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3.68–3.74 (m, 1H), 3.86–3.91 (m, 1H), 4.04–4.19 (m, 4H), 4.60 (d,
J = 24.3 Hz, 1H), 6.54–6.56 (m, 2H), 7.16–7.28 (m, 2H), 7.44–7.49 (m,
2H); 13C NMR (75 MHz, CDCl3, TMS): δ 13.94, 16.03 (d, J = 5.7 Hz),
16.22 (d, J = 6.0 Hz), 44.2 (d, J = 140.8 Hz), 61.16, 62.32 (d, J = 7.1
Hz), 62.80 (d, J = 6.9 Hz), 127.28 (d, J = 2.6 Hz), 128.33 (d, J = 1.73
Hz), 128.43, 128.52, 129.50, 129.59, 134.81 (d, J = 6.1 Hz), 136.21 (d, J
= 1.7 Hz), 165.99 (d, J = 14.0 Hz); 31P NMR (121 MHz, CDCl3, H3PO4):
δ 24.62. Anal. calcd for C16H22NO7P: C, 51.75; H, 5.97; P, 8.34; found:
C, 51.73; H, 5.99; P, 8.30.
Ethyl 2-((Diethoxyphosphoryl)(phenyl)methyl)acrylate (4i)
Colorless oil, IR (KBr): 3063, 2983, 2933, 1716, 1651, 1622, 1493,
1454,1392, 1296, 1242, 1132, 1055, 1026, 964 cm−1; 1H NMR (300 MHz,
CDCl3): δ 1.07 (t, J = 7.1 Hz, 3H), 1.22–1.31 (m, 6H), 3.68–3.74 (m, 1H),
3.86–3.91 (m, 1H), 4.04–4.20 (m, 4H), 4.59 (d, J = 24.0 Hz, 1H), 6.53–
6.55 (m, 2H), 7.25–7.34 (m, 3H), 7.44–7.47 (m, 2H); 13C NMR (75 MHz,
CDCl3, TMS): δ 13.97, 16.06 (d, J = 5.8 Hz), 16.25 (d, J = 5.7 Hz), 43.94
(d, J = 140.8 Hz), 61.18, 62.36 (d, J = 7.4 Hz), 62.83 (d, J = 6.9 Hz),
127.30 (d, J = 2.9 Hz), 128.36 (d, J = 1.65 Hz), 128.45, 128.53, 129.54,
129.64, 134.89 (d, J = 6.3 Hz), 136.29 (d, J = 2.3 Hz), 166.04 (d, J =
14.3 Hz); 31P NMR (121 MHz, CDCl3, H3PO4): δ 24.60. Anal. calcd for
C16H23O5P: C, 58.89; H, 7.10; P, 9.49; found: C, 58.90; H, 7.13; P, 9.46.
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