Research Article

Polyethylene Glycol Mediated Kinetic Study of Nitro Decarboxylation of α,β-Unsaturated Acids by Blau’s Fe(III) Phen Complex

Table 2

NMR and mass spectral data for selected reaction products.

EntrySubstrates ProductSpectral data             
1H NMR

1CA -Nitro styrene149δ 6.4 (d 1H, -CH); δ 7.3–7.65 (m 5H, Ar-H)
δ7.8(d 1H, -CH)

24-ClCA4-Chloro -nitro styrene184δ 6.6 (d 1H, -CH);δ 7.2 (d 2H, Ar-H)
δ 7.6 (d 2H, Ar-H); δ 8.3 (d 1H, -CH)

34-OmeCA4-Methoxy -nitro styrene179δ 3.8 (s 3H, OCH3); δ 6.4 (d 1H, -CH)
δ 7.32–7.7 (m 4H, Ar-H)
δ 7.9 (d 1H, -CH)

44-MeCA4-Methyl -nitro styrene163δ 3.0 (s 3H, CH3); δ 6.6 (d 1H, -CH)
δ 7.4–7.7 (m 4H, Ar-H);δ 7.9 (d 1H, -CH)

54-NO2CA4-Nitro -nitro styrene194δ 6.6 (d 1H, -CH); δ 7.4 (d 2H, Ar-H)
δ 7.8 (d 2H, Ar-H); δ8.2 (s 1H, -CH)

64-OHCA4-Hydroxy -nitro styrene165δ 6.5 (d 1H, -CH); δ 7.3 (d 2H, Ar-H)
δ 7.8 (d 2H, Ar-H); δ 8.1 (d 1H, -CH)
δ 10.5 (s 1H, Ar-OH)

7AA1-Nitro ethene73δ 5.92 (d 1H, β-CH);
δ 6.6 (d 1H, trans -CH);
δ 7.25 (q 1H, -CH)

8CRA1-Nitro propene87δ 2.12 (d 3H, CH3); δ 7.0 (d 1H, -CH)
δ 7.15 (m 1H, -CH)

93-PhCRA3-Phenyl 1-nitro propene 163δ 3.3 (d 2H, CH2); δ 7.23–7.33 (m 5H, Ar-H)
δ 8.2 (d 1H, -C-H)

102-ClCA2-Chloro -nitro styrene183δ 6.6 (d 1H, -CH); δ 7.3–7.7 (m 4H, Ar-H)
δ 8.2 (d 1H, -C-H)

112-MeCA2-Methyl -nitro styrene163δ 2.9 (s 3H, CH3); δ 6.7 (d 1H, -CH)
δ 7.1–7.8 (m 4H, Ar-H); δ 8.2 (d 1H, -CH)