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syringin

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Origin: China

Cas No: 118-34-3

Specification: 99%min

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CAS No.: 118-34-3 Formula: C17H24O9 Molecular Weight: 372.36700

Description

Syringin is a natural chemical compound first isolated from the bark of lilac (Syringa vulgaris) by Meillet in 1841. It has since been found to be distributed widely throughout many types of plants. It is also called eleutheroside B, and is found in Eleutherococcus senticosus (Siberian ginseng). It is also found in dandelion coffee.
Chemically, it is the glucoside of sinapyl alcohol.

Basic Info

Chemical Name	syringin
Synonyms	ELEUTHEROSIDE B; β-D-Glucopyranoside, 4-(3-hydroxy-1-propenyl)-2,6-dimethoxyphenyl;
CAS No.	118-34-3
Molecular Formula	C17H24O9
Molecular Weight	372.36700
PSA	138.07000
LogP	-1.11200

Properties

Density	1.415 g/cm3
Boiling Point	642.6ºC at 760 mmHg
Flash Point	342.4ºC
Refractive Index	1.622
Vapor Pressure	2.17E-17mmHg at 25°C

Safety Info

HS Code	2932999099

Synthesis Route

(E)-3-[3,5-Dimethoxy-4-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy)phenyl]prop-2-en-1-ol→syringin
3,5-dimethoxy-4-(tetra-O-acetyl-β-D-glucopyranosyloxy)-trans-cinnamaldehyde→syringin
2,3,4,6-Tetra-O-acetyl-α-D-glucopyranosyl Bromide→syringin

Precursor

[(2R,3R,4S,5R)-3,4,5,6-tetraacetyloxyoxan-2-yl]methyl acetate
2,3,4,6-Tetra-O-acetyl-α-D-glucopyranosyl Bromide
(E)-3-[3,5-Dimethoxy-4-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyloxy)phenyl]prop-2-en-1-ol
3,5-dimethoxy-4-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)benzaldehyde

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