Selective Mono-O-acylation of <i>C</i><sub>2</sub><i><sub>V</sub></i>-Symmetrical Calix[4]arenediols with Acylisocyanates
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资源简介：
Calix[4]arenedialkyl ethers 3 react with an excess of acylisocyanates to give selectively monoacylated products 4. Intramolecular hydrogen bonds and steric effects of the acylcarbamate fragments are most likely responsible for the high selectivity of this monoprotection.
创建时间：
2004-08-05
