4H-Dibenzo(de,g)quinolin-9-ol, 5,6,6a,7-tetrahydro-1,2,10-trimethoxy-6 -methyl-, (S)-

CAS NO.：2169-44-0
Empirical Formula: C20H23NO4
Molecular Weight: 341.4
MDL number: MFCD01664545
SAFETY DATA SHEET (SDS)
Update Date: 2023-04-23 13:52:06

What is 4H-Dibenzo(de,g)quinolin-9-ol, 5,6,6a,7-tetrahydro-1,2,10-trimethoxy-6 -methyl-, (S)-?

Description

This alkaloid, identified as the N-methyl derivative of laurotetanine (q. v.), has been isolated from Escholtzia californica Cham., Phylica fengerialla and P. rogersii Pillans. The base is known in two modifications; as an amorphous powder and a colourless crystals from MeOH containing 0.5 mole of solvent, identical with rogersine (q.v.). The alkaloid has [α]_D + 1110 (c 0.86, MeOH) and the ultraviolet spectrum in EtOH has absorption maxima at 219, 282 and 304 rn[J.; while that in alkaline solution (0.05 N/NaOH) has absorption maxima at 223 and 329 mil.
The alkaloid yields a crystalline hydriodide, m.p. 245°C; the methiodide, m.p. 199-2000 C and the Q-ethyl (-)-tartrate, m.p. 206-7°C (dec.) giving a methiodide, m.p. 213° C.

References

Arndt, Baarschers., J. Chern. Soc., 2244 (1964)
Manske, Shin., Can. J. Chern., 43,2180 (1965)
Baarschers, Arndt., Tetrahedron, 21,2155 (1965)
Pachler, Arndt, Baarschers., ibid, 21,2159 (1965)

Properties of 4H-Dibenzo(de,g)quinolin-9-ol, 5,6,6a,7-tetrahydro-1,2,10-trimethoxy-6 -methyl-, (S)-

Melting point:	102.5°C
Boiling point:	477.03°C (rough estimate)
Density	1.2064 (rough estimate)
refractive index	1.5614 (estimate)
solubility	Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
form	Powder

Safety information for 4H-Dibenzo(de,g)quinolin-9-ol, 5,6,6a,7-tetrahydro-1,2,10-trimethoxy-6 -methyl-, (S)-

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H320:Serious eye damage/eye irritation
Precautionary Statement Codes	P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention.

Computed Descriptors for 4H-Dibenzo(de,g)quinolin-9-ol, 5,6,6a,7-tetrahydro-1,2,10-trimethoxy-6 -methyl-, (S)-

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