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koumine

koumine ??? ???
?? ??:
1358-76-5
???:
koumine
???(??):
koumine;Koumine-RM;(3R,7alpha,20alpha)-1,2,18,19-Tetradehydro-3,17-epoxy-7,20(2H,19H)cyclovobasan;7,20(2H,19H)-Cyclovobasan, 1,2,18,19-tetradehydro-3,17-epoxy-, (3R,7alpha,20alpha)-;(3S,4S,4aR,6R,11bS,11cS)-2-Methyl-11c-vinyl-1,2,3,4,4a,5,6,11c-octahydro-6,4-(epoxymethano)-3,11b-methanopyrido[4,3-c]carbazole;6,4-(Epoxymethano)-3,11b-methano-11bH-pyrido[4,3-c]carbazole, 11c-ethenyl-1,2,3,4,4a,5,6,11c-octahydro-2-methyl-, (3S,4S,4aR,6R,11bS,11cS)-
CBNumber:
CB31480541
???:
C20H22N2O
??? ??:
306.4
MOL ??:
1358-76-5.mol

koumine ??

???
168℃
?? ?
436.5±45.0 °C(Predicted)
??
1.42
?? ??
2-8°C
???
DMSO : 31.25 mg/mL (101.99 mM; Need ultrasonic)
??? ??
??
?? ?? (pKa)
8.67±0.40(Predicted)
??
??? ??? ??

??

koumine C??? ??, ??, ??

??

The Chinese drug 'Kou-wen', said to be derived from Gelsemium elegans Benth., is stated to contain this alkaloid which forms rhombic prisms from Me2 CO. It has [α]23D - 265° (EtOH) and forms a crystalline hydrochloride, m.p. 255°C (dec.) and a hydrobromide, m.p. 269°C (dec.).

??

Koumine is an alkaloid isolated from Gelsemium elegans Benth.

??

Koumine is known to attenuate the lipopolysaccharide-stimulated inflammation in RAW264.7 macrophages.

?? ??

Chou, Pak, Hou., Chin. 1. Physiol., 5, 345 (1931)
Chou, Wang, Chen., ibid, 8,40 (1934)
Chi, Kao, Huang., 1. Amer. Chem. Soc., 60, 1723 (1938)

koumine ?? ?? ? ???

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koumine ?? ??

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