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Esterifications with 2-(Trimethylsilyl)ethyl 2,2,2-Trichloroacetimidate. ORGANICS 2021. [DOI: 10.3390/org2010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
2-(Trimethylsilyl)ethyl 2,2,2-trichloroacetimidate is readily synthesized from 2-trimethylsilylethanol in high yield. This imidate is an effective reagent for the formation of 2-trimethylsilylethyl esters without the need for an exogenous promoter or catalyst, as the carboxylic acid substrate is acidic enough to promote ester formation without an additive. A deuterium labeling study indicated that a β-silyl carbocation intermediate is involved in the transformation.
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Affiliation(s)
- Michio Yamada
- Department of Chemistry, Tokyo Gakugei University , Koganei, Tokyo 184-8501, Japan
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Thilgen C, Diederich F. Structural Aspects of Fullerene ChemistryA Journey through Fullerene Chirality. Chem Rev 2006; 106:5049-135. [PMID: 17165683 DOI: 10.1021/cr0505371] [Citation(s) in RCA: 379] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Carlo Thilgen
- Laboratory of Organic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zurich, CH-8093 Zurich, Switzerland.
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