PL234088B1 - 7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone and method for obtaining 7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone - Google Patents

7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone and method for obtaining 7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone Download PDF

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PL234088B1
PL234088B1 PL418560A PL41856016A PL234088B1 PL 234088 B1 PL234088 B1 PL 234088B1 PL 418560 A PL418560 A PL 418560A PL 41856016 A PL41856016 A PL 41856016A PL 234088 B1 PL234088 B1 PL 234088B1
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methylbutyl
hydroxy
glucopyranosyl
methyl
methoxyflavanone
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PL418560A
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PL418560A1 (en
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Jarosław Popłoński
Sandra Sordon
Tomasz Tronina
Agnieszka Bartmańska
Ewa Huszcza
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Wrocław University Of Environmental And Life Sciences
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Opis wynalazkuDescription of the invention

Przedmiotem wynalazku jest 7-O-3-D-4”'-O-metylo-glukopiranozylo-4'-hydroksy-8-[3”-metylobutylo]-5-metoksyflawanon, o wzorze 2 przedstawionym na rysunku oraz sposób otrzymywania 7-O-p-D-4'”-O-metylo-glukopiranozylo-4'-hydroksy-8-[3”-metylobutylo]-5-metoksyflawanonu.The subject of the invention is 7-O-3-D-4 "- O-methyl-glucopyranosyl-4'-hydroxy-8- [3" -methylbutyl] -5-methoxyflavanone, as shown in the figure, and the preparation of 7- OpD-4 "- O-methyl-glucopyranosyl-4'-hydroxy-8- [3" -methylbutyl] -5-methoxy flavanone.

Związek ten jest biologicznie czynny i może mieć zastosowanie w przemyśle spożywczym i farmaceutycznym.This compound is biologically active and can be used in the food and pharmaceutical industries.

W dostępnej literaturze nie znaleziono doniesień o przedmiotowym związku ani o sposobach jego otrzymywania.In the available literature, no reports of the compound in question or of the methods of its preparation were found.

Glukozylacja flawonoidów zwiększa ich hydrofilowość, co można wykorzystać podczas produkcji rozpuszczalnych w wodzie nutraceutyków. Związek według wynalazku jest potencjalnym materiałem wyjściowym dla dalszych strukturalnych modyfikacji, które mogą okazać się użyteczne w produkcji aktywniejszych związków.Glucosylation of flavonoids increases their hydrophilicity, which can be used in the production of water-soluble nutraceuticals. The compound of the invention is a potential starting material for further structural modifications that may prove useful in the production of more active compounds.

Istotą wynalazku jest 7-O-3-D-4'”-O-metylo-glukopiranozylo-4'-hydroksy-8-[3”-metylobutylo]-5-metoksyflawanon.The essence of the invention is 7-O-3-D-4 "- O-methyl-glucopyranosyl-4'-hydroxy-8- [3" -methylbutyl] -5-methoxy flavanone.

Istotą wynalazku jest także sposób otrzymywania tego związku, polegający na tym, że substrat, którym jest 7,4'-dihydroksy-5-metoksy-8-[3”-metylobutylo]-flawanon, poddaje się transformacji mikrobiologicznej, w wyniku czego otrzymuje się 7-O-3-D-4'”-O-metylo-glukopiranozylo-4'-hydroksy-8-[3”-metylobutylo]-5-metoksyflawanon. Grzyby strzępkowe z gatunku Beauveria bassiana namnaża się w płynnym podłożu mikrobiologicznym, przy ciągłym mieszaniu reagentów, w temperaturze 12-40°C. Następnie do narośniętej hodowli dodaje się substrat i dalej prowadzi proces, aż do całkowitego zużycia substratu. Po zakończeniu transformacji roztwór transformacyjny ekstrahuje się rozpuszczalnikiem organicznym niemieszającym się z wodą, oddziela frakcję organiczną, osusza bezwodnym siarczanem magnezu, odparowuje rozpuszczalnik - i tak otrzymany surowy produkt oczyszcza się za pomocą technik chromatograficznych.The essence of the invention is also the method of obtaining this compound, which consists in that the substrate, which is 7,4'-dihydroxy-5-methoxy-8- [3 "-methylbutyl] -flavanone, is subjected to microbiological transformation, as a result of which 7-O-3-D-4 "- O-methyl-glucopyranosyl-4'-hydroxy-8- [3" -methylbutyl] -5-methoxy flavanone. Filamentous fungi of the species Beauveria bassiana are multiplied in a liquid microbial medium under constant stirring of the reagents at a temperature of 12-40 ° C. Subsequently, a substrate is added to the grown culture and the process is continued until the substrate is completely consumed. After completion of the transformation, the transformation solution is extracted with a water-immiscible organic solvent, the organic fraction is separated, dried over anhydrous magnesium sulfate, the solvent is evaporated - and the crude product thus obtained is purified by chromatographic techniques.

