SCHEDULED MAINTENANCE
Trimethylsilylacetic acid readily forms the dianion (2) providing highly efficient routes to α-trimethylsilylcarboxylic acids, α,β-unsaturated acids, and α-trimethylsilyl-γ-butyrolactones; the latter can then be converted into α-ylidene-γ-butyrolactones, α-bromo-γ-butyrolactones and γ-butyrolactones.
P. A. Grieco, C. J. Wang and S. D. Burke, J. Chem. Soc., Chem. Commun., 1975, 537 DOI: 10.1039/C39750000537
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