Table 3.

Reaction optimization for the formation of six-membered ring-fused homopropargylic alcohols^a

Entry	Ligand	Conversion	Yield (%)c	ee (%)d
1b	(S)-L3	<10	0	-
2	(S)-L3	95	70	98
3	(R)-L2	95	65	−76
4	(R)-L3	95	70	−99

^aAll reactions were run in sealed vials. DCE = 1,2-dichloroethane.

^bReaction was run under air condition, and 10 mol% NaBAr^F₄ was used.

^cIsolated yields.

^dDetermined by HPLC using corresponding benzyl ester.