Table 1.

KOtBu‐catalyzed dehydrogenative homocoupling of secondary phosphanes to the corresponding diphosphanes with N₂Ph₂ as a hydrogen acceptor.

Entry	R1	R2	R3	R4	R5	Yield [%]
1	H	H	H	H	H	75
2	H	H	OMe	H	H	40
3	H	H	F	H	H	78
4	H	H	Cl	H	H	87
5	OMe	H	H	H	H	47
6	Me	H	H	H	H	44
7	H	Me	H	Me	H	72
8	Me	H	Me	H	Me	59