Table 1.

Catalytic Dehydrogenative Diamination^[a]

Entry	Substrate (1)	Product (5)	Yield (%)[e]
1			68
2			47
3			74
4			77
5[b]			45
6			62
7			61
8			61
9[c]			42
10[d]			40
11[c]	(Z, E mixture, 6:1)		66[f]

^[a]All reactions were carried out with olefin (1.0 mmol), Pd₂(dba)₃ (0.050 mmol), tri-2-furylphosphine (0.30 mmol), and N,N-di-t-butylthiadiaziridine 1,1-dioxide (4) (2.0 mmol) in benzene (0.25 mL) at 75 °C under argon for 10 h unless otherwise stated.

^[b]The reaction was carried out at 75 °C for 22 h.

^[c]The reaction was carried out at 65 °C for 6 h.

^[d]The reaction was carried out at 50 °C for 20 h.

^[e]Isolated yield.

^[f]7% yield of (1Z, 3E) isomer was also isolated.