. Author manuscript; available in PMC: 2011 Feb 17.

Published in final edited form as: J Am Chem Soc. 2010 Feb 17;132(6):1740–1741. doi: 10.1021/ja908257x

Table 1.

Catalyzed hydroborations of (E)- and (Z)-1 as a function of ligand 3a–d.^a

Entry	Ligand	(E)-1 ee	yield	(Z)-1 ee	yield
1	(BINOL)PN(Me)Ph	90	55	89	50
2	3a	89	65	90	81
3	3b	91	72	87	76
4	3c	98	79	96	80
5	3d	91	76	95	80
6^b	3a	87	66
7^c	3a	5	35

Unless otherwise specified, the reaction was run as follows: 1.0% Rh(nbd)₂BF₄, 2.1% of the indicated ligand, 2.0 PinBH, 40 °C, 12–24 h.

Uses 1.0% Rh(cod)₂BF₄.

Uses 0.5% [Rh(cod)Cl]₂.