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Synlett 2001; 2001(4): 0526-0528
DOI: 10.1055/s-2001-12330
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Efficient Synthesis of Functionalized 4,5-Benzotropones by Regioselective Cyclization of 1,3-Bis(trimethylsilyloxy)-1,3-butadienes with Phthalic Dialdehyde

Peter Langer* , Uwe Albrecht
  • *Institut für Organische Chemie der Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen, Germany; E-mail: planger@uni-goettingen.de
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Publication Date:
31 December 2001 (online)

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The reaction of 1,3-bis(trimethylsiloxy)-1,3-butadienes with phthalic dialdehyde resulted in regioselective formation of functionalized 4,5-benzotropones.

aldol reactions - benzotropones - cyclizations - regioselectivity - silyl enol ethers