Unusual Structure-Energy Correlations in Intramolecular Diels–Alder Reaction Transition States [PDF]
Molecules, 2014 Detailed analysis of calculated data from an experimental/computational study of intramolecular furan Diels–Alder reactions has led to the unusual discovery that the mean contraction of the newly forming C-C σ-bonds from the transition state to the ...
Justyna M. Żurek +3 more
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Aqueous Ti(IV)-Catalyzed Diels-Alder Reaction
Molecules, 2007 The aqueous Diels-Alder reaction of 1,3-cyclohexadiene with 1,4-benzoquinone was compared and contrasted to the same reaction catalyzed with Flextyl P™, a novel Ti(IV) performance catalyst.
Kyle E. Litz
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Recent advancements in the chemistry of Diels–Alder reaction for total synthesis of natural products: a comprehensive review (2020–2023) [PDF]
RSC AdvDespite being discovered nearly a century ago, the Diels–Alder (DA) reaction remains a crucial tool in the total synthesis of natural products. It accommodates a broad range of building blocks with varying complexity and levels of derivatization ...
A. Rana, Anupam Mishra, S. Awasthi
semanticscholar +2 more sources
A Simple Entry to the 5,8-Disubstituted Indolizidine Skeleton via Hetero Diels-Alder Reaction [PDF]
Molecules, 2023 The 5,8-disubstituted indolizidines are the largest family of indolizidines isolated from the skin of amphibians. These compounds exhibit interesting biological activities such as noncompetitive blockers of nicotinic receptors.
Juan Francisco Rodríguez-Caro +2 more
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Thermally Induced Intramolecular Diels–Alder Reaction of Furan-Tethered Methylenecyclopropanes [PDF]
MoleculesThe substantial ring strain and activated double bonds render methylenecyclopropanes (MCPs) potential substrates for Diels–Alder (DA) reactions. In this work, we present a thermally induced intramolecular Diels–Alder (IMDA) reaction utilizing furan ...
Qi-Yun Huang +3 more
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New tandem Ugi/intramolecular Diels–Alder reaction based on vinylfuran and 1,3-butadienylfuran derivatives [PDF]
Beilstein Journal of Organic ChemistryA new tandem sequence involving the Ugi reaction and Diels–Alder [4 + 2] cycloaddition based on vinylfuran and 1,3-butadienylfuran derivatives was designed and studied.
Yuriy I. Horak +5 more
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Diels-Alder Reaction of β-Fluoro-β-nitrostyrenes with Cyclic Dienes [PDF]
, 2020 The Diels-Alder reaction of β-fluoro-β-nitrostyrenes with cyclic 1,3-dienes was investigated. A series of novel monofluorinated norbornenes was prepared in up to 97% yield.
Savva A., Ponomarev +7 more
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Synthesis of the [11]Cyclacene Framework by Repetitive Diels–Alder Cycloadditions
Molecules, 2021 The Diels–Alder cycloaddition between bisdienes and bisdienophile incorporating the 7-oxa-bicyclo[2.2.1]heptane unit are well known to show high diastereoselectivity that can be exploited for the synthesis of molecular belts. The related bisdiene 5,6,7,8-
John B. Bauer +4 more
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Bio-Based Aromatic Polyesters Reversibly Crosslinked via the Diels–Alder Reaction
Applied Sciences, 2022 Diphenolic acid is functionalized with furfuryl amine and subsequently incorporated in a (partly) bio-based polyester through interfacial polycondensation with terepthalic chloride.
Martijn Beljaars +3 more
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C(alkyl)–C(vinyl) bond cleavage enabled by Retro-Pallada-Diels-Alder reaction
Nature Communications, 2023 Activation and cleavage of carbon–carbon (C–C) bonds is a fundamental transformation in organic chemistry while inert C–C bonds cleavage remains a long-standing challenge.
Qingyang Zhao +6 more
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