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▣ 천연물에서 분리된 개별유효성분 레코드 등록정보 |
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성 분 명 |
Cepharadione B |
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다른이름들 |
1,2-Dimethoxy-6-methyl-4H-dibenzo[de,q]quinoline-4,5(6H)-dione |
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함유 천연물 |
Piper longum Linne[필발](필발(필발))
Stephania cepharantha Hayata[](백약자(白藥子)) |
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분 자 식 |
C19H15NO4 |
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화학족 분류 |
알칼로이드(alkaloid); |
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분 자 량 |
321.336 |
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녹 는 점 |
orange 267-268°C EtOH |
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생리학적효과 |
Possible biogenetic intermediate of Aristololactams. |
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UV_CHART |
(λmax, nm) (EtOH):213(4.57), 244(4.61), 273 sh.(4.20), 303(4.26), 315(4.29), 440(4.23) |
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HNMR_CHART |
(CDCl3) δ:3.64(3H,s,NMe), 4.00(3H,s,OMe), 4.03(3H,s,OMe), 7.22(1H,s,aromatic H), 7.5-7.8(3H,m,aromatic H), 7.98(1H,s,aromatic H), 9.37(1H,m,aromatic H) |
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MASS_CHART |
M+= 321, m/z= 321(100), 293, 278, 263, 250, 235, 207, 179 |
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참고문헌 |
· M. Akasu et al., Tetrahedron Lett., 3609, 1974(uv,ir,pmr,ms)
· J. Kunitomo et al., Yakugaku Zasshi, 101, 431, 1981; CA, 95, 20423c
· R. Hansel et al., J. Nat. Prod., 38, 529, 1975
· M. Akasu et al., Phytochemistry, 14, 1673, 1975
· R. Hansel et al., Phytochemistry, 15, 1323, 1976
· JM. Saa et al., Tetrahedron Lett., 601, 1976
· J. Kunitomo et al., Yakugaku Zasshi, 100, 337, 1980; CA, 93, 95454h
· N. Atanes et al., J. Org. Chem., 56, 2984, 1991
· TT. Jong et al., J. Chin. Chem. Soc. (Taipei), 40, 301, 1993; CA, 119, 135624c |
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