Table 3.

Catalytic Enantioselective RCM of Triene 2 Promoted by Stereogenic-at-Mo Complexes^a

entry	chiral complex; mol %	conv (%);b yield (%)c	erd	ee (%)d
1	36a; 1	<10; nd	nd	nd
2	36b; 1	24; nd	nd	nd
3	36b; 5	>98; 60	83.5:16.5	67
4	37a; 1	<5; nd	–	–
5	37b; 1	>98; 83	97.5:2.5	95
6	38; 1	19; nd	nd	nd

^aReactions were performed under N₂ atmosphere; see the Supporting Information for experimental details. nd = not determined.

^bConversions (based on the amounts of unreacted substrate and product formed) were determined through analysis of 400 MHz ¹H NMR spectra of the unpurified mixtures.

^cYield of 1 after purification.

^dEnantiomer ratios (er) and enantioselectivities (ee) were determined by HPLC analysis; see the Supporting Information for details.