6-methoxy-1-tetralone
- CAS NO.:1078-19-9
- Empirical Formula: C11H12O2
- Molecular Weight: 176.21
- MDL number: MFCD00001695
- EINECS: 214-078-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-21 22:41:43
What is 6-methoxy-1-tetralone?
Chemical properties
yellow to light brown fine crystalline powder
The Uses of 6-methoxy-1-tetralone
6-Methoxy-1-tetralone is a reagent useful in the synthesis of (2-(furanyl)vinyl)-1-tetralone chalcones which possesses anticancer agents and inducers of apoptosis.
Definition
ChEBI: 6-Methoxy-1-tetralone is a member of tetralins.
Preparation
(1) Reacting anisole with an acylating agent in Lewis acid and a solvent at the temperature of-10-40 ℃ to generate an intermediate 1, wherein the molar ratio of the Lewis acid to the acylating agent to the anisole is 1-10: 1-10: 1, the Lewis acid is selected from one or more of concentrated sulfuric acid, phosphoric acid, polyphosphoric acid, zinc chloride, aluminum trichloride, superacid and heteropoly acid;
(2) the intermediate 1 does not need to be separated, the temperature is raised to 70-120 ℃, and the intermediate 1 continues to react to generate 6-methoxy-1-tetralone;
(3) cooling the reaction product, adding water to stop the reaction, extracting, purifying and desolventizing to obtain a crude product of the 6-methoxy-1-tetralone, and refining the crude product by a solvent to obtain a high-purity product.
Synthesis Reference(s)
Journal of the American Chemical Society, 64, p. 94, 1942 DOI: 10.1021/ja01253a025
Tetrahedron Letters, 9, p. 2917, 1968 DOI: 10.1016/S0040-4039(00)89611-2
Synthesis
The synthesis of 6-methoxy-1-tetralone is as follows:Eaton's reagent (1.00 mL, 5.31 mmol) was added slowly to a stirred solution of methyl 4-(3-methoxyphenyl)butanoate (4; 0.37g, 1.78 mmol) in DCE (1 mL). The resulting mixture was stirred at 75 °C for 2h under N2 atmosphere. Then, the reaction mixture was allowed to reach room temperature, and was poured over ice-water and extracted with EtOAc (3 × 15 mL). The combined organic extracts were washed successively with brine (2 × 15 mL) and H2O (2 × 20 mL), filtered over Na2SO4 and concentrated under reduced pressure. The resulting brownish oil was fractionated by column chromatography (silica gel, EtOAc-hexanes, 1:9) to obtain 6-methoxy-1-tetralone as ayellowish oil; yield: 0.28 g (91%).
Properties of 6-methoxy-1-tetralone
Melting point: | 77-79 °C (lit.) |
Boiling point: | 171 °C/11 mmHg (lit.) |
Density | 1.0558 (rough estimate) |
refractive index | 1.5250 (estimate) |
Flash point: | 171°C/11mm |
storage temp. | Sealed in dry,Room Temperature |
form | Fine Crystalline Powder |
color | Yellow to light brown |
PH | 5.96 at 23℃ and 10g/L |
Merck | 14,6000 |
BRN | 972739 |
CAS DataBase Reference | 1078-19-9(CAS DataBase Reference) |
NIST Chemistry Reference | 1(2H)-Naphthalenone, 3,4-dihydro-6-methoxy-(1078-19-9) |
EPA Substance Registry System | 1(2H)-Naphthalenone, 3,4-dihydro-6-methoxy- (1078-19-9) |
Safety information for 6-methoxy-1-tetralone
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P284:Wear respiratory protection. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P342+P311:IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. |
Computed Descriptors for 6-methoxy-1-tetralone
InChIKey | MNALUTYMBUBKNX-UHFFFAOYSA-N |
Abamectin manufacturer
Prolife Bio Chemical Industries Pvt Ltd
Vijaya Pharma And Life Science
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