Korzystnie jest, gdy grzybem jest Beauveria bassiana AM278.Preferably the fungus is Beauveria bassiana AM278.

Korzystnie także jest, gdy reakcję prowadzi się w temperaturze 26°C przy ciągłym wstrząsaniu reagentów.It is also preferred that the reaction is carried out at 26 ° C with continuous agitation of the reactants.

Postępując zgodnie z wynalazkiem, w wyniku działania układu enzymatycznego zawartego w żywych komórkach kultury Beauveria bassiana następuje reakcja glikozylacji w substracie.In accordance with the invention, the glycosylation reaction in the substrate takes place as a result of the enzyme system contained in the living cells of the Beauveria bassiana culture.

Zasadniczą zaletą wynalazku jest otrzymanie, w łagodnych warunkach 7-O-3-D-4'”-O-metyloglukopiranozylo-4'-hydroksy-8-[3”-metylobutylo]-5-metoksyflawanonu, jako głównego produktu reakcji w kulturze Beauveria bassiana. Wydajność reakcji osiąga poziom 12%.The main advantage of the invention is obtaining, under mild conditions, 7-O-3-D-4 "- O-methylglucopyranosyl-4'-hydroxy-8- [3" -methylbutyl] -5-methoxy flavanone as the main reaction product in the Beauveria culture bassiana. The reaction yield is 12%.

Wynalazek jest bliżej objaśniony w przykładzie wykonania.The invention is explained in more detail in an embodiment.

P r z y k ł a d 1. Do kolby o pojemności 300 cm3 w której znajduje się 100 cm3 sterylnej pożywki zawierającej 3 g glukozy i 1 g aminobaku na 1 dm3 wody destylowanej, wprowadza się grzyby strzępkowe Beauveria bassiana AM278. Po 6 dniach wzrostu drobnoustrojów w temperaturze 26°C i przy ciągłym wstrząsaniu, dodaje się 15 mg 7,4'-dihydroksy-5-metoksy-8-[3”-metylobutylo]-flawanonu, o wzorze 1, rozpuszczonego w 1,5 cm3 dimetylosulfotlenku. Transformację prowadzi się przy ciągłym wstrząsaniu przez 10 dób. Po tym czasie hodowlę zakwasza się 1-molowym kwasem chlorowodorowym do pH 4,5. Następnie, uzyskany roztwór transformacyjny ekstrahuje się trzykrotnie octanem etylu, osusza bezwodnym siarczanem magnezu i odparowuje rozpuszczalnik. Uzyskuje się 3,84 mg surowego ekstraktu, który oczyszcza się chromatograficznie, używając jako eluentu mieszaninę chloroform : metanol w stosunku objętościowym 1:1. Po oczyszczeniu otrzymuje się 2,7 mg 7-O-3-D-4”'-O-metylo-glukopiranozylo-4'-hydroksy-8-[3”-metylobutylo]-5-metoksyflawanonu, o wzorze 2 z wydajnością 12%.EXAMPLE 1 To a flask of 300 cm 3 which is 100 cm 3 of sterile medium containing 3 g of glucose and 1 g aminobaku per 1 dm 3 of distilled water is introduced into filamentous fungi, Beauveria bassiana AM278. After 6 days of microbial growth at 26 ° C and with continuous shaking, 15 mg of 7,4'-dihydroxy-5-methoxy-8- [3 "-methylbutyl] flavanone, formula 1, dissolved in 1.5 cm 3 dimethylsulfoxide. The transformation is carried out under continuous shaking for 10 days. After this time, the culture is acidified with 1 M hydrochloric acid to a pH of 4.5. Then, the resulting transformation solution was extracted three times with ethyl acetate, dried with anhydrous magnesium sulfate, and the solvent was evaporated. 3.84 mg of crude extract is obtained, which is purified by chromatography using 1: 1 by volume chloroform: methanol as eluent. After purification, 2.7 mg of 7-O-3-D-4 "" - O-methyl-glucopyranosyl-4'-hydroxy-8- [3 "-methylbutyl] -5-methoxy flavanone are obtained with a yield of 12 %.

