Convenient selective monoesterification of α, ω-dicarboxylic acids catalyzed by ion-exchange resins
✍ Scribed by Masahiko Saitoh; Shizuo Fujisaki; Yasuhiro Ishii; Takeshi Nishiguchi
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- French
- Weight
- 187 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
Symmetric dicarboxylic acids, ranging from pentanedioic acid to tetradecanedioic acid, gave selectively the corresponding monoesters in high yields in the transestedfication catalyzed by strongly acidic ion-exchange resins in ester/octane mixtures.
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A regioselective strategy for PPL catalysed monoesterification of aliphatic CL,Odicarboxylic acids with n-butanol have been developed. In addition to high regioselectivity, the method also ensures chemoselective esterification of a saturated acid moiety in presence of a conjugated acid function,
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