Protostemonine

原百部碱

Also known as: (3S,5S)-5-[(1S,2Z,3aβ,10aα,10bα)-Decahydro-2-(2,5-dihydro-3-methoxy-4-methyl-5-oxofuran-2-ylidene)-1α-methyl-2H-furo[3,2-c]pyrrolo[1,2-a]azepin-8α-yl]-4,5-dihydro-3-methylfuran-2(3H)-one, (5Z)-4-Methoxy-3-methyl-5-{(1S,3aR,8S,10aS,10bR)-1-methyl-8-[(2S,4S)-4-methyl-5-oxotetrahydro-2-furanyl]decahydro-2H-furo[3,2-c]pyrrolo[1,2-a]azepin-2-ylidene}-2(5H)-furanone, (5Z)-5-[(1S,3aR,8S,10aS,10bR)-Decahydro-1-methyl-8-[(2S,4S)-tetrahydro-4-methyl-5-oxo-2-furanyl]-2H-furo[3,2-c]pyrrolo[1,2-a]azepin-2-ylidene]-4-methoxy-3-methyl-2(5H)-furanone, Prostemonin, QCR-280

Protostemonine (CAS 27495-40-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C23H31NO6 and a molecular weight of 417.495 g/mol. It is also known as (3S,5S)-5-[(1S,2Z,3aβ,10aα,10bα)-Decahydro-2-(2,5-dihydro-3-methoxy-4-methyl-5-oxofuran-2-ylidene)-1α-methyl-2H-furo[3,2-c]pyrrolo[1,2-a]azepin-8α-yl]-4,5-dihydro-3-methylfuran-2(3H)-one, (5Z)-4-Methoxy-3-methyl-5-{(1S,3aR,8S,10aS,10bR)-1-methyl-8-[(2S,4S)-4-methyl-5-oxotetrahydro-2-furanyl]decahydro-2H-furo[3,2-c]pyrrolo[1,2-a]azepin-2-ylidene}-2(5H)-furanone and (5Z)-5-[(1S,3aR,8S,10aS,10bR)-Decahydro-1-methyl-8-[(2S,4S)-tetrahydro-4-methyl-5-oxo-2-furanyl]-2H-furo[3,2-c]pyrrolo[1,2-a]azepin-2-ylidene]-4-methoxy-3-methyl-2(5H)-furanone. Key properties include a melting point of 172°C (lit.), a boiling point of 594.1±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 313.1±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

27495-40-5

Jingsj CID

J-1971149-2

Molecular Formula

C₂₃H₃₁NO₆

Chinese Name

原百部碱

Molecular Weight

417.495 g/mol

Category

Organic Bases

Last updated

8/21/2026