Table 7. Hydrovinylation of Styrene Using Diarylphosphinite Ligands^a.

entry	ligand	Ar	conv./y.b	sel.c	%eed
1.		B	99/86	86	>5
2.		-	--/87	99	6
3.		B	68/68	99	29 (R)
4.		A	62/62	99	32 (S)
5.	71	B	35/35	99	28 (S)
6.		B	0	--	--
7.		A	97/93	96	9 (S)
8.	73	B	93/93	99	45 (S)
9.
10.	74	B	42/42	99	62 (S)
11.		Z = CF3CO	99/40	40e	87 (S)
12.		Z = PhCO	99/23	23e	82 (S)

^aSee eq 33. A Ar = 3,5-Me₂-C₆H₃; B Ar = 3,5-(CF₃)₂-C₆H₃.

^bisolated yield.

^c% of 3-phenyl-1-butene.

^dby HPLC.

^econv. >99%