Synthesis and Thermal Properties for 4-(4-Alkoxyphenoxycarbonyl)phenyl 3-Alkoxy-2-X-benzoates

REFERENCES

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• Spectra data for 1: IR (KBr disc); ν = 1726.0 cm−1, 1H NMR (CDCl3); δ = 0.91 (6H, t, J = 7.0 Hz), 1.32–1.52 (12H, m), 1.79 (2H, quin., J = 6.5 Hz), 1.85 (2H, qui., J = 6.5 Hz), 3.96 (2H, t, J = 6.5 Hz), 4.07 (2H, t, J = 6.5 Hz), 6.92 (2H, d, J = 9.0 Hz), 7.12 (2H, d, J = 9.0 Hz), 7.18–7.20 (2H, m), 7.38 (2H, d, J = 8.5 Hz), 7.62 (1H, m), and 8.27 (2H, d, J = 8.5 Hz) ppm.Spectra data for 2: IR (KBr disc) ν = 1735.6 and 1741.4 cm−1, 1H NMR (CDCl3); δ = 0.91 (6H, t, J = 7.0 Hz), 1.32–1.52 (12H, m), 1.79 (2H, quin., J = 6.5 Hz), 1.85 (2H, qui., J = 6.5 Hz), 3.96 (2H, t, J = 6.5 Hz), 4.07 (2H, t, J = 6.5 Hz), 6.92 (2H, d, J = 9.0 Hz), 7.12 (2H, d, J = 9.0 Hz), 7.18–7.20 (2H, m), 7.38 (2H, d, J = 8.5 Hz), 7.62 (1H, m), and 8.27 (2H, d, J = 8.5 Hz) ppm.Spectra data for 3a: IR (KBr disc) ν = 1739.5 cm−1, 1H NMR (CDCl3); δ = 0.91 (3H, t, J = 6.0 Hz), 0.92 (3H, t, J = 6.0 Hz), 1.32–1.59 (12H, m), 1.79 (2H, qui., J = 6.5 Hz), 1.86 (2H, qui., J = 6.5 Hz), 3.96 (2H, t, J = 6.5 Hz), 4.08 (2H, t, J = 6.5 Hz), 6.93 (2H, d, J = 8.0 Hz), 7.07 (1H, dd, J = 8.0, 1.5 Hz), 7.12 (2H, d, J = 8.0 Hz), 7.37 (1H, t, J = 8.0 Hz), 7.42 (2H, d, J = 8.0 Hz), 7.48 (1H, dd, J = 8.0, 1.5 Hz), and 8.27 (2H, d, J = 8.0 Hz) ppm.Spectra data for 4a: IR (KBr disc) ν = 1689.3 and 2227 cm−1, 1H NMR (CDCl3); δ = 0.90 (3H, t, J = 6.5 Hz), 1.31–1.57 (6H, m), 1.43 (3H, t, J = 7.0 Hz), 1.86 (2H, qui., J = 6.5 Hz), 4.12 (2H, t, J = 6.5 Hz), 4.44 (2H, q, J = 7.0 Hz), 7.19 (1H, dd, J = 8.0, 1.5 Hz), and 7.54–7.65 (2H, m) ppm.Spectra data for 5: IR (KBr disc); ν = 1731.8 and 1756.8 cm−1, 1H NMR (CDCl3); δ = 0.88 (3H, t, J = 7.0Hz), 0.92 (3H, t, J = 7.0 Hz), 1.24–1.54 (12H, m), 1.79 (2H, qui., J = 7.0 Hz), 1.85 (2H, qui., J = 7.0 Hz), 3.96 (2H, J = 6.5 Hz), 4.10 (2H, J = 7.0 Hz), 6.94 (2H, d, J = 8.0 Hz), 7.12 (2H, d, J = 8.0Hz), 7.32 (1H, t, J = 8.0 Hz), 7.37 (2H, d, J = 9.0 Hz), 7.87 (1H, d, J = 8.0 Hz), 8.23 (1H, d, J = 8.0 Hz), and 8.30 (2H, d, J = 9.0 Hz) ppm . [CSA]
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