ES485745A1 - Proceso selectivo para la preparacion de 8-cloro-3-(b-dieti-lamino-etil)-4-metil-7-etoxicarbonilmetoxi-cumarina sustan- cialmente pura - Google Patents

Proceso selectivo para la preparacion de 8-cloro-3-(b-dieti-lamino-etil)-4-metil-7-etoxicarbonilmetoxi-cumarina sustan- cialmente pura

Info

Publication number
ES485745A1
ES485745A1 ES485745A ES485745A ES485745A1 ES 485745 A1 ES485745 A1 ES 485745A1 ES 485745 A ES485745 A ES 485745A ES 485745 A ES485745 A ES 485745A ES 485745 A1 ES485745 A1 ES 485745A1
Authority
ES
Spain
Prior art keywords
preparation
reacting
selective process
beta
methyl
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
Application number
ES485745A
Other languages
English (en)
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.)
Fidia SpA
Original Assignee
Fidia SpA
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 Fidia SpA filed Critical Fidia SpA
Publication of ES485745A1 publication Critical patent/ES485745A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Saccharide Compounds (AREA)

Abstract

Proceso selectivo para la preparación de 8-cloro-3-(beta- dietilamino-etil)-4-metal-7-etoxicarbonilmetoxi-cumarina sustancialmente pura de la fórmula: **(Fórmula)** en el que se usan los siguientes pasos de reacción: a) la reacción de la 2-clororesorcina con alfa-acetil-gamma- butirolactona en presencia de ácido bromhídrico y ácido acético; b) la reacción del producto resultante con monocloroacetato de etilo en presencia de K2CO3 y KI para introducir en la posición 7 un nuevo sustituyente R3= -CH2COOC2H5; c) la recristalizacidn del producto a partir de acetona-agua; y d) la reacción del producto recrístalizado, en una solución de benceno, con dietilamina en presencia de K2CO3 anhidro.
ES485745A 1978-11-06 1979-11-06 Proceso selectivo para la preparacion de 8-cloro-3-(b-dieti-lamino-etil)-4-metil-7-etoxicarbonilmetoxi-cumarina sustan- cialmente pura Expired ES485745A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT29466/78A IT1100069B (it) 1978-11-06 1978-11-06 Procedimento selettivo per la preparazione di derivati della 7-idrossicumarina

Publications (1)

Publication Number Publication Date
ES485745A1 true ES485745A1 (es) 1980-07-01

Family

ID=11227039

Family Applications (1)

Application Number Title Priority Date Filing Date
ES485745A Expired ES485745A1 (es) 1978-11-06 1979-11-06 Proceso selectivo para la preparacion de 8-cloro-3-(b-dieti-lamino-etil)-4-metil-7-etoxicarbonilmetoxi-cumarina sustan- cialmente pura

Country Status (16)

Country Link
JP (1) JPS5569575A (es)
AT (1) AT372380B (es)
BE (1) BE879821A (es)
CA (1) CA1113948A (es)
CH (1) CH641796A5 (es)
DE (1) DE2944376A1 (es)
ES (1) ES485745A1 (es)
FI (1) FI793400A (es)
FR (1) FR2440948A1 (es)
GB (1) GB2036017B (es)
GR (1) GR68055B (es)
IT (1) IT1100069B (es)
NL (1) NL7907983A (es)
PT (1) PT70412A (es)
YU (1) YU40580B (es)
ZA (1) ZA795805B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5484951A (en) * 1990-10-19 1996-01-16 Octamer, Incorporated 5-iodo-6-amino-6-nitroso-1,2-benzopyrones useful as cytostatic and antiviral agents
US5877185A (en) * 1991-10-22 1999-03-02 Octamer, Inc. Synergistic compositions useful as anti-tumor agents
US5482975A (en) * 1991-10-22 1996-01-09 Octamer, Inc. Adenosine diphosphoribose polymerase binding nitroso aromatic compounds useful as retroviral inactivating agents, anti-retroviral agents and anti-tumor agents
US5783599A (en) * 1993-02-24 1998-07-21 Octamer Inc Methods of treating cancer and viral infections with 5-iodo-6-amino-and 5-iodo-6-nitroso-1 2-benzopyrones

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2361M (fr) * 1961-08-12 1964-02-24 Cassella Farbwerke Mainkur Ag Médicament coronaro-dilatateur renfermant un dérivé de la 7-hydroxy-coumarine.
DE2039867A1 (de) * 1970-08-11 1972-02-17 Troponwerke Dinklage & Co Pharmakologisch wirksame Coumarin-Drivate und Verfahren zu ihrer Darstellung
IT1088554B (it) * 1977-11-17 1985-06-10 F I D I A Spa Procedimento sellettivo per la preparazione di derivati della 7-indrossi cumarina

Also Published As

Publication number Publication date
IT7829466A0 (it) 1978-11-06
YU269679A (en) 1983-01-21
AT372380B (de) 1983-09-26
ATA712979A (de) 1983-02-15
BE879821A (fr) 1980-03-03
JPS5569575A (en) 1980-05-26
YU40580B (en) 1986-02-28
CA1113948A (en) 1981-12-08
ZA795805B (en) 1980-10-29
GB2036017A (en) 1980-06-25
PT70412A (en) 1979-12-01
GB2036017B (en) 1983-03-23
GR68055B (es) 1981-10-29
CH641796A5 (it) 1984-03-15
FI793400A (fi) 1980-05-07
DE2944376A1 (de) 1980-05-14
IT1100069B (it) 1985-09-28
FR2440948A1 (fr) 1980-06-06
NL7907983A (nl) 1980-05-08
FR2440948B1 (es) 1983-06-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001204