Studies towards the synthesis of FCRR toxin: an expeditious entry into 7-5-6 ring systems via [5+2] oxidopyrylium-alkene cycloaddition

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Title:	Studies towards the synthesis of FCRR toxin: an expeditious entry into 7-5-6 ring systems via [5+2] oxidopyrylium-alkene cycloaddition
Authors:	KRISHNA, UM TRIVEDI, GK
Keywords:	<5+2>-cycloaddition 3-oxidopyrylium derivatives strategy furans
Issue Date:	2004
Publisher:	PERGAMON-ELSEVIER SCIENCE LTD
Citation:	TETRAHEDRON LETTERS, 45(2), 257-259
Abstract:	Synthetic studies towards the diterpene natural product FCRR toxin have been undertaken. Ail intermolecular [5+2] oxidopyrylium-alkene cycloaddition reaction was employed to construct the 7-5-6 tricyclic framework. The reaction proceeded with very high regio- and stereoselectivity and the bridging ether was reductively cleaved to unmask the carbocycle. (C) 2003
URI:	http://dx.doi.org/10.1016/j.tetlet.2003.10.185 http://dspace.library.iitb.ac.in/xmlui/handle/10054/11388 http://hdl.handle.net/10054/11388
ISSN:	0040-4039
Appears in Collections:	Article

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