Microwave Accelerated Aza-Claisen Rearrangement by Eva Gajdošíková, Miroslava Martinková, Jozef Gonda, Patrik Conka

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Total synthesis of (+/-)-halomon by a Johnson-Claisen rearrangement by Schlama, T, Baati, R, Gouverneur, V, Valleix, A, Falck, JR, Mioskowski, C

Functional Graphenic Materials Via a Johnson−Claisen Rearrangement by Sydlik, Stefanie Arlene, Swager, Timothy M

“…This variation of the Claisen rearrangement offers an unprecedented versatility of further functionalizations, while maintaining the desirable properties of unfunctionalized graphene. …”
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An enantioselective epoxide rearrangement - Claisen rearrangement approach to prostaglandins and (+)-iridomyrmecin by Hodgson, D, Gibbs, A

“…The asymmetric syntheses of prostaglandin precursor 8 and (+)iridomyrmecin (12) via highly enantioselective rearrangement of the epoxide 1 and subsequent Ireland-Claisen rearrangement are described.…”

The Claisen rearrangement approach to fused bicyclic medium-ring oxacycles. by Burton, J, Anderson, E, O'Sullivan, P, Collins, I, Davies, J, Bond, A, Feeder, N, Holmes, AB

“…The synthesis of five fused-bicyclic medium-ring lactones carrying identical ring-fusion to that in the polyether toxins is described using an enolate hydroxylation, intramolecular hydrosilation, Claisen rearrangement sequence.…”

Doubly diastereoselective [3,3]-sigmatropic aza-Claisen rearrangements. by Davies, S, Garner, A, Nicholson, R, Osborne, J, Roberts, P, Savory, E, Smith, A, Thomson, J

“…The doubly diastereoselective [3,3]-sigmatropic aza-Claisen rearrangement of silylketene aminals derived from 5-substituted (3S,4E,alphaR)-1-benzyloxy-3-[N-acyl-N-(alpha-methylbenzyl)amino]pent-4-enes furnishes 2,3-disubstituted (R)-N-alpha-methylbenzyl (2S,3R,4E)-7-benzyloxyhept-4-enamides in >90% de under the "matched" control of both stereogenic centres. …”

Double diastereoselective [3,3]-sigmatropic aza-Claisen rearrangements. by Davies, S, Garner, A, Nicholson, R, Osborne, J, Savory, E, Smith, A

“…Asymmetric [3,3]-sigmatropic aza-Claisen rearrangement of the (Z)-N-allyl-N,O-silylketene aminal of (3S,4E,alphaR)-1-benzyloxy-3-(N-propionyl-N-alpha-methylbenzylamino)hex-4-ene furnishes (2S,3R,4E,alphaR)-N-alpha-methylbenzyl-2,3-dimethyl-7-benzyloxyhept-4-enamide in > 92% d.e.; rearrangement of the diastereomeric (3R,4E,alphaR)-(Z)-N,O-silylketene aminal proceeds with low diastereoselectivity.…”

Claisen Rearrangement of Graphite Oxide: A Route to Covalently Functionalized Graphenes by Collins, William R., Lewandowski, Wiktor, Schmois, Ezequiel, Walish, Joseph John, Swager, Timothy M

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Synthesis of fused bicyclic medium-ring lactones via Claisen rearrangement by Burton, J, O'Sullivan, P, Anderson, E, Collins, I, Holmes, AB

“…Fused bicyclic medium-ring lactones, carrying identical ring-fusion to that in the polyether toxins, are prepared by a Claisen rearrangement sequence.…”

Synthesis of simplified analogues of eleutherobin via a Claisen rearrangement/RCM strategy by Mak, S, Chiang, G, Davidson, J, Davies, J, Ayscough, A, Pain, G, Burton, J, Holmes, AB

