ES456574A1 - Procedimiento de obtencion de pentametil-carbamato de quer- cetina. - Google Patents

Procedimiento de obtencion de pentametil-carbamato de quer- cetina.

Info

Publication number
ES456574A1
ES456574A1 ES456574A ES456574A ES456574A1 ES 456574 A1 ES456574 A1 ES 456574A1 ES 456574 A ES456574 A ES 456574A ES 456574 A ES456574 A ES 456574A ES 456574 A1 ES456574 A1 ES 456574A1
Authority
ES
Spain
Prior art keywords
carbamate
preparation
quercetin
pentamethyl
quercetin pentamethyl
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
ES456574A
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.)
Rocador SA
Original Assignee
Rocador SA
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 Rocador SA filed Critical Rocador SA
Priority to ES456574A priority Critical patent/ES456574A1/es
Publication of ES456574A1 publication Critical patent/ES456574A1/es
Priority to US05/884,448 priority patent/US4202825A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic 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
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/28—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
    • C07D311/30—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only not hydrogenated in the hetero ring, e.g. flavones

Landscapes

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

Abstract

Procedimiento de obtención de pentametil-carbamato de quercetina, caracterizado porque el quercetín, de fórmula estructural: **(Fórmula)** previamente disuelto en piridina anhidra, se hace reaccionar con isocianato de metilo, y al precipitado resultante, se añade ácido sulfúrico diluido, se agita, filtra y lava, obteniéndose pentametil-carbamato de quercetina.
ES456574A 1977-03-07 1977-03-07 Procedimiento de obtencion de pentametil-carbamato de quer- cetina. Expired ES456574A1 (es)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES456574A ES456574A1 (es) 1977-03-07 1977-03-07 Procedimiento de obtencion de pentametil-carbamato de quer- cetina.
US05/884,448 US4202825A (en) 1977-03-07 1978-03-07 Quercetin pentamethyl carbamate and a process for its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES456574A ES456574A1 (es) 1977-03-07 1977-03-07 Procedimiento de obtencion de pentametil-carbamato de quer- cetina.

Publications (1)

Publication Number Publication Date
ES456574A1 true ES456574A1 (es) 1978-02-16

Family

ID=8473292

Family Applications (1)

Application Number Title Priority Date Filing Date
ES456574A Expired ES456574A1 (es) 1977-03-07 1977-03-07 Procedimiento de obtencion de pentametil-carbamato de quer- cetina.

Country Status (2)

Country Link
US (1) US4202825A (es)
ES (1) ES456574A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1245371B (it) * 1991-03-28 1994-09-20 Geymonat Spa Derivati di flavoni, procedimento per la loro preparazione e composizioni farmaceutiche che li contengono
US5266571A (en) * 1992-01-09 1993-11-30 Amer Moh Samir Treatment of hemorrhoids with 5-HT2 antagonists
US5869059A (en) * 1996-01-16 1999-02-09 Mon's Tea Partnership Herbal composition for hemorrhoid treatment
GB9613455D0 (en) 1996-06-27 1996-08-28 Aston Molecules Ltd Analogues or derivatives of quercetin
AU2001291077A1 (en) * 2000-09-21 2002-04-02 Teva Pharmaceuticals Industries Ltd. N-disubstituted carbamoyloxy flavones
US6365198B1 (en) * 2001-01-28 2002-04-02 Gulf Pharmaceutical Industries Pharmaceutical preparation for the treatment of gastrointestinal ulcers and hemorrhoids
US20060008536A1 (en) * 2004-07-08 2006-01-12 Jdc Pharmaceutical Pharmaceutical compositions and methods of use
ITMI20060712A1 (it) * 2006-04-11 2007-10-12 Fond Irccs Istituto Di Ricovero E Cura ... Uso di aminaftone per la preparazione di un medicamento per il trattamento delle arteriopatie
CN103087024B (zh) * 2013-01-15 2014-11-19 四川大学 一类黄酮烷基胺类化合物、其制备方法和用途
WO2023001268A1 (zh) * 2021-07-23 2023-01-26 深圳枫语生物医药科技有限公司 一种白杨素衍生物及其制备方法和应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2892845A (en) * 1957-11-26 1959-06-30 Jurd Leonard Selective etherification of the 7-hydroxyl group in polyhydroxy flavonoids
CH471113A (de) * 1965-01-29 1969-04-15 Merck Ag E Verfahren zur Herstellung von wasserlöslichen Flavanoidderivaten
US3468913A (en) * 1965-07-15 1969-09-23 Fmc Corp 8-chromanyl-carbamate esters
US3557150A (en) * 1968-10-30 1971-01-19 Fmc Corp Benzopyranyl carbamates
BE803359A (fr) * 1972-08-31 1973-12-03 Cortial Nouveaux derives de la quercetine et leur procede de preparation

Also Published As

Publication number Publication date
US4202825A (en) 1980-05-13

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