Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 131, Issue 23, Pages 7944-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja9012003
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Funding
- JSPS [19760541]
- Global COE Program for Chemistry Innovation
- Grants-in-Aid for Scientific Research [19760541] Funding Source: KAKEN
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Acidic montmorillonite-immobilized primary amines (H-mont-NH2) were found to be excellent acid-base bifunctional catalysts for one-pot reaction sequences, which are the first materials with coexisting acid. and base sites active for acid-base tamdem reactions.: For example, tandem deacetalization-Knoevenagel condensation proceeded successfully with the H-mont-NH2, affording the, corresponding condensation product in a. quantitative yield. The acidity of the H-mont-NH2 was strongly influenced by the preparation solvent, and the base-catalyzed reaction's were enhanced by interlayer acid sites.
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