Hashish-XIII. On the nature of the beam test

R. Mechoulam; Z. Ben-Zvi; Y. Gaoni

doi:10.1016/0040-4020(68)88159-1

Hashish-XIII. On the nature of the beam test

R. Mechoulam, Z. Ben-Zvi, Y. Gaoni

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Abstract

The purple colour produced by treatment of cannabidiol (I) with 5% ethanolic potassium hydroxide (Beam test) is due to the anions of the hydroxy-quinone II and its dimer III. Compounds II and III are formed from I by air oxidation during the reaction. The quinone III is reduced in the mass spectrometer to a M⁺ + 4 species (probably the dihydroquinone).

Original language	English
Pages (from-to)	5615-5624
Number of pages	10
Journal	Tetrahedron
Volume	24
Issue number	16
DOIs	https://doi.org/10.1016/0040-4020(68)88159-1
State	Published - 1 Jan 1968
Externally published	Yes

ASJC Scopus subject areas

Biochemistry
Drug Discovery
Organic Chemistry

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abstract = "The purple colour produced by treatment of cannabidiol (I) with 5% ethanolic potassium hydroxide (Beam test) is due to the anions of the hydroxy-quinone II and its dimer III. Compounds II and III are formed from I by air oxidation during the reaction. The quinone III is reduced in the mass spectrometer to a M+ + 4 species (probably the dihydroquinone).",

author = "R. Mechoulam and Z. Ben-Zvi and Y. Gaoni",

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AU - Ben-Zvi, Z.

AU - Gaoni, Y.

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N2 - The purple colour produced by treatment of cannabidiol (I) with 5% ethanolic potassium hydroxide (Beam test) is due to the anions of the hydroxy-quinone II and its dimer III. Compounds II and III are formed from I by air oxidation during the reaction. The quinone III is reduced in the mass spectrometer to a M+ + 4 species (probably the dihydroquinone).

AB - The purple colour produced by treatment of cannabidiol (I) with 5% ethanolic potassium hydroxide (Beam test) is due to the anions of the hydroxy-quinone II and its dimer III. Compounds II and III are formed from I by air oxidation during the reaction. The quinone III is reduced in the mass spectrometer to a M+ + 4 species (probably the dihydroquinone).

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Hashish-XIII. On the nature of the beam test

Abstract

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