Table 4. RCM on peptides bearing i, i + 4 and i, i + 7 olefin crosslinks.

Catalyst	Conversion a (%)						Selectivity a (E : Z)
	26	27	28	29	30	31	26	27	28	29	30	31
	m, n = 1	m, n = 1	m, n = 1	m, n = 4	m, n = 4	m, n = 4	m, n = 1	m, n = 1	m, n = 1	m, n = 4	m, n = 4	m, n = 4
1	94	90	93	88	96	92	66 : 23	64 : 36	70 : 30	58 : 42	62 : 38	65 : 35
2	97	90	85	94	95	90	80 : 20	75 : 25	83 : 17	80 : 20	75 : 25	79 : 21
3	84	81	88	80	84	85	80 : 20	75 : 25	74 : 26	78 : 22	78 : 22	80 : 20
4	88	80	92	85	88	85	72 : 28	74 : 26	72 : 28	71 : 29	81 : 19	81 : 19
5	76	70	70	60	84	80	66 : 33	70 : 30	74 : 26	n.d.	71 : 29	74 : 26
6	83	75	80	70	80	75	20 : 80	22 : 78	18 : 82	20 : 80	21 : 79	17 : 83
7	81	75	70	55	75	70	17 : 83	19 : 81	23 : 77	n.d.	18 : 82	20 : 80

^aDetermined by analytical HPLC-MS.