期刊
MOLBANK
卷 2023, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/M1642
关键词
HFIP; ketene silyl acetals; alkylation; S(N)1; alcohol
The synthesis of methyl 3,3-bis[4-(dimethylamino)phenyl]-2,2-dimethylpropanoate is achieved by alkylation of methyl isobutyrate silyl enol ether with bis[4-(dimethylamino)phenyl]methanol using 1,1,1,3,3,3-hexafluoroisopropanol (HFIP) as a solvent and reaction promoter. The reaction proceeds smoothly to produce the compound in good yield via a metal and additive-free procedure. The corresponding ester is fully characterized.
The synthesis of methyl 3,3-bis[4-(dimethylamino)phenyl]-2,2-dimethylpropanoate is achieved by means of the alkylation of methyl isobutyrate silyl enol ether with bis[4-(dimethylamino)phenyl]methanol, facilitated by using 1,1,1,3,3,3-hexafluoroisopropanol (HFIP) as a solvent and reaction promoter. The reaction proceeds smoothly to produce the mentioned compound in a good yield via a metal and additive-free procedure. The corresponding ester is fully characterized.
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