超临界二氧化碳（scCO₂）-聚乙二醇衍生物（PEGs）体系中的路易斯酸催化：PEGs作为添加剂对scCO₂中Ln(OTf)₃催化的曼尼希反应和羟醛缩合反应活性的显著影响。

Lewis acid catalysis in a supercritical carbon dioxide (scCO2)-poly(ethylene glycol) derivatives (PEGs) system: remarkable effect of PEGS as additives on reactivity of Ln(OTf)3-catalyzed Mannich and aldol reactions in scCO2.

作者信息

Komoto I, Kobayashi S

机构信息

Graduate School of Pharmaceutical Sciences, University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.

出版信息

Chem Commun (Camb). 2001 Sep 21(18):1842-3. doi: 10.1039/b106437c.

DOI:10.1039/b106437c

PMID:12240342

Abstract

Use of poly(ethylene glycol) derivatives (PEGs) as additives in supercritical carbon dioxide (scCO2) was found to be effective for Mannich and aldol reactions of silyl enolates with aldehydes and imines, and formation of emulsions was observed in these systems.

摘要

聚乙二醇衍生物（PEGs）作为添加剂用于超临界二氧化碳（scCO2）中，被发现对硅基烯醇醚与醛和亚胺的曼尼希反应及羟醛反应有效，并且在这些体系中观察到了乳液的形成。