BULLETIN OF THE
Note
KOREAN CHEMICAL SOCIETY
(Z)-40-Methoxy-20-methylthioaurone (5h). mp 137–138
(b) A. A. Mouineer, A. F. Zaher, A. A. El-malah, E. A. Sobh,
Mediterr. J. Chem. 2017, 6, 165.
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F. Hollosy, D. Eros, L. Orfi, G. Keri, M. Idei, J. Chromatogr.
B 2004, 801, 229.
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1
ꢀC; H NMR (300 MHz, CDCl3) δ 8.18 (s, 1H), 7.94 (d,
J = 7.6 Hz, 1H), 7.75 (d, J = 8.6 Hz, 1H), 7.46–7.59 (m,
2H), 7.24–7.31 (m, 1H), 6.87 (dd, J = 8.6, 2.6 Hz, 1H),
6.81 (d, J = 2.2 Hz, 1H), 3.85 (s, 3H), 2.50 (s, 3H); 13C
NMR (75 MHz, CDCl3) δ 188.5, 161.0, 146.3, 142.3,
134.9, 131.1, 131.0, 130.8, 128.9, 127.0, 125.9, 125.4,
123.9, 116.6, 111.8, 55.4, 20.5; FT-IR (KBr) 1671 (C=O)
cm−1; MS m/z (%) 282 (M+, 75), 267 (100).
1
ꢀ
(Z)-30,50-Dimethoxythioaurone (5i). mp 167–168 C; H
NMR (300 MHz, CDCl3) δ 7.93 (d, J = 7.7 Hz, 1H), 7.87
(s, 1H), 7.55–7.60 (m, 1H), 7.48 (d, J = 7.8 Hz, 1H),
7.25–7.32 (m, 1H), 6.85 (d, J = 2.1 Hz, 2H), 6.53 (t,
J = 2.2 Hz, 1H), 3.85 (s, 6H); 13C NMR (75 MHz, CDCl3)
δ 188.6, 161.0, 146.1, 136.0, 135.4, 133.7, 130.8, 130.4,
127.1, 125.7, 123.9, 108.7, 102.8, 55.5; FT-IR (KBr) 1675
(C=O) cm−1; MS m/z (%) 298 (M+, 57), 267 (100).
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Acknowledgments. This research was supported by the
Duksung Women’s University Research Grants 30000029
74 (2018).
Supporting Information. Additional supporting informa-
tion may be found online in the Supporting Information
section at the end of the article.
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Bull. Korean Chem. Soc. 2018
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