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Total Synthesis of Paucifloral F, Ampelopsin D, Isoampelopsin D, Quadrangularin A, Isopaucifloral F, Pallidol, Hemsleyanol E by Snyder
... The oxonium ion then rearranged via a Friedel-Crafts type reaction to give the required 5 ... to induce a Ramberg-Bäcklund reaction . This rearrangement extruded the SO2 moiety and gave the ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn03/resveratrol-based-natural-products-snyder.shtm
Directed ortho metalation - cross coupling links. Carbamoyl rendition of the baker-venkataraman rearrangement. Regiospecific route to substituted 4-hydroxycoumarins
... The overall sequence provides a regiospecific anionic Friedel-Crafts complement for the construction of ortho-acyl phenols ... links. Carbamoyl rendition of the baker-venkataraman rearrangement. Regiospecific route to substituted 4-hydroxycoumarins Alexey ...
URL: https://www.organic-chemistry.org/abstracts/literature/667.shtm
Arrays of Stereogenic Centers: The Thomson Synthesis of (-)-Galcatin
... reniformis have traditionally been used, in Africa and Brazil respectively, to treat malaria ... /jo5001466) high enantioselectivity in the rearrangement of the enol ether 22 to 23 ...
URL: https://www.organic-chemistry.org/Highlights/2015/23February.shtm
Preparation of Heteroaromatics
... Chemical Technology is likely proceeding by a Friedel-Crafts mechanism . Sandro Cacchi and Giancarlo Fabrizi ... : 10.1016/j.tetlet.2008.06.043) the Pt-mediated rearrangement of alkynyl oxiranes such as 1 to ...
URL: https://www.organic-chemistry.org/Highlights/2009/13July.shtm
Radical Rearrangement of Aryl/Alkylidene Malononitriles via Aza Michael Addition/Decynoformylation/Addition Sequence: An Access to ?-Aminonitriles and ?-Aminoamides
... An efficient, safe, and environmentally friendly TBHP-mediated rearrangement of aryl/alkylidene malononitrile ... Organic Chemistry Portal Radical Rearrangement of Aryl/Alkylidene Malononitriles via Aza Michael Addition ...
URL: https://www.organic-chemistry.org/abstracts/lit7/639.shtm
Author: A. Corma
... OXIDES/RAY-ABSORPTION SPECTROSCOPY/NUCLEAR-MAGNETIC-RESONANCE/FRIEDEL-CRAFTS ALKYLATION/NICKEL-CONTAINING MCM-41/LIQUID-CRYSTAL TEMPLATE ... : TITANIUM PILLARED MONTMORILLONITE/PHASE BECKMANN REARRANGEMENT/SILICA MIXED OXIDES/RAY-ABSORPTION SPECTROSCOPY ...
URL: https://www.organic-chemistry.org/abstracts/authors/corma-a.shtm
Convenient Synthetic Approach to 2,4-Disubstituted Quinazolines
... 10.1021/ol062540s Abstract A photochemically induced Fries rearrangement of anilides gave several ortho-aminoacylbenzene derivatives ... were acylated. These acylamides underwent rapid microwave-assited cyclization to 2,4-disubstituted quinazolines ( ...
URL: https://www.organic-chemistry.org/abstracts/lit1/549.shtm
The Harran Synthesis of (+)-Roseophilin
... relative inertness of a monosubstituted alkene. Friedel-Crafts acylation of 5 proceeded smoothly without affecting ... to give, after oxidation and acid-mediated rearrangement, the furan 12. Selective metalation ...
URL: https://www.organic-chemistry.org/Highlights/2013/02December.shtm
Transition-metal Mediated Synthesis of Carbocycles: The Snapper Synthesis of Pleocarpenone
... . 2-Ethyl cyclopentane 9 is prochiral. Siegfried Blechert of the Technische Universität Berlin has ... /jo0701132) that the Co-supported Ferrier rearrangement he has developed can be extended to ...
URL: https://www.organic-chemistry.org/Highlights/2007/17December.shtm
Author: S. Kobayashi
... KETENE BIS(TRIMETHYLSILYL) ACETALS/FRIEDEL-CRAFTS ALKYLATION/HIGH-RATE ACCELERATION/AMINO ALCOHOL ... REACTIONS/MANNICH-TYPE REACTION/ALIPHATIC CLAISEN REARRANGEMENT Artificial urushi. S. Kobayashi, ...
URL: https://www.organic-chemistry.org/abstracts/authors/kobayashi-s.shtm
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