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,
✦ LIBER ✦
α,ω-Dicarboxylic acid salts andα,ω-dicarboxylic acids
✍ Scribed by E. G. Stephanou
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 407 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0028-1042
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Abstroct: ct,to-Dicarboxylic acid dimethxl esters are easily obtained by ring clcasagc ol ttnitrocycloalkanones. Thus, reaction ol the latter compounds ~vith three cquixalents of potassium persullatc, in methanol and in presence o1 sulfuric acid at 80 °C, provides ct.to-dicarboxxltc acid dimethyl es