6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one

CAS No.
6872-64-6
Chemical Name:
6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one
Synonyms
Neblinine;6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one;1H,6aH,17aH-Furo[2,3-b]indolizino[8,1-cd][1,4]oxazino[2,3,4-jk]carbazol-5(4H)-one, 7,7a,9,10,15,16-hexahydro-12-methoxy-9-methyl-, (3aS,6aS,7aR,9R,14bR,17aS)-
CBNumber:
CB12426773
Molecular Formula:
C23H26N2O4
Molecular Weight:
394.46
MDL Number:
MOL File:
6872-64-6.mol

6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one Properties

Melting point 256-8°C (dec.).

6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one Chemical Properties,Uses,Production

Description

Aspidosperma neblinine Monachino yields this alkaloid which forms transparent crystals from hexane. It is laevorotatory with [α]27D - 14° (c 1.19, CHC13). Catalytic reduction furnishes the dihydro derivative, m.p. 230-3°C (dec.). The structure is that of 15-demethoxyobscurinervidine.

References

Brown, Djerassi., J. Amer. Chern. Soc., 86,2451 (1964)

6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one Preparation Products And Raw materials

Raw materials

Preparation Products

6,7-Didehydro-16-methoxy-22α-methylobscurinervan-21-one Neblinine 1H,6aH,17aH-Furo[2,3-b]indolizino[8,1-cd][1,4]oxazino[2,3,4-jk]carbazol-5(4H)-one, 7,7a,9,10,15,16-hexahydro-12-methoxy-9-methyl-, (3aS,6aS,7aR,9R,14bR,17aS)- 6872-64-6