PL405697A1 - Process for producing 7,4'-dihydroxy-5-methoxy-8-prenyloflavone - Google Patents

Process for producing 7,4'-dihydroxy-5-methoxy-8-prenyloflavone

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Publication number
PL405697A1
PL405697A1 PL405697A PL40569713A PL405697A1 PL 405697 A1 PL405697 A1 PL 405697A1 PL 405697 A PL405697 A PL 405697A PL 40569713 A PL40569713 A PL 40569713A PL 405697 A1 PL405697 A1 PL 405697A1
Authority
PL
Poland
Prior art keywords
prenyloflavone
dihydroxy
methoxy
producing
isoxanthohumol
Prior art date
Application number
PL405697A
Other languages
Polish (pl)
Other versions
PL219968B1 (en
Inventor
Jarosław Popłoński
Ewa Huszcza
Original Assignee
Uniwersytet Przyrodniczy we Wrocławiu
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 Uniwersytet Przyrodniczy we Wrocławiu filed Critical Uniwersytet Przyrodniczy we Wrocławiu
Priority to PL405697A priority Critical patent/PL219968B1/en
Publication of PL405697A1 publication Critical patent/PL405697A1/en
Publication of PL219968B1 publication Critical patent/PL219968B1/en

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Abstract

Sposób wytwarzania 7,4'-dihydroksy-5-metoksy-8-prenyloflawonu, o wzorze 2, charakteryzuje się tym, że do mieszaniny reakcyjnej składającej się z pirydyny i jodu dodaje się izoksantohumol i ogrzewa się z jednoczesnym mieszaniem do całkowitego przereagowania izoksantohumolu, po czym mieszaninę poreakcyjną rozcieńcza się wodą, usuwa pozostałości jodu, zobojętnia i ekstrahuje rozpuszczalnikiem organicznym, nie mieszającym się z wodą, oddziela frakcję organiczną, osusza i odparowuje rozpuszczalnik i tak otrzymany surowy produkt oczyszcza się znaną metodą.The method of producing 7,4'-dihydroxy-5-methoxy-8-prenyloflavone, of formula II, is characterized in that isoxanthohumol is added to the reaction mixture consisting of pyridine and iodine and heated with simultaneous stirring until the isoxanthohumol has completely reacted the reaction mixture is diluted with water, the iodine residue is removed, neutralized and extracted with a water-immiscible organic solvent, the organic fraction is separated, dried and the solvent is evaporated and the crude product thus obtained is purified by a known method.

PL405697A 2013-10-21 2013-10-21 Process for producing 7,4'-dihydroxy-5-methoxy-8-prenyloflavone PL219968B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL405697A PL219968B1 (en) 2013-10-21 2013-10-21 Process for producing 7,4'-dihydroxy-5-methoxy-8-prenyloflavone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL405697A PL219968B1 (en) 2013-10-21 2013-10-21 Process for producing 7,4'-dihydroxy-5-methoxy-8-prenyloflavone

Publications (2)

Publication Number Publication Date
PL405697A1 true PL405697A1 (en) 2014-04-14
PL219968B1 PL219968B1 (en) 2015-08-31

Family

ID=50442242

Family Applications (1)

Application Number Title Priority Date Filing Date
PL405697A PL219968B1 (en) 2013-10-21 2013-10-21 Process for producing 7,4'-dihydroxy-5-methoxy-8-prenyloflavone

Country Status (1)

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PL (1) PL219968B1 (en)

Also Published As

Publication number Publication date
PL219968B1 (en) 2015-08-31

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Effective date: 20150209