2,3-DIMETHYL-2,3-DIHYDRO-1-BENZOFURAN-7-CARBOXYLIC ACID synthesis

1synthesis methods

Product Name:2,3-DIMETHYL-2,3-DIHYDRO-1-BENZOFURAN-7-CARBOXYLIC ACID
CAS Number:103986-71-6
Molecular formula:C11H12O3
Molecular Weight:192.21

119-36-8 Synthesis

119-36-8
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2,3-DIMETHYL-2,3-DIHYDRO-1-BENZOFURAN-7-CARBOXYLIC ACID

103986-71-6
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Yield:-

Steps:

Multi-step reaction with 4 steps
1: 98 percent / K₂CO₃, NaI / acetone / 72 h / Heating
2: 76.5 percent / 3 h / 200 - 210 °C
3: HBr / acetic acid / 0.5 h / Heating
4: 2 N NaOH / 1.5 h / 60 °C

References:

Stanetty, Peter;Koller, Herbert;Puerstinger, Gerhard [Monatshefte fur Chemie,1990,vol. 121,# 11,p. 883 - 891]