No.

Compound

1H chemical shift in

δ ppm CDCl3

31P chemical

shift in δ ppm

(parent Acid)

1

CpTiCl[S2P(OEt)2]2

1.19 t (J = 6.5 Hz), 12H(CH3)

4.06, q (J = 6.0 Hz), 8H(OCH2)

6.46, s, 10H(C5H5)

92.9

(85.7)

2

CpTiCl[S2P (OPr-n)2]2

0.76, t (J = 7.5 Hz), 12H(CH3)

1.36, m (J = 6.5 Hz), 8H(CH2)

3.38 - 3. 58, t (J = 7.5 Hz, 8H(OCH2)

6.19, s, 10H(C5H5)

102.7

(86.1)

3

CpTiCl[S2P (OPr-i)2]2

1.25, d (J = 6.6 Hz), 24H(CH3)

4.43 ? 4.47, m J (PH) = 12 Hz, 4H(OCH)

6.32, s, 10H(C5H5)

93.4

(82.3)

4

CpTiCl[S2P (OBu-i)2]2

0.77, d (J = 7 Hz), 24H(CH3)

1.72, m (J = 6.5 Hz) 4H(CH)

3.40, d (J = 7 Hz), 8H(OCH2)

6.30, s, 10H(C5H5)

98.9

(85.7)

5

CpTiCl[S2P(OPh)2]2

721 - 7.34, m, 20H(OC6H5)

6.72, s, 10H(C5H5)

89.6

(79.9)

6

CpTiCl[S2POCH2CMe2CH2O]2

0.84, s, 12H(CH3)

3.70, d, 8H(OCH2), J(PH) = 15.6 Hz

6.35, s, 10H(C5H5)

123.35

(77.3)

7

CpTiCl[S2POCH2CEt2CH2O]2

0.63, t (J = 7.5 Hz),12H(CH3)

1.11, q (J = 7.5 Hz), 8H(CH2)

4.04, d, 8H(OCH2), J(PH) = 16 Hz

6.25, s, 10H(C5H5)

101.41

(78.50)

8

CpTiCl[S2POCMe2CMe2O]2

1.06, s, 24H(CH3)

6.54 s, 10H(C5H5)

103.7

(93.1)