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quercetin 4ʼ-O-β-D-glucopyranoside

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Origin: China

Cas No: 20229-56-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 20229-56-5 Formula: C21H20O12 Molecular Weight: 464.37600

Description

Spiraeoside is a chemical compound. It can be isolated from flowers of Filipendula ulmaria (L.) (aka Spiraea ulmaria or meadowsweet) or from the garden onion (Allium cepa).
Spiraeoside is the 4'-O-glucoside of quercetin.

Basic Info

Chemical Name	quercetin 4ʼ-O-β-D-glucopyranoside
Synonyms	Quercetin 4'-O-glucoside; Spiraeosid; Quercetin 4'-b-D-glucopyranoside; Spiraein; Quercetin-4'-glucoside; 3,5,7-trihydroxy-2-[3-hydroxy-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]chromen-4-one; EINECS 243-614-6; Spiraeoside; quercetin 4'-O-beta-D-glucopyranoside;
CAS No.	20229-56-5
Molecular Formula	C21H20O12
Molecular Weight	464.37600
PSA	210.51000
LogP	-0.53890

Properties

Density	1.809g/cm3
Boiling Point	835.6ºC at 760mmHg
Melting Point	209-211ºC
Flash Point	294.6ºC
Refractive Index	1.774
Vapor Pressure	1.28E-29mmHg at 25°C

Synthesis Route

quercetin+2,3,4,6-Tetra-O-acetyl-α-D-glucopyranosyl Bromide→Quercetin 3-β-D-glucoside+quercetin 4ʼ-O-β-D-glucopyranoside
2-(4-O-β-D-glucopyranosyloxy-3-benzyloxyphenyl)-3,5,7-tribenzyloxy-4H-chromen-4-one→quercetin 4ʼ-O-β-D-glucopyranoside
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(4-(3,7-bis(benzyloxy)-5-hydroxy-4-oxo-4H-chromen-2-yl)-2-hydroxyphenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate→quercetin 4ʼ-O-β-D-glucopyranoside

Precursor

quercetin
2-(4-O-β-D-glucopyranosyloxy-3-benzyloxyphenyl)-3,5,7-tribenzyloxy-4H-chromen-4-one
2-(4-(2,3,4,6-tetra-O-acetyl)-β-D-glucopyranosyloxy-3-benzyloxyphenyl)-3,5,7-tribenzyloxy-4H-chromen-4-one
(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(4-(3,7-bis(benzyloxy)-5-hydroxy-4-oxo-4H-chromen-2-yl)-2-hydroxyphenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate

Downstream Product

quercetin
D-glucopyranose

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