SI No

Compound

¹³C Chemical shift, in ppm

CH₃

CH₂

CH

C

CO

C₅H₅

1.

CpTiCl[S₂P(OEt)₂]₂

15.9 s

63.03

128.

2.

CpTiCl[S₂P(OPr-i)₂]₂

23.0s

72.4 s

117.3

118.0 d

3.

CpTiCl[S₂POCH₂CMe₂CH₂O]₂

19.9

32.9 s

77.0

77.1d

117.4 s