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Title: Synthesis of some C-4 hydroxybenzo[c]pyrans: a new approach.
Authors: Hugo, Victor I 
Masenya, Tebogo 
Green, Ivan R 
Keywords: C-4 hydroxybenzo[c]pyrans;Hydroxy[c]pyrans;Meta-chloroperbenzoic acid;Palladium bisacetonitrile
Issue Date: 2006
Publisher: Taylor & Francis
Source: Hugo, V.I., Masenya, T. and Green, I.R. 2006. Synthesis of Some C‐4 Hydroxybenzo [c] pyrans: A New Approach. Synthetic communications, 36(11): 1631-1636
Journal: Synthetic Communications 
Abstract: A new synthetic approach to the synthesis of some epimeric C-4-hydroxy-benzo[c]pyrans is described. A key step in their formation is stereoisomerisation of a nonconjugated ortho alkenylphenylketone and -ester using palladium bisacetonitrile [bisacetonitriledichloropalladium(II)] to give the corresponding conjugated E stereo-isomers which cyclize on treatment with meta-chloroperbenzoic acid (m-CPBA) to afford the target compounds.
ISSN: 0039-7911
Appears in Collections:Appsc - Journal Articles (DHET subsidised)

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