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(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester

(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester Struktur
5980-01-8
CAS-Nr.
5980-01-8
Englisch Name:
(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester
Synonyma:
Lochneridine;(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester;Curan-17-oic acid, 2,16-didehydro-20-hydroxy-, methyl ester, (20α)- (9CI)
CBNumber:
CB12187337
Summenformel:
C20H24N2O3
Molgewicht:
340.42
MOL-Datei:
5980-01-8.mol

(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester Eigenschaften

Schmelzpunkt:
211-4°C (dec.).
Siedepunkt:
507.7±50.0 °C(Predicted)
alpha 
D26 +607.5° (chloroform)
Dichte
1.34±0.1 g/cm3(Predicted)
pka
5.5 in 66% DMF

Sicherheit

(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester Chemische Eigenschaften,Einsatz,Produktion Methoden

Beschreibung

A further alkaloid from Vinca rosea L., forming colourless prisms when crystallized from MeOH. The ultraviolet spectrum has absorption maxima at 230, 293 and 328 mil. The base contains a tertiary hydroxyl group and an imino group and, with AC20 in pyridine, furnishes akuammicine (q.v.), by dehydration. Reduction with Zn dust in MeOH-H2S04 yields 2: 16-dihydroakuammicine after preparative thin-layer chromatography on silica gel.

Einzelnachweise

Svoboda et al., J. Pharm. Sci., 50, 409 (1961)
Structure:
Nakagawa et at., Chem. Ind., 1986 (1962)

(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


(20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 1)Lieferanten
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  • (20S)-2,16-Didehydro-20-hydroxycuran-17-oic acid methyl ester
  • Lochneridine
  • Curan-17-oic acid, 2,16-didehydro-20-hydroxy-, methyl ester, (20α)- (9CI)
  • 5980-01-8
  • C20H24O3N2
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