Journal
SYNTHESIS-STUTTGART
Volume -, Issue 18, Pages 2701-2706Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2002-35984
Keywords
heterocycles; synthesis; coumarins; 2H-1-benzopyran-2-ones; Baylis-Hillman reaction
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Halogen acid-catalysed deprotection and cyclisation of Baylis-Hillman products obtained using O-benzylated salicylaldehyde precursors has been shown to afford 3-(halomethyl)coumarins (3-halomethyl-2H-1-benzopyran-2-ones) chemoselectively and in good yield.
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