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Synthetic studies on morellin. Part 4: Synthesis of 2,2-dimethyl- 12-[3-methylbut-2-enyl]-2H,6H-pyrano[3,2-b]xanthen-6-one

Rao, Subba GSR and Raghavan, Sadagopan (2001) Synthetic studies on morellin. Part 4: Synthesis of 2,2-dimethyl- 12-[3-methylbut-2-enyl]-2H,6H-pyrano[3,2-b]xanthen-6-one. In: J. Indian Inst. Sci., 81 (4). pp. 393-401.

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Abstract

A new synthesis of 2,2-dimethyl-12-[3-methylbut-2-enyl]-2H,6H-pyrano[3,2-b]xanthen-6-one (7) is described from 1,3-dihydroxyxanthone and involved the preparation of a linear dihydropyranoxanthone (26), its conversion into the pyranoxanthone (14) and its prenylated derivative (31) followed by a Claisen rearragement leading to the target substrate (7).

Item Type: Journal Article
Publication: J. Indian Inst. Sci.
Publisher: Indian Institute of Science
Keywords: Morellin;synthetic studies;pyrano[3,2-b]xanthene;Claisen rearrangement
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 09 Jun 2004
Last Modified: 19 Sep 2010 04:12
URI: http://eprints.iisc.ac.in/id/eprint/240

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