4.2'.4'.6'-tetrahydroxy-3-methoxy-trans-chalcone
isorhamnetin
Conditions | Yield |
---|---|
With potassium hydrogensulfate; sodium hydrogencarbonate; sodium carbonate In dichloromethane; water; acetone at 20℃; for 42h; pH=9; | 96.7% |
isorhamnetin
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 20℃; for 4h; | 92% |
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; ethanol at 25℃; for 8h; | 90% |
With palladium 10% on activated carbon; hydrogen In ethanol at 25℃; | 90% |
With hydrogen; palladium dihydroxide In tetrahydrofuran; ethanol for 6h; | 85% |
7-(benzyloxy)-2-(4-(benzyloxy)-3-methoxyphenyl)- 3,5-dihydroxy-4H-chromen-4-one
isorhamnetin
Conditions | Yield |
---|---|
With 20% palladium hydroxide-activated charcoal In ethanol; cyclohexene for 1h; Inert atmosphere; Reflux; | 92% |
With 10% palladium on activated carbon; hydrogen In ethanol at 20℃; for 5h; | 90% |
isorhamnetin-3-O-glucoside
A
D-Glucose
B
isorhamnetin
Conditions | Yield |
---|---|
With hydrogen cation | A n/a B 63% |
With acid hydrolysis |
isorhamnetin
Conditions | Yield |
---|---|
With potassium pyrosulfite In ethanol at 100℃; for 5h; | 55% |
Conditions | Yield |
---|---|
With sulfuric acid; water In ethanol | A n/a B n/a C 42% |
With hydrogenchloride In water at 100℃; | |
With hydrogenchloride; water at 100℃; for 2h; |
Conditions | Yield |
---|---|
Stage #1: 2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone; vanillin With pyrrolidine; oxygen In water under 760.051 Torr; Stage #2: With hydrogenchloride In methanol; water | 41% |
quercetol
S-adenosyl-L-methionine
isorhamnetin
Conditions | Yield |
---|---|
With sodium azide; T133M and Y326R mutant of isoeugenol phenylpropanoid O-methyltransferase from Clarkia breweri In aq. buffer at 30℃; for 240h; pH=7.5; Reagent/catalyst; Enzymatic reaction; regioselective reaction; | 6.8% |
With DL-dithiothreitol; recombinant Plagiochasma appendiculatum flavone 6-O-methyltransferase; magnesium chloride In aq. buffer at 37℃; for 0.5h; pH=7.5; Enzymatic reaction; | |
With Citrus reticulata O-methyltransferase gene-pET32a recombinant In aq. buffer at 37℃; for 2h; pH=8; Kinetics; Enzymatic reaction; |
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
isorhamnetin
Conditions | Yield |
---|---|
With triethylamine at 160℃; Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge; |
3,5,7,4′-tetrahydroxy-8,3′-dimethoxyflavone-3-O-β-D-glucopyranoside
isorhamnetin
Conditions | Yield |
---|---|
With hydrogen cation In water |
Conditions | Yield |
---|---|
With hydrogenchloride for 4h; |
quercetol
A
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-on
B
tamarixetin
C
5-O-methylquercetin
D
isorhamnetin
E
rhamnetin
Conditions | Yield |
---|---|
With O-methyl transferase from cell-free extract of Citrus mitis; <(14)CH3>-S-adenosyl-L-methionine; 2-hydroxyethanethiol In water; dimethyl sulfoxide at 35℃; for 0.5h; Product distribution; pH 7.5 buffer; |
quercetin 3'-O-methyl ether 3-O-α-L-rhamnopyranosyl-(1'''→6")-β-D-galactopyranoside
A
D-Galactose
B
L-rhamnose
C
isorhamnetin
Conditions | Yield |
---|---|
With oxonium Product distribution; |
3-<6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl>oxy-5-hydroxy-7-<β-L-mannopyranosyl>oxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzo-pyran-4-one
isorhamnetin
Conditions | Yield |
---|---|
With sulfuric acid at 90℃; for 0.5h; | 11 mg |
isorhamnetin
Conditions | Yield |
---|---|
With hydrogenchloride In methanol |
Conditions | Yield |
---|---|
With sulfuric acid In water for 0.5h; Heating; |
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
isorhamnetin
Conditions | Yield |
---|---|
With sodium-<4-benzoyloxy-3-methoxy benzoate> at 180 - 185℃; Kochen des Reaktionsprodukts mit waessrig-alkoholischer Kalilauge; |
isorhamnetin
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 1h; |
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 3h; Heating; | 220 mg |
isorhamnetin-3-O-glucoside
isorhamnetin
Conditions | Yield |
---|---|
Acid hydrolysis; |
isorhamnetin
Conditions | Yield |
---|---|
Acid hydrolysis; | |
With hydrogenchloride at 100℃; for 1h; |
B
isorhamnetin
Conditions | Yield |
---|---|
With McIlvaine buffer; flavonol-3-O-β-heterodisaccharide glycosidase at 30℃; for 0.25h; pH=5.0; Enzyme kinetics; |
Conditions | Yield |
---|---|
With DL-dithiothreitol; HCl buffer; 2-amino-2-hydroxymethyl-1,3-propanediol at 37℃; for 1h; pH=7.5; Enzyme kinetics; Enzymatic reaction; | |
With DL-dithiothreitol; HCl buffer; 2-amino-2-hydroxymethyl-1,3-propanediol at 37℃; for 1h; pH=7.5; Enzymatic reaction; |
3,7-bis(benzyloxy)-2-[4-(benzyloxy)-3-hydroxyphenyl]-5-hydroxy-4H-1-benzopyran-4-one
isorhamnetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / K2CO3 / dimethylformamide 2: 85 percent / H2 / 10 percent Pd(OH)2 / ethanol; tetrahydrofuran / 6 h View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl-formamide / 12 h / 25 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran; ethanol / 8 h / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl-formamide / 25 °C 2: palladium 10% on activated carbon; hydrogen / ethanol / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 0.08 h / 0 °C / Inert atmosphere 1.2: 15 h / 20 °C / Inert atmosphere 2.1: hydrogen; palladium 10% on activated carbon / ethyl acetate / 4 h / 20 °C View Scheme |
3-methoxy-4-acetoxybenzoyl chloride
isorhamnetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine; H2O 2: triethylamine / 160 °C / Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether; hydrogen chloride / Kochen des Reaktionsprodukts mit Alkohol 2: sodium salt of/the/ O-benzoyl-vanillic acid / 180 - 185 °C / Kochen des Reaktionsprodukts mit waessrig-alkoholischer Kalilauge View Scheme |
isorhamnetin
Conditions | Yield |
---|---|
With hydrogenchloride; water In methanol for 4h; Reflux; |
isorhamnetin 7-O-β-D-glucopyranoside
A
D-glucose
B
isorhamnetin
Conditions | Yield |
---|---|
With water Acidic conditions; |
uridine 5'-diphospho-D-galactose
isorhamnetin
isorhamnetin 3-β-D-galactopyranoside
Conditions | Yield |
---|---|
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Enzymatic reaction; regiospecific reaction; | 83% |
isorhamnetin
uridine 5'-diphospho-N-acetylglucosamine
Conditions | Yield |
---|---|
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Enzymatic reaction; regiospecific reaction; | 75% |
isorhamnetin
Conditions | Yield |
---|---|
Stage #1: isorhamnetin With [D]-sodium hydroxide; platinum on activated charcoal; water-d2 at 130℃; for 9h; Inert atmosphere; Stage #2: With formic acid at 130℃; for 1h; Inert atmosphere; | 75% |
UDP-glucose
isorhamnetin
isorhamnetin-3-O-glucoside
Conditions | Yield |
---|---|
With UDP glucose:flavonol glucosyltransferase enzyme preparation from Norway spruce needles In water for 0.75h; pH 8.0 bicine buffer; | |
With Populus deltoids Marsh PGT-3 at 37℃; for 0.5h; pH=7.5; Kinetics; Reagent/catalyst; aq. phosphate buffer; Enzymatic reaction; regioselective reaction; |
Conditions | Yield |
---|---|
beim Schmelzen; |
isorhamnetin
Conditions | Yield |
---|---|
Acetylieren; |
The Isorhamnetin, with the CAS registry number 480-19-3, is also known as 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzopyran-4-one. It belongs to the product categories of Penta-substituted Flavones; Flavanols; Aromatics; Heterocycles; Intermediates & Fine Chemicals; Metabolites & Impurities; Pharmaceuticals. Its EINECS registry number is 207-545-5. This chemical's molecular formula is C16H12O7 and molecular weight is 316.26. What's more, both its IUPAC name and systematic name are the same which is called 3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)chromen-4-one. It should be stored in a cool, dry and well-ventilated place. Isorhamnetin is an O-methylated flavonol, a type of chemical compound. It can be found in Tagetes lucida, a psychedelic plant from Mexico and Central America.
Physical properties about Isorhamnetin are: (1)ACD/LogP: 2.787; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.71; (4)ACD/LogD (pH 7.4): 1.42; (5)ACD/BCF (pH 5.5): 64.87; (6)ACD/BCF (pH 7.4): 3.29; (7)ACD/KOC (pH 5.5): 656.29; (8)ACD/KOC (pH 7.4): 33.29; (9)#H bond acceptors: 7; (10)#H bond donors: 4; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 116.45 Å2; (13)Index of Refraction: 1.741; (14)Molar Refractivity: 78.117 cm3; (15)Molar Volume: 193.545 cm3; (16)Polarizability: 30.968×10-24cm3; (17)Surface Tension: 88.309 dyne/cm; (18)Density: 1.634 g/cm3; (19)Flash Point: 227.827 °C; (20)Enthalpy of Vaporization: 92.531 kJ/mol; (21)Boiling Point: 599.429 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25 °C.
When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. Therefore, you should wear suitable protective clothing. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1) SMILES: O=C1c3c(O/C(=C1/O)c2ccc(O)c(OC)c2)cc(O)cc3O
(2) InChI: InChI=1S/C16H12O7/c1-22-11-4-7(2-3-9(11)18)16-15(21)14(20)13-10(19)5-8(17)6-12(13)23-16/h2-6,17-19,21H,1H3
(3) InChIKey: IZQSVPBOUDKVDZ-UHFFFAOYSA-N
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
rat | LD50 | intravenous | 11100mg/kg (11100mg/kg) | Drugs in Japan Vol. 6, Pg. 63, 1982. |
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