1
368
V. H. Jadhav et al.
1
Spectroscopic data of 2e: H NMR (300 MHz, CDCl ) d 0.14 (s, 9H), 2.53
3
1
3
(
d 20.6 (s), 21.6, 57.8, 117.9.
t, J ¼ 6.3 Hz, 2H), 3.78 (t, J ¼ 6.3 Hz, 2H); C NMR (75 MHz, CDCl3)
1
Spectroscopic data of 2l: H NMR (300 MHz, CDCl ) d 0.10 (s, 9H), 0.79
3
13
(s, 3H), 0.96 (s, 3H), 1.01 (s, 3H), 0.90–1.80 (m, 7H) 3.22 (s, 1H); C NMR
(75 MHz, CDCl ) d0.6 (s), 19.9, 21.1, 25.5, 26.3, 30.5, 39.3, 40.9, 48.4, 49.4, 85.3.
3
1
Spectroscopic data of 2m: H NMR (300 MHz, CDCl ) d 0.01 (s, 9H), 1.20
3
(
s, 3H), 1.27 (s, 3H), 1.33 (s, 3H), 1.40 (s, 3H), 3.47 (d, J ¼ 10.5 Hz, 1H), 3.57
(
dd, J ¼ 6.6, 12.9 Hz, 2H), 3.77 (dd, J ¼ 2.1, 12.9 Hz, 1H), 4.08 (bd,
J ¼ 7.8 Hz, 1H), 4.24 (d, J ¼ 2.4 Hz, 1H), 4.45 (dd, J ¼ 2.7, 8.1 Hz, 1H);
1
3
C NMR (75 MHz, CDCl ) d 0.1 (s), 23.8, 24.4, 24.8, 26.1, 61.2, 64.5,
3
69.8, 71.1, 71.3, 103, 108.5, 109.0.
1
Spectroscopic data of 2n: H NMR (300 MHz, CDCl ) d 0.10 (s, 9H), 1.32
3
(
s, 3H), 1.36 (s, 3H), 1.41 (s, 3H), 1.46 (s, 3H), 3.96 (dd, J ¼ 6.0, 8.4 Hz,
1
H), 4.06 (dd, J ¼ 8.1 Hz, 1H), 4.07 (dd, J ¼ 2.7, 8.1 Hz, 1H), 4.22 (dd,
J ¼ 1.5, 6.0 Hz, 1H), 4.23 (d, J ¼ 2.7 Hz, 1H), 4.35 (d, J ¼ 3.6 Hz, 1H),
1
3
5
2
.89 (d, J ¼ 3.6 Hz, 1H); C NMR (75 MHz, CDCl ) d 2 0.0 (s), 25.4,
3
6.3, 26.8, 26.9, 67.4, 72.3, 75.2, 81.8, 85.5, 105.2, 108.7, 111.7.
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Spectroscopic data of 2o: H NMR (300 MHz, CDCl ) d 0.09 (s, 9H), 0.11
3
(
s, 9H), 1.29 (s, 3H), 1.48 (s, 3H), 3.53 (dd, J ¼ 6.9, 10.5 Hz, 1H), 3.83
dd, J ¼ 1.8, 10.5 Hz, 1H), 4.03 (d, J ¼ 2.7 Hz, 1H), 4.08 (m, 2H), 4.54
d, J ¼ 3.9 Hz, 1H), 4.57 (d, J ¼ 11.7 Hz, 1H), 4.65 (d, J ¼ 11.7 Hz, 1H),
(
(
1
3
5
2
1
.86 (d, J ¼ 3.9 Hz, 1H); C NMR (75 MHz, CDCl ) d 2 0.4 (s), 0.9 (s),
3
6.3, 26.8, 65.5, 70.8, 72.0, 80.4, 81.4, 82.0, 105.2, 111.6, 127.1, 127.2,
27.6, 128.3, 137.6.
1
Spectroscopic data of 2p: H NMR (300 MHz, CDCl ) d 0.1 (s, 9H),
3
1
.32 (s, 3H), 1.49 (s, 3H), 3.85 (d, J ¼ 3 Hz, 1H), 4.15 (t, J ¼ 6 Hz, 1H),
.56 (d, J ¼ 12.4 Hz, 1H), 4.63 (m, J ¼ 3, 5.4, 12 Hz, 4H), 5.94
4
1
3
(
m, J ¼ 3.6 Hz, 3H); C NMR (75 MHz, CDCl ) d 0.02 (s), 26.2, 26.7,
3
6
1
2.7, 72.1, 80.5, 82.7, 83.2, 104.6, 111.4, 124.6, 127.5 (s), 127.7, 128.3 (s),
34.1, 137.2.
1
Spectroscopic data of 2q: HNMR (300 MHz, CDCl ) d 0.10 (s, 9H), 0.22
3
(
s, 9H), 1.25 (t, J ¼ 7.1 Hz, 3H), 2.38 (dd, J ¼ 10.9, 6.3 Hz, 1H), 2.47
d, J ¼ 5.7 Hz, 2H), 2.73 (dd, J ¼ 11.8, 5.7 Hz, 1H), 2.80 (dd, J ¼ 10.9,
(
1
.9 Hz, 1H), 3.14 (d, J ¼ 13.1 Hz, 1H), 3.61–3.65 (m, 1H), 3.89
(
d, J ¼ 13.1 Hz, 1H), 3.98 (dd, J ¼ 7.1, 4.6 Hz, 1H), 3.99 (q, J ¼ 7.1 Hz,
1
3
2
H), 4.27 (ABq, J ¼ 11.8 Hz, 2H), 7.05–7.23 (m, 10H); C NMR (75 MHz,
CDCl ) d 0.13 (s), 14.1, 36.6, 56.3, 58.3, 60.3, 66.9, 71.4, 80.9, 83.5, 126.8,
3
1
27.5, 127.6 (s), 128.1 (s), 128.2 (s), 128.6 (s), 138.0, 138.8, 171.9.