Table 1.

Anodic coupling of amines and dithioketene acetals.

Entry	Subst.	n	R1,R2,R3	Ep/2[a] [V]	Yield[b] [%]
1	4a	1	R1 = Me R2 = R3 = H	0.60	84
2	4b	1	R1 = R2 = Me R3 = H	0.62	81 (>20:1)
3	4c	1	R1 = R3 = Me R2 = H	0.58	92[c] (3:2)
4	4d	1	R1 = CH=CHMe R2 = Me, R3 = H	--	90 (10:1)
5	4e	2	R1 = Me R2 = R3 = H	0.65	72
6	4f	2	R1 = R2 = Me R3 = H	0.68	83[d] (10:1)
7	4g	2	R1 = R3 = Me R2 = H	0.67	64[e] (2:1)
8	4h	3	R1 = Me R2 = R3 = H	0.70	--

^[a]Measured vs. Ag/AgCl on a carbon anode in acetonitrile.

^[b]Ratio in parenthesis is diastereomeric ratio.

^[c]A 40% yield (measured by ¹H NMR using an internal standard) of product was obtained when 6 eq. of 2,6-lutidine was used as the base instead of LiOMe.

^[d]2.3 F/mol.

^[e]2.4 F/mol.