Pyridinium Dichromate (PDC) and Pyridinium Chlorochromate (PCC) were explored as efficient catalysts for sulfonation of aromatic and heteroaromatic compounds using NaHSO3 in aqueous acetonitrile medium at room temperature within 1–4 h, while microwave assisted reactions took place within 1–4 min under solvent-free conditions. These observations indicate significant rate accelerations in microwave assisted
摘要 Cornforth 和 Corey-Suggs 试剂
重铬酸吡啶 (
PDC) 和
氯铬酸吡啶 (
PCC) 作为有效催化剂,在室温下在
乙腈水溶液中使用 NaHSO3 磺化芳族和杂芳族化合物 1-4 小时,而微波辅助反应需要在无溶剂条件下放置 1-4 分钟。这些观察表明微波辅助反应中的显着速率加速。这被解释为当微波通过反应介质时由原位产生的高温和高压引起的分子的大量活化。图形概要