Anomalous threo-diastereoselectivity in allylic silane- or stannane–aldehyde condensation reactions: new interpretation of the antiperiplanar vs. synclinal problem on the transition-state conformations
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 17,p. 1161-1163
- https://doi.org/10.1039/c39900001161
Abstract
Unusual threo-diastereoselectivity has been observed in the intermolecular reactions of β-substituted crotyl-silane or-stannane with 2-benzyloxypropanal under chelation conditions, which implies preference for the synclinal over the antiperiplanar transition state.Keywords
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