. Author manuscript; available in PMC: 2010 Jun 21.

Published in final edited form as: Synlett. 2009 May;8(2009):1189–1207. doi: 10.1055/s-0029-1216654

Table 2.

Intramolecular Stetter reaction with different types of tether linkers. graphic file with name nihms-199310-t0013.jpg

Entry	Catalyst	Yield %	ee%
1	34	94	94
2	34	63	96
3	34	64	82
4	34	72	84
5	34	35	94^(a)
6	40	90	92^b
7	34	90	<5
8	34	0	NA

^(a)

S-enantiomer.

R-enantiomer.