2-Bromoindene synthesis
- Product Name:2-Bromoindene
- CAS Number:10485-09-3
- Molecular formula:C9H7Br
- Molecular Weight:195.06
5400-80-6
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10485-09-3
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Yield:10485-09-3 77%
Reaction Conditions:
with H-β-zeolite in chlorobenzene at 120; for 6 h;
Steps:
Procedure for the synthesis of β-Bromostyrenes (2a)
General procedure: In a 25 mL round bottomed flask, 250 mg (1.2 mmol) of 2-bromo-1-phenylethanol (1a), 50 mg (20 W/W %) H-β-Zeolite and 1.0 mL of chlorobenzene were placed. The reaction flask was placed in an oil bath at 120°C for 6 h; the progress of the reaction was monitored by TLC. After completion of the reaction, the flask was allowed to attain room temperature, and filtered through Watt-Mann filter paper and washed with 10 mL of diethyl ether. Removal of the solvent under reduced pressure, the left out residue was purified by column chromatography on silica gel (200-400 mesh) and hexane as eluent to obtain 2a in (0.16 g) 72% yield.
References:
Pappula, Venkatanarayana;Donthiri, Ramachandra Reddy;Darapaneni, Chandra Mohan;Subbarayappa, Adimurthy [Tetrahedron Letters,2014,vol. 55,# 10,p. 1793 - 1795] Location in patent:supporting information
10368-44-2
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95-13-6
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10485-09-3
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