4,4-DIMETHYL-3,4-DIHYDRO-2H-NAPHTHALEN-1-ONE synthesis
- Product Name:4,4-DIMETHYL-3,4-DIHYDRO-2H-NAPHTHALEN-1-ONE
- CAS Number:2979-69-3
- Molecular formula:C12H14O
- Molecular Weight:174.24
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Yield: 75%
Reaction Conditions:
with aluminum (III) chloride for 3 h;Heating / reflux;
Steps:
104
To a stirred solution of aluminum chloride (25.5 g, 191.7 mmol) in benzene (100 mL) at 0° C. was added a solution of above brown oil (7.3 g, 63.9 mmol) in 50 mL of benzene. The resulting solution was then heated to reflux 3 h. The solution was then cooled to rt, quenched slowly in 1N HCl and ice. The benzene layer was successively washed with dilute 1N HCl, water, sodium carbonate solution, dried over magnesium sulfate, and concentrated to give 4,4-dimethyl-3,4-dihydro-2H-naphthalen-1-one (8.4 g 75%).
References:
Wyeth US2005/215539, 2005, A1 Location in patent:Page/Page column 35
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![Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-](/CAS/20210305/GIF/1000210-73-0.gif)
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