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| CAS No.: | 2107-69-9 |
|---|---|
| Name: | 5,6-Dimethoxy-1-indanone |
| Article Data: | 54 |
| Molecular Structure: | |
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|
|
| Formula: | C11H12O3 |
| Molecular Weight: | 192.214 |
| Synonyms: | 5,6-Dimethoxyindan-1-one;5,6-dimethoxy-2,3-dihydroinden-1-one;2,3-Dihydro-5,6-dimethoxy-1H-inden-1-one;1H-Inden-1-one,2,3-dihydro-5,6-dimethoxy-;5,6-Dimethoxy Indanone;5,6-dimethoxy-1-indelene-1-one; |
| EINECS: | 218-287-8 |
| Density: | 1.179 g/cm3 |
| Melting Point: | 118-120 °C |
| Boiling Point: | 339.7 °C at 760 mmHg |
| Flash Point: | 150.4 °C |
| Appearance: | white to light yellow crystal powder |
| Hazard Symbols: |
 Xn,  Xi
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 22-24/25-36-26 |
| PSA: | 35.53000 |
| LogP: | 1.83270 |
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| Conditions | Yield |
|---|---|
| With trifluorormethanesulfonic acid In dichloromethane at 80℃; for 1h; Friedel-Crafts Acylation; High pressure; Inert atmosphere; Green chemistry; | 100% |
| With trifluorormethanesulfonic acid In dichloromethane at 0 - 80℃; | 100% |
| With trifluorormethanesulfonic acid In dichloromethane at 0 - 80℃; for 1.5h; Sealed tube; | 96% |
- 52095-39-3
2-ethenyl-4,5-dimethoxybenzaldehyde
- 2107-69-9
5,6-dimethoxy-1-indanone
| Conditions | Yield |
|---|---|
| With bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate; 6-diphenylphosphinomethyl-3-methyl-2-aminopyridine In toluene at 150℃; for 1h; Inert atmosphere; | 98% |
| With acetic acid; L-proline at 120℃; for 24h; Catalytic behavior; Reagent/catalyst; Temperature; Green chemistry; | 90% |
| Conditions | Yield |
|---|---|
| Stage #1: 6-hydroxy-5-methoxyindan-1-one With sodium hydride In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran at 20℃; for 1h; | 90.1% |
| Conditions | Yield |
|---|---|
| With pyridine; palladium diacetate; tetrabutyl-ammonium chloride In N,N-dimethyl-formamide at 100℃; under 760 Torr; for 24h; | 82% |
- 51842-87-6
3-(3,4-dimethoxy-phenyl)-propionyl chloride
- 2107-69-9
5,6-dimethoxy-1-indanone
| Conditions | Yield |
|---|---|
| With rhenium(I) pentacarbonyl bromide In 1,2-dichloro-ethane for 2h; Heating; | 80% |
| With aluminium trichloride In dichloromethane at 20℃; for 3h; | 40.2 g |
| With aluminum (III) chloride In dichloromethane at 20℃; for 2h; |
- 2107-69-9
5,6-dimethoxy-1-indanone
| Conditions | Yield |
|---|---|
| With silica gel; pyridinium chlorochromate In dichloromethane at 25℃; for 6h; | 72% |
- 64803-82-3
dimethyl 2-((3-(3,4-dimethoxyphenyl)propanoyl)oxy)succinate
- 2107-69-9
5,6-dimethoxy-1-indanone
| Conditions | Yield |
|---|---|
| With aluminum (III) chloride In dichloromethane at 0 - 20℃; Friedel-Crafts Acylation; Inert atmosphere; regioselective reaction; | 70% |
| Conditions | Yield |
|---|---|
| With pyridine; tetrabutyl-ammonium chloride; tri tert-butylphosphoniumtetrafluoroborate; palladium diacetate In N,N-dimethyl-formamide at 130℃; for 0.333333h; microwave irradiation; | 67% |
- 2107-70-2
3,4-methoxycinnamic acid
A
- 2107-69-9
5,6-dimethoxy-1-indanone
B
- 57441-74-4
6,7-dimethoxy-2,3-dihydro-1H-inden-1-one
| Conditions | Yield |
|---|---|
| With terbium(III) trifluoromethanesulfonate In chlorobenzene at 250℃; for 1h; Friedel-Crafts reaction; | A 65% B 5% |
- 154317-78-9
5-(3,4-dimethoxybenzyl)-2,2-dimethyl-[1,3]dioxane-4,6-dione
- 2107-69-9
5,6-dimethoxy-1-indanone
| Conditions | Yield |
|---|---|
| With scandium tris(trifluoromethanesulfonate) In nitromethane at 100℃; for 0.75h; Friedel-Crafts acylation; | 59% |
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Chemistry
Molecular Structure of 5,6-Dimethoxyindan-1-one (CAS NO. 2107-69-9):
IUPAC Name: 5,6-Dimethoxy-2,3-dihydroinden-1-one
Molecular Formula: C11H12O3
Molecular Weight: 192.211180 g/mol
Index of Refraction: 1.549
Molar Refractivity: 51.91 cm3
Molar Volume: 163 cm3
Polarizability: 20.58 × 10-24 cm3
Surface Tension: 41.9 dyne/cm
Density: 1.179 g/cm3
Flash Point: 150.4 °C
Enthalpy of Vaporization: 58.32 kJ/mol
Boiling Point: 339.7 °C at 760 mmHg
Vapour Pressure: 9.02E-05 mmHg at 25 °C
Melting Point: 118-120 °C
EINECS: 218-287-8
Product Categories: Indane/Indanone and Derivatives;Indanone & Indene;API intermediates;Aromatics Compounds;Intermediates of Donepezil;Aromatics;C11 to C12;Carbonyl Compounds;Ketones
Safety Profile
Safety Information of 5,6-Dimethoxyindan-1-one (CAS NO. 2107-69-9):
Hazard Codes: Xn,Xi 
Risk Statements: 20/21/22-36/37/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed
R36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 22-24/25-36-26
S22:Do not breathe dust
S24/25:Avoid contact with skin and eyes
S36:Wear suitable protective clothing
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
WGK Germany: 3
Specification
5,6-Dimethoxyindan-1-one with cas registry number of 2107-69-9 is white to light yellow crystal powder, also called NSC 401450 ; 1H-Inden-1-one, 2,3-dihydro-5,6-dimethoxy- .