. Author manuscript; available in PMC: 2011 Mar 26.

Published in final edited form as: Tetrahedron. 2010 Mar 26;66(26):4668–4686. doi: 10.1016/j.tet.2010.04.128

Table 5.

Catalyst comparison in RCM of α,ω-diene (+)-13.

graphic file with name nihms-203918-t0035.jpg

entry	t (h)	conversion^a (%)
1	1	43
	5	78
	24	85
2^b	1	29
	5	83
	24	91
3	1	63
3	5	>99

Determined by ¹H NMR spectroscopic analysis using 1,4-bis(trimethylsilyl)benzene as an internal standard.

Conversion values are approximate due to overlapping of significant amounts of unknown impurities with (+)-13 in the ¹H NMR spectrum.