Tetrahedron p. 4457 - 4462 (1990)
Update date:2022-08-11
Topics:
Brown, Herbert C.
Randad, Ramnarayan S.
The asymmetric crotylboration of representative aldehydes, RCHO (R = Me, Et-), with B-(Z and E)-crotylbis(2-isocaranyl)boranes (4 and 5) proceeds with remarkably high enantioselectivity (>94-98 percent ee) and diastereoselectivity (>99 percent de) at -78 deg C in ethyl ether.
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