2-Methyl-1,3-cyclopentanedione synthesis
- Product Name:2-Methyl-1,3-cyclopentanedione
- CAS Number:765-69-5
- Molecular formula:C6H8O2
- Molecular Weight:112.13
Yield:765-69-5 68%
Reaction Conditions:
with acetic acid;copper(l) chloride at 120;
Steps:
24 Example 24: Preparation of 2-methyl-1,3-cyclopentanedione
In order to 1,3-cyclopentanedione, tert-butyl peroxybenzoate is used as a raw material, the reaction steps are as follows:In the reaction flask by adding 1,3-cyclopentanedione (0.098g, 1mmol), tert-butyl peroxybenzoate (0.58g, 3mmol), CuCl (0.01g, 0 . 1mmol) and 2 ml acetic acid, 120 °C reaction;TLC until the complete end tracking of the reaction;After the reaction the crude product by column chromatography (petroleum ether: ethyl acetate = 40:1), to obtain the target product (yield 68%).
References:
Soochow University;Zou, Jianping;Zhou, Shaofang;Zhang, Peizhi;Zhang, Guoyu;Zhou, Pengjun;Li, Chengkun CN105254483, 2016, A Location in patent:Paragraph 0044
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