Table 2 Shifting equilibrium with excess of polyacrylonitrile donor (Entry 2) or using highly energetic HCN acceptors (Entry 3 & 4)

From: Chemical valorization of waste polyacrylonitrile polymers via shuttle catalysis

Entry

HCN acceptor

HCN donor

Ratio

Temperature (°C)

Time (h)

Yield of nitrile products

1

Styrene

SAN43

1:1

120

6

60%

2

Styrene

SAN43

1:5

120

18

95%

3

NBE

SAN43

1:1

120

6

91%

4

C2H4

SAN43

/

130

18

96%

  1. Pd(OAc)2/Xantphos/AlMe2Cl = 5/5/20 mol%.