Aldol Addition of a Lithium Ketone Enolate with Persubstituted Double Bond – a Reversal of the Usual Stereochemical Course
DOI:
https://doi.org/10.2533/chimia.1986.97Abstract
The lithium (Z)-3,4,4-trimethyl-1-phenyl-2-penten-2-olate generated in situ from tert-butyl(methyl)ketene and benzyllithium adds to benzaldehyde with relative topicity lk, as shown by X-ray crystal structure analysis of the aldol adduct. Possible reasons for this unusual steric course are discussed.
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1986-03-31
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Copyright (c) 1986 W. Bernd Schweizer

This work is licensed under a Creative Commons Attribution 4.0 International License.
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[1]
R. Häner, W. B. Schweizer, P. Seiler, D. Seebach, Chimia 1986, 40, 97, DOI: 10.2533/chimia.1986.97.