del benzopirano. - Google Patents

Procedimiento para la separacion de enantiomeros de derivados del benzopirano.

Info

Publication number
ES2057324T3
ES2057324T3 ES90120301T ES90120301T ES2057324T3 ES 2057324 T3 ES2057324 T3 ES 2057324T3 ES 90120301 T ES90120301 T ES 90120301T ES 90120301 T ES90120301 T ES 90120301T ES 2057324 T3 ES2057324 T3 ES 2057324T3
Authority
ES
Spain
Prior art keywords
enantiomers
separation
procedure
benzopirane
derivatives
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.)
Expired - Lifetime
Application number
ES90120301T
Other languages
English (en)
Inventor
Ralf Dr Devant
Rolf Dr Gericke
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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 Merck Patent GmbH filed Critical Merck Patent GmbH
Application granted granted Critical
Publication of ES2057324T3 publication Critical patent/ES2057324T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrane Compounds (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA LA SEPARACION DE ENANTIOMEROS DE 3, 4-EPOXI-3, 4-DIHIDRO-2, 2-DIMETIL-3-R-2H-1-BENZOPIRANO-6 -CARBONITRILENO (I), EN EL QUE R SIGNIFICA H O CH SUB 3, CARACTERIZADO PORQUE I RACEMICO SE DISUELVE JUNTO CON UNA PEQUEÑA CANTIDAD DE (-)-I [O BIEN (+)-I] EN UN DISOLVENTE INERTE O MEZCLA DE DISOLVENTES, LA SOLUCION SE INYECTA CON (-)-I [O BIEN (+)-I], SE AISLA EL (+)-I [O BIEN (-)-I] PRECIPITADO, EN EL FILTRADO SE DISUELVE OTRO I RACEMICO, SE INYECTA CON (+)-I [O BIEN (-)-I], SE AISLA EL (+)-I [O BIEN (-)-I] PRECIPITADO Y, SI SE DESEA, SE REPITE ESTE CICLO DE CRISTALIZACION UNA O MAS VECES.
ES90120301T 1989-11-03 1990-10-23 Procedimiento para la separacion de enantiomeros de derivados del benzopirano. Expired - Lifetime ES2057324T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3936616A DE3936616A1 (de) 1989-11-03 1989-11-03 Verfahren zur enantiomerentrennung von benzopyranderivaten

Publications (1)

Publication Number Publication Date
ES2057324T3 true ES2057324T3 (es) 1994-10-16

Family

ID=6392797

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90120301T Expired - Lifetime ES2057324T3 (es) 1989-11-03 1990-10-23 Procedimiento para la separacion de enantiomeros de derivados del benzopirano.

Country Status (20)

Country Link
US (1) US5103025A (es)
EP (1) EP0425980B1 (es)
JP (1) JPH03153691A (es)
KR (1) KR910009709A (es)
AR (1) AR246266A1 (es)
AT (1) ATE109124T1 (es)
AU (1) AU630760B2 (es)
CA (1) CA2029107A1 (es)
DE (2) DE3936616A1 (es)
DK (1) DK0425980T3 (es)
ES (1) ES2057324T3 (es)
FI (1) FI905440A7 (es)
HU (1) HU206357B (es)
IE (1) IE64627B1 (es)
IL (1) IL96224A (es)
NO (1) NO174713C (es)
NZ (1) NZ235941A (es)
PT (1) PT95774B (es)
YU (1) YU47802B (es)
ZA (1) ZA908816B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430621A3 (en) * 1989-11-29 1992-03-04 Beecham Group P.L.C. Process for the preparation of chiral 3,4-epoxy benzopyrans
KR100547166B1 (ko) * 2003-04-11 2006-01-26 허윤석 개량형 단단문합기

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4916426B1 (es) * 1968-09-30 1974-04-22
FR2615191B1 (fr) * 1987-05-16 1991-01-11 Sandoz Sa Nouveaux benzo(b)pyrannes et pyrannopyridines, leur preparation et leur utilisation comme medicaments
DE3811017A1 (de) * 1988-03-31 1989-10-19 Hoechst Ag Ungesaettigte n-benzopyranyllactame
AU628331B2 (en) * 1988-05-06 1992-09-17 Merck Patent Gesellschaft Mit Beschrankter Haftung Chroman derivatives
DE3904496A1 (de) * 1989-02-15 1990-08-16 Merck Patent Gmbh Verfahren zur enantiomerentrennung eines benzopyranderivats
EP0430621A3 (en) * 1989-11-29 1992-03-04 Beecham Group P.L.C. Process for the preparation of chiral 3,4-epoxy benzopyrans

Also Published As

Publication number Publication date
NO904773L (no) 1991-05-06
HU206357B (en) 1992-10-28
EP0425980A1 (de) 1991-05-08
AU6578790A (en) 1991-05-09
NZ235941A (en) 1992-03-26
US5103025A (en) 1992-04-07
DE3936616A1 (de) 1991-05-08
DK0425980T3 (da) 1994-08-22
JPH03153691A (ja) 1991-07-01
FI905440A7 (fi) 1991-05-04
IE64627B1 (en) 1995-08-23
NO174713B (no) 1994-03-14
YU47802B (sr) 1996-01-09
AR246266A1 (es) 1994-07-29
NO174713C (no) 1994-06-22
FI905440A0 (fi) 1990-11-02
PT95774B (pt) 1997-11-28
HUT58740A (en) 1992-03-30
IE903967A1 (en) 1991-05-08
IL96224A (en) 1995-03-15
DE59006582D1 (de) 1994-09-01
IL96224A0 (en) 1991-08-16
AU630760B2 (en) 1992-11-05
CA2029107A1 (en) 1991-05-04
HU907006D0 (en) 1991-05-28
ATE109124T1 (de) 1994-08-15
NO904773D0 (no) 1990-11-02
PT95774A (pt) 1991-09-13
EP0425980B1 (de) 1994-07-27
ZA908816B (en) 1991-09-25
YU189090A (sh) 1992-09-07
KR910009709A (ko) 1991-06-28

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