Claisen Rearrangement Toward Cyclic Compound on Different Organic Synthesis Methods: Short Review by Rizki Rachmad Saputra, Reny Rosalina, Dimas Pramudita, Oktavia Rahmi Wulandari, Yuneta Yuneta, Amanda Natania Gracia, Tina Sugiyani, Marsya Imelya

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Selective C‐7 Functionalization of Phenanthridines by Microwave‐Assisted Claisen Rearrangements of 8‐Allyloxyphenanthridines by Mathias Ryslett Lepsøe, Aleksander Granum Dalevold, Prof. Dr. Lise‐Lotte Gundersen

Subjects: “…Claisen rearrangement…”
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Base-Mediated Claisen Rearrangement of CF₃-Containing Bisallyl Ethers by Yoko Hamada, Rio Matsunaga, Tomoko Kawasaki-Takasuka, Takashi Yamazaki

Subjects: “…Claisen rearrangement…”
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Synthesis of medium-ring lactones via tandem methylenation/Claisen rearrangement of cyclic carbonates by Davidson, J, Anderson, E, Buhr, W, Harrison, JR, O'Sullivan, P, Collins, I, Green, R, Holmes, AB

“…Tandem methylenation/Claisen rearrangement of cyclic carbonates derived from vinyl-substituted 1,3- and 1,4-diols afforded eight and nine-membered unsaturated lactones respectively.…”

Synthesis of medium-ring lactones via tandem methylenation/Claisen rearrangement of cyclic carbonates by Anderson, E, Davidson, J, Harrison, JR, O'Sullivan, P, Burton, J, Collins, I, Holmes, AB

“…The reaction proceeds by initial formation of a ketene acetal which undergoes subsequent in situ Claisen rearrangement to provide the corresponding lactones. …”

Reshuffle Bonds by Ball Milling: A Mechanochemical Protocol for Charge-Accelerated Aza-Claisen Rearrangements by Christian Schumacher, Lieselotte Fritz, Lena M. Hanek, Vitali Sidorin, Daniel Brüx, Carsten Bolm

Subjects: “…Claisen rearrangement…”
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Asymmetric syntheses of enantiopure C(5)-substituted transpentacins via diastereoselective Ireland-Claisen rearrangements. by Davies, S, Fletcher, A, Roberts, P, Thomson, J, Zammit, C

“…Asymmetric syntheses of (S,S,S)-2-amino-5-methylcyclopentanecarboxylic acid and (S,S,S)-2-amino-5-phenylcyclopentanecarboxylic acid were achieved in 9 steps from commercially available starting materials via the Ireland-Claisen rearrangement of two enantiopure β-amino allyl esters, followed by ring-closing metathesis, reduction and deprotection. …”

Synthesis and Claisen rearrangement of bridged bicyclic enol ethers of relevance to the course of ketene s-cis-diene cycloaddition. by Robertson, J, Fowler, T

“…The synthesis is described of a range of 3-alkylidene-2-oxabicyclo[2.2.1]hept-5-ene and 3-alkylidene-2-oxabicyclo[2.2.2]oct-5-ene derivatives; Claisen rearrangement of these substrates either thermally or in the presence of an added Lewis acid results in the formation of bicyclic cyclobutanones with generally good conversions. …”

THE ELABORATION OF EFFECTIVE METHODS OF SYNTHESIS OF NEW HETEROCYCLIC COMPOUNDS CONTAINING NIYROGEN AND CHALCOGEN WITH POTENTIAL BIOLOGICAL ACTIVITY by V. A. Potapov, D. A. Malinovich, S. V. Amosova

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Diastereoselective Ireland-Claisen rearrangements of substituted allyl β-amino esters: applications in the asymmetric synthesis of C(5)-substituted transpentacins. by Davies, S, Fletcher, A, Lee, J, Roberts, P, Souleymanou, M, Thomson, J, Zammit, C

“…The diastereoselective Ireland-Claisen rearrangement of a range of substituted allyl β-amino esters gave the corresponding enantiopure α-substituted-β-amino esters with good diastereoselectivity. …”