Oxidation of chromanones and 2-spirochromanones with [hydroxy(tosyloxy)iodo]benzene in acetonitrile under reflux as well as ultrasound: A convenient route for the synthesis of chromones, tetrahydroxanthones and their higher homologues

Article abstract of DOI:10.1080/00397919408010576

Oxidation of chromanones (1a-i) and 2-spiro-chromanones (1j-m) using [hydroxy(tosyloxy)iodo]benzene in refluxing acetonitrile as well as using ultrasound via dehydrogenation and 2,3-alkyl migration provides a convenient route for the synthesis of chromones (2a-i), tetrahydroxanthones (2j, k) and their higher homologues (2l, m). The ultrasound also enhances substantially the rate of above transformations.

Full text of DOI:10.1080/00397919408010576

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Synthetic Communications: An
International Journal for Rapid
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Organic Chemistry
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Oxidation of Chromanones
and 2-Spirochromanones with
[Hydroxy(tosyloxy)iodo]benzene
in Acetonitrile Under Reflux
as well as Ultrasound: A
Convenient Route for the
Synthesis of Chromones,
Tetrahydroxanthones, and
Their Higher Homologues
Devinder Kumar a , Om V. Singh b , Om Prakash a &
Shiv P. Singh b
a Department of Chemistry , Kurukshetra University ,
Kurukshetra, 132 119, India
b Regional Research Laboratory , Jammu-Tawi,
180001, India
Published online: 23 Sep 2006.
To cite this article: Devinder Kumar , Om V. Singh , Om Prakash & Shiv
P. Singh (1994) Oxidation of Chromanones and 2-Spirochromanones with
[Hydroxy(tosyloxy)iodo]benzene in Acetonitrile Under Reflux as well as Ultrasound:
A Convenient Route for the Synthesis of Chromones, Tetrahydroxanthones, and
Their Higher Homologues, Synthetic Communications: An International Journal
for Rapid Communication of Synthetic Organic Chemistry, 24:18, 2637-2644, DOI:
10.1080/00397919408010576

To link to this article: http://dx.doi.org/10.1080/00397919408010576
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