Tetrahedron Letters p. 5945 - 5948 (1989)
Update date:2022-08-05
Topics:
Albert, Joan
Davies, Stephen G.
Whereas carbanions of formamidines derived from N-methyl benzylamine and L-valinol or L-leucinol undergo electrophilic benzylic methylation with poor stereoselectivities (d.e. 17-26percent), enhanced stereoselectivities (d.e. 74-84percent) are observed for the corresponding chromium tricarbonyl complexes.
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