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DL-?????

DL-?????
DL-????? ??? ???
?? ??:
2580-88-3
???:
DL-?????
???(??):
DL-?????
???:
DL-Eburnamonine
???(??):
Vincanorine;DL-Eburnamonine;Eburnamenin-14(15H)-one, (±)-
CBNumber:
CB72443381
???:
C19H22N2O
??? ??:
294.39
MOL ??:
2580-88-3.mol

DL-????? ??

???
201-202.5°
?? ?
441.9±33.0 °C(Predicted)
??
1.34±0.1 g/cm3(Predicted)
?? ?? (pKa)
8.13±0.40(Predicted)

??

DL-????? C??? ??, ??, ??

??

An optically inactive alkaloid from Vinca minor, the base forms colourless cf'jstals from MeOH or EtOH. It may be characterized as the perchlorate, m.p. 243-5°C and is identical with (±)-Eburnamonine.

?? ??

Mokry etal., Experientia, 17,354 (1961) Mokry et al., Chern. Zvesti., 16, 140 (1962) Synthesis: Wenkert, Wickberg., J. Amer. Chern. Soc., 87, 1580 (1965)

DL-????? ?? ?? ? ???

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DL-????? ?? ??

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