BULLETIN OF THE
Note
KOREAN CHEMICAL SOCIETY
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33.98, 126.02, 124.20, 119.35, 85.32, 83.50, 67.99, 43.28,
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36.68, 32.36, 30.54, 29.43, 28.65, 27.98, 21.00, 2.66,
−
1
−
2.67, −2.82; IR (cm ) 2928, 2858, 1737, 1465, 1255,
HRMS(ESI) exact mass calculated for
C H O Si Na] requires m/z 707.3922, found m/z
Lett. 2016, 18(7), 1502. (f) N. A. Assoc, T. Kasahara,
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1
102;
+
[
4
2
60
4
2
1
707.3922. 8b: H NMR (500 MHz, CDCl ) δ 7.66 (s,
3
H16), 7.52 (s, H19), 6.01 (s, H21), 5.22 (d, J = 5.86 Hz,
H24), 4.07 (m, J = 9.76 Hz, H30), 2.79 (m, J = 5.86 Hz,
H23), 2.12 (d, H25), 1.97 (m, H25 ), 1.81 (d, H28), 1.70
4
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0
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162. (b) Z.-L. Hu, W.-J. Qian, S. Wang, Z. Yao, J. Org. Lett.
0
0
13
(d, H27), 1.61 (d, H26), 1.34 (m, H27 ), 0.91 (m, H26 ),
2009, 11, 4676. (c) Z.-L. Hu, W.-J. Qian, S. Wang, Z. Yao,
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Z. Liao, Z.-L. Hu, K. Cui, J. Jiao, Y. Qin, Z. J. Yao, Synthesis
0
0.85 (m, H28 ), 1.02 (s, t-CH ), 0.18–0.16 (s, Si-CH );
C
3
3
NMR (500 MHz CDCl ) δ 151.94, 142.13, 139.98, 135.15,
3
133.87, 125.95, 124.08, 119.41, 85.16, 83.55, 68.20, 43.22,
2
010, 20, 3474. (f) M. Dell’Acqua, V. Pirovano, S. Peroni,
36.72, 32.35, 30.53, 29.48, 28.68, 27.95, 21.06, 2.65,
−
1
G. Tseberlidis, D. Nava, E. Rossi, G. Abbiati, Eur. J. Org.
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A. R. Germain, J. A. Porco, Angew. Chem. Int. Ed. 2004, 43,
−
2.70, −2.83;; IR (cm ) 2930, 2857, 1727, 1465, 1256,
HRMS(ESI) exact mass calculated for
C H O Si Na] requires m/z 707.3922, found m/z
1
105;
+
[
4
2
60
4
2
707.3923.
1
2
239. (j) H. Wang, Y. Kuang, J. We, Asian J. Org. Chem.
012, 1, 302.
Acknowledgments. This work was supported by a grant
from the National Research Foundation of Korea (NRF),
funded by the Korean Government, through the Center for
New Directions in Organic Synthesis (NRF-2014R1A5A10
5
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Supporting Information. Additional supporting informa-
tion is available in the online version of this article.
(
2
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Bull. Korean Chem. Soc. 2019
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