1a |
IR,
\tilde \nu
/cm−1: 2921, 2843, 1723, 1669, 1469, 1373, 1343, 1332, 1179, 1002, 929, 823, 7241H NMR (300 MHz, CDCl3) δ: 0.88 (t, 3H, J = 7.04 Hz), 0.95 (s, 3H), 0.99 (s, 3H), 1.20 (s, 3H), 1.26 (s, 13H), 1.37 (s, 4H), 1.77 (s, 2H, broad), 1.88–2.11 (m, 4H), 2.17–2.29 (m, 1H), 2.74 (d, 1H, J = 7.04 Hz), 3.51 (s, 6H), 3.60–3.70 (m, 4H), 4.11 (t, 2H, J = 8.21 Hz) 13C NMR (75 MHz, CDCl3) δ: 13.9; 14.1; 19.5; 21.9; 22.7; 22.8; 25.1; 26.2; 29.2; 29.3; 29.4; 29.5; 29.6 (2C); 31.9; 32.9; 34.0; 44.7; 51.7 (2C); 54.6; 56.2; 60.0; 64.1; 176.0; 178.2 |
1b |
IR,
\tilde \nu
/cm−1: 2919, 2849, 1723, 1668, 1469, 1373, 1344, 1331, 1179, 989, 927, 822, 7231H NMR (300 MHz, CDCl3) δ: 0.89 (t, 3H, J = 6.45 Hz), 0.96 (s, 3H), 0.99 (s, 3H), 1.21 (s, 3H), 1.27 (s, 15H), 1.38 (s, 4H), 1.74–2.12 (m, 8H), 2.19–2.33 (m, 1H), 2.76 (d, 1H, J = 6.45 Hz), 3.52 (s, 6H), 3.59–3.70 (m, 4H), 4.11 (t, 2H, J = 7.62 Hz)13C NMR (75 MHz, CDCl3) δ: 13.9; 14.2; 19.5; 21.9; 22.7; 22.8; 25.1; 26.2; 29.3; 29.4 (2C); 29.5; 29.7 (4C); 31.9; 32.9; 34.0; 44.7; 51.8 (2C); 54.6; 56.2; 60.0; 64.1; 176.0; 178.3 |
1c |
IR,
\tilde \nu
/cm−1: 2918, 2849, 1723, 1669, 1469, 1373, 1344, 1331, 1179, 990, 925, 820, 7221H NMR (300 MHz, CDCl3) δ: 0.88 (t, 3H, J = 6.45 Hz), 0.95 (s, 3H), 0.99 (s, 3H), 1.20 (s, 3H), 1.25 (s, 21H), 1.37 (s, 4H), 1.77 (s, 2H, broad), 1.85–2.11 (m, 4H), 2.17–2.30 (m, 1H), 2.75 (d, 1H, J = 6.45 Hz), 3.51 (s, 6H), 3.56–3.70 (m, 4H), 4.11 (t, 2H, J = 7.62 Hz)13C NMR (75 MHz, CDCl3) δ: 13.9; 14.1; 19.5; 21.9; 22.7; 22.8; 25.1; 26.2; 29.3; 29.4 (2C); 29.5; 29.7 (6C); 31.9; 32.9; 34.0; 44.6; 51.7 (2C); 54.5; 56.2; 60.0; 64.1; 176.0; 178.2 |
1d |
IR,
\tilde \nu
/cm−1: 2918, 2848, 1723, 1668, 1469, 1373, 1344, 1331, 1179, 1001, 927, 820, 7211H NMR (300 MHz, CDCl3) δ: 0.88 (t, 3H, J = 6.45 Hz), 0.95 (s, 3H), 0.99 (s, 3H), 1.20 (s, 3H), 1.25 (s, 27H), 1.37 (s, 2H), 1.77 (s, 2H, broad), 1.85–2.11 (m, 4H), 2.17–2.30 (m, 1H), 2.74 (d, 1H, J = 6.45 Hz), 3.51 (s, 6H), 3.59–3.70 (m, 4H), 4.11 (t, 2H, J = 7.04 Hz)13C NMR (75 MHz, CDCl3) δ: 13.9; 14.1; 19.5; 21.9; 22.7; 22.8; 25.1; 26.2; 29.2; 29.4 (2C); 29.5; 29.7 (8C); 31.9; 32.9; 34.0; 44.6; 51.7 (2C); 54.5; 56.2; 60.0; 64.1; 176.0; 178.2 |