Journal of Organic Chemistry p. 1779 - 1781 (1989)
Update date:2022-08-16
Topics:
Stang, Peter J.
Learned, Alan E.
Interaction of alkenylidenecarbenes, RCH=C=C:, R = CH3 and t-Bu, with chiral α-NpPhMeSi*H results in chiral allenes with a 3.5 +/- 0.5percent and 10.5 +/- 0.5percent diastereomeric excess, respectively.Hence the transfer of central chirality to axial chirality, via silicon as a chiral auxiliary, has been established.These results are discussed, and a transmission state is proposed.
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