Journal ArticleDOI
Acid catalysis of the Claisen rearrangement. 2. Formation of the benzofurobenzopyran and benzofuro[3,2-b]benzofuran skeletons from 1,4-bis(aryloxy)-2-butynes
Dallas K. Bates,Michael C. Jones +1 more
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This article is published in Journal of Organic Chemistry.The article was published on 1978-09-01. It has received 27 citations till now. The article focuses on the topics: Claisen rearrangement & Benzofuran.read more
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An approach to bimetallic catalysts by ligand design.
J. M. Lopez-Valbuena,Eduardo C. Escudero-Adán,Jordi Benet-Buchholz,Zoraida Freixa,Piet W. N. M. van Leeuwen +4 more
TL;DR: New diphosphines based on benzofurobenzofuran and dibenzodioxocin backbones, forming exclusively bimetallic complexes were designed and synthesized, showing high activities under catalytic conditions.
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Rh(I)-Catalyzed Transformation of Propargyl Vinyl Ethers into (E,Z)-Dienals: Stereoelectronic Role of trans Effect in a Metal-Mediated Pericyclic Process and a Shift from Homogeneous to Heterogeneous Catalysis During a One-Pot Reaction
TL;DR: The combination of experiments and computations suggests that the initially formed allene-aldehyde product assists in the transformation of a homogeneous catalyst into nanoclusters, which in turn catalyze and control the stereochemistry of subsequent transformations.
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Mercury(II) trifluoroacetate-mediated cyclisation of aryl allenic ethers
TL;DR: Mercury(II) trifluoroacetate brings about a facile cyclisation of aryl allenic(aryl 2,3-butadien-1yl) ethers to 4-methyl-2H-1-benzopyrans.
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Mercury(II) trifluoroacetate-mediated transformation of 3-bromo-1-phenylprop-2-ynyl aryl ethers; a novel synthesis of flavanones
TL;DR: In this paper, the synthesis and trifluoroacetate mediated transformation of 3-bromo-1-phenylprop-2-ynyl aryl ethers to flavanones is reported.
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Copper-Catalyzed Double Intramolecular Ullmann Coupling for the Synthesis of Diastereomerically and Enantiomerically Pure 4b,9b-Dihydrobenzofuro[3,2-b]benzofurans
TL;DR: The copper-catalyzed double intramolecular Ullmann coupling of syn-1,2-bis(2-bromoaryl)ethane-1-2-diols with catalytic amounts of CuII oxinate as the copper source, K3PO4 as a base, and KI as a reductant in aqueous acetonitrile selectively delivers 4b, 9b-dihydrobenzofuro[3, 2-b]benz ofurans in diastereomerically and enantiomer