ChemicalBook--->CAS DataBase List--->49686-57-9

49686-57-9

49686-57-9 Structure

49686-57-9 Structure
IdentificationBack Directory
[Name]

Drupacine
[CAS]

49686-57-9
[Synonyms]

Drupacine
Cephalotaxine, 2,11-epoxy-1,2-dihydro-, (2α,11α)-
Cephalotaxine, 2,11-epoxy-1,2-dihydro-, (2alpha,11alpha)-
[Molecular Formula]

C18H21NO5
[MOL File]

49686-57-9.mol
[Molecular Weight]

331.37
Chemical PropertiesBack Directory
[Melting point ]

70-2°C
Hazard InformationBack Directory
[Description]

Cephalotaxus harringtonia contains a number of structurally similar alkaloids. This base has newly been isolated from this source and forms colourless crystals from a mixture of MeOH-CHC13-hexane. It is laevorotatory with a specific rotation of [α]26 D- 137° (c 0.79, CHC13) and gives an ultraviolet spectrum in EtOH with absorption maxima at 242 and 291 nm. The crystalline acetate has m.p. 75-90°C.
[References]

Powell et al., 1. Org. Chern., 39, 676 (1974)
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