(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one

(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one structure

CAS No.: 7688-58-6

Chemical Name:: (3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one

Synonyms: Ribalinine;(S)-Ribalinine;(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one;5H-Pyrano[2,3-b]quinolin-5-one, 2,3,4,10-tetrahydro-3-hydroxy-2,2,10-trimethyl-, (3S)-

CBNumber:: CB52423215

Molecular Formula:: C15H17NO3

Molecular Weight:: 259.3

MDL Number:

MOL File:: 7688-58-6.mol

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(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one Properties

Melting point	232-233 °C(Solv: acetone (67-64-1))
Boiling point	393.5±42.0 °C(Predicted)
Density	1.28±0.1 g/cm3(Predicted)
pka	13.54±0.40(Predicted)

(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one Chemical Properties,Uses,Production

Description

A further pyranoquinolone alkaloid found in the trunk bark of Balfourodendron riedelianum (Engler) Engler, the base may be recrystallized from MeOH-diiso_x0002_propyl ether or EtOH when it forms colourless prisms from the former and irregularly-shaped crystals from the latter. The ultraviolet spectrum in neutral solution (EtOH) has absorption maxima at 237,314 and 326 mf.1, while in acid solution (0.3 N/HCl) there are two maxima at 236 and 300 mf.1. The structure has been established as 3:4: S: 1 0-tetrahydro-3-hydroxy-2:2 :20-trimethyl-S-oxo- 2H-pyrano 2,3-b quinolone.

References

Corral, Orazi., Tetrahedron Lett., S83 (1967)
Synthesis:
Bowman, Grundon., 1. Chem. Soc., C, IS04 (1966)

(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one Preparation Products And Raw materials

Raw materials

Preparation Products

(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one Suppliers

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(3S)-2,3,4,10-Tetrahydro-3-hydroxy-2,2,10-trimethyl-5H-pyrano[2,3-b]quinolin-5-one Ribalinine (S)-Ribalinine 5H-Pyrano[2,3-b]quinolin-5-one, 2,3,4,10-tetrahydro-3-hydroxy-2,2,10-trimethyl-, (3S)- 7688-58-6