. Author manuscript; available in PMC: 2010 Apr 18.

Published in final edited form as: Tetrahedron. 2009 Apr 18;65(16):3211–3221. doi: 10.1016/j.tet.2008.10.107

Table 3.

Substrate scope of Pd-catalyzed enyne cyclization reactions^a.

Entry	Substrate	Product	Yield^b
1			79%
2			55%
3			78%
4			66%
5			70%
6			55%
7			48%
8			41%
9			44%
10			71%
11			47%

Reaction Conditions: 5 mol % Pd(OAc)₂, 0-6 mol % bipy, 1.1-4 equiv PhI(OAc)₂, 60-80 °C, 1-16 h.

Isolated yields (average of two runs).