Journal ArticleDOI
Five-Membered Ring Systems: Furans and Benzofurans
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In this paper, a review covers work published in the calendar year 2012 and references to new, naturally occurring furans, dihydrofurans, and tetrahydrofurants are given.Abstract:
This review covers work published in the calendar year 2012. References to new, naturally occurring furans, dihydrofurans, and tetrahydrofurans are given. New methods for the ring synthesis of furans, dihydrofurans, and tetrahydrofurans, and benzofurans are discussed. Novel reaction chemistry of furans, dihydrofurans, and tetrahydrofurans, and benzofurans is covered.read more
Citations
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Highly Z- and Enantioselective Ring-Opening/Cross-Metathesis Reactions Catalyzed by Stereogenic-at-Mo Adamantylimido Complexes
TL;DR: The first highly Z- and enantioselective class of ring-opening/cross-metathesis reactions is presented and the desired chiral pyrans obtained bear a Z olefin either exclusively (>98:<2 Z/E) or predominantly (>or=87:13 Z/ E).
Highly efficient reduction of unactivated aryl and alkyl iodides by a ground-state neutral organic electron donor
Tanweer A. Khan,John A. Murphy +1 more
TL;DR: The reducing agent 1 is formed in two steps from N-methylbenzimidazole using very simple chemistry, and subsequent treatment of the iodoalkane or -arene with 1 affords cyclized products
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Stereoselective Bromofunctionalization of Alkenes
TL;DR: This account will provide an insight into the group's approach in tackling the challenges in enantioselective bromocyclization of alkenes as well as the development of diastereoselectives N-bromosuccinimide-initiated multicomponent reactions.
Combined Oxypalladation/C-H Functionalization: Palladium(II)-Catalyzed Intramolecular Oxidative Oxyarylation of Hydroxyalkenes
Rong Zhu,Stephen L. Buchwald +1 more
TL;DR: In this article, a simple Pd(II)-catalyzed method for the catalytic oxidative oxypalladation/arylation of unactivated hydroxyalkenes was proposed.
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Efficient Microwave-assisted One-pot Three-component Synthesis of 2,3-Disubstituted Benzofurans under Sonogashira Conditions
TL;DR: An efficient one-pot method for the synthesis of 2,3-disubstituted benzo[b]furans from commercially available 2-iodophenols, terminal acetylenes and aryl iodides has been developed utilizing Sonogashira reaction conditions.
References
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Trifluoromethylation of arenes and heteroarenes by means of photoredox catalysis
TL;DR: A mild, operationally simple strategy for the direct trifluoromethylation of unactivated arenes and heteroarenes through a radical-mediated mechanism using commercial photocatalysts and a household light bulb is reported.
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A New Gold-Catalyzed C−C Bond Formation
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Highly Selective Gold-Catalyzed Arene Synthesis
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Combined effects on selectivity in Fe-catalyzed methylene oxidation.
Mark S. Chen,M. Christina White +1 more
TL;DR: It is reported that an iron catalyst can achieve methylene C–H bond oxidations in diverse natural-product settings with predictable and high chemo-, site-, and even diastereoselectivities.
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Enantioselective organo-cascade catalysis.
TL;DR: These new cascade catalysis protocols allow the invention of enantioselective transformations that were previously unknown, including the asymmetric catalytic addition of the elements of HF across a trisubstituted olefin.