Table 4 1H (hydride region) and 31P NMR data of complexes 3, 8 and 9 in benzene-d6..

From: Mild and selective hydrogenation of aromatic and aliphatic (di)nitriles with a well-defined iron pincer complex

δ (1H) (p.p.m.)

mult

JHP (Hz

JHH (Hz)

δ (31>P) (p.p.m.)

3

 −2.73

b

—

—

99.43

 −19.52

t

50.4

—

 

9

 −25.21

t

52.7

 

116.82

Trans-8

 −9.25

td

39.8

9.6

116.20

 −9.45

td

42.2

9.2

 

Cis-8

 −8.63*

td

57.0

15.4

112.51

 −20.87*

td

50.8

15.4

 
  1. *Data recorded in toluene-d8 at 267 K.
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