Uzyskany produkt charakteryzuje się następującymi danymi spektralnymi:The obtained product is characterized by the following spectral data:

1H NMR (600 MHz, DMSO-d6) δ: 0,84 (6H, m, H-4'', H-5''), 1,24 (1H, m, H-2''a),1,34 (1H, m, H-2''b), 1,47 (1H, m, H-3''), 2,44 (1H, m, H-1 ''a), 2,59 (1H, m, H-1 ”b), 2,65 (1H, m, H-3a, eq), 2,93 (1H, m, H-3b, ax), 2,98 (1H, m, H-4'''), 3,24-3,32 (1H, m, H-2''') 3,38-3,49 (2H, m, H-3''', H-5'''), 3,45 (3H, m, C4'''-OCHs), 3,48 (1H, m, H-6'''a), 3,66 (1H, m, H-6'''b), 3,76 (3H, s,C5-OCH), 4,96 (1H, m, H-1'''), 5,35 (1H, m, H-2), 6,45 (1H, s, H-6), 6,78 (2H, m, J = 8,4 Hz, H-3'', H-5'), 7,29 (2H, m, J = 8,4 Hz, H-2', H-6'). 1 H NMR (600 MHz, DMSO-d6) δ: 0.84 (6H, m, H-4 ", H-5"), 1.24 (1H, m, H-2 "), 1.34 (1H, m, H-2 "b), 1.47 (1H, m, H-3"), 2.44 (1H, m, H-1 "a), 2.59 (1H, m, H-1 "b), 2.65 (1H, m, H-3a, eq), 2.93 (1H, m, H-3b, ax), 2.98 (1H, m, H-4 "), 3.24-3.32 (1H, m, H-2") 3.38-3.49 (2H, m, H-3 ", H-5""), 3.45 (3H, m, C4" - OCHs), 3.48 (1H, m, H-6 "" a), 3.66 (1H, m, H-6 "'b), 3.76 (3H, s, C5-OCH), 4.96 (1H, m, H-1 ""), 5.35 (1H, m, H-2), 6.45 ( 1H, s, H-6), 6.78 (2H, m, J = 8.4 Hz, H-3 ", H-5"), 7.29 (2H, m, J = 8.4 Hz , H-2 ', H-6').

13C NMR (150 MHz, DMSO-d6) δ: 20,13/20,19 (C-1''), 22,41/22,50 (C-4''), 22,53/22,64 (C-5''), 27,47/27,49 (C-3''), 38,12 (C-2”), 44,65/44,86 (C-3), 55,55 (C5-OCH), 59,71 (C4'”-OCH), 60,45 (C-6'”), 73,52/73,53 (C-2'''), 76,02 (C-5'”), 76,65 (C-3'''), 77,84 (C-2), 79,45 (C-4'''), 92,54/92,63 (C-6), 100,01 (C-1'''), 106,08/106,20 (C-10), 111,14/111,18 (C-8), 115,08/115,10 (C-3', C-5'), 127,64 (C-2', C-6'), 129,46/129,52 (C-1'), 157,40 (C-4'), 159,44/159,48 (C-5), 160,67/160,75 (C-9), 160,78/160,82 (C-7), 188,82/188,85 (C=0). 13 C NMR (150 MHz, DMSO-d6) δ: 20.13 / 20.19 (C-1 "), 22.41 / 22.50 (C-4"), 22.53 / 22.64 (C-5 "), 27.47 / 27.49 (C-3"), 38.12 (C-2 "), 44.65 / 44.86 (C-3), 55.55 ( C5-OCH), 59.71 (C4 "- OCH), 60.45 (C-6""), 73.52 / 73.53 (C-2""), 76.02 (C-5 '"), 76.65 (C-3""), 77.84 (C-2), 79.45 (C-4""), 92.54 / 92.63 (C-6), 100.01 (C-1 "), 106.08 / 106.20 (C-10), 111.14 / 111.18 (C-8), 115.08 / 115.10 (C-3 ' , C-5 '), 127.64 (C-2', C-6 '), 129.46 / 129.52 (C-1'), 157.40 (C-4 '), 159.44 / 159.48 (C-5), 160.67 / 160.75 (C-9), 160.78 / 160.82 (C-7), 188.82 / 188.85 (C = O).

PL 234 088 B1PL 234 088 B1

Claims (1)

Zastrzeżenia patentowePatent claims 1. 7-O-3-D-4”'-O-metylo-glukopiranozylo-4'-hydroksy-8-[3”-metylobutylo]-5-metoksyflawanon,1. 7-O-3-D-4 "- O-methyl-glucopyranosyl-4'-hydroxy-8- [3" -methylbutyl] -5-methoxy flavanone,
PL418560A 2016-09-05 2016-09-05 7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone and method for obtaining 7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone PL234088B1 (en)

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PL418560A PL234088B1 (en) 2016-09-05 2016-09-05 7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone and method for obtaining 7-O-β-D-4'''-O-methyl-glucopyranosyl-4'-hydroxy-8'-[3"-methylbutyl]-5'-methoxyflavanone

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