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Search results for: *dipolar cycloaddition

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13 pages of results.
... 10.1055/s-2003-44354 Abstract A 1,3-dipolar cycloaddition of phenyl vinylic selenide to nitrile ... and subsequent oxidation-elimination furnished 3-substituted isoxazoles with good yields in a one-pot, two-step transformation ...
URL: https://www.organic-chemistry.org/abstracts/literature/279.shtm
... . The convergent construction of 1 by dipolar cycloaddition presented some interesting challenges. One ... was prepared from 3-methylcyclohexenone (4). Addition of Et 2 AlCN followed by ...
URL: https://www.organic-chemistry.org/Highlights/2007/06August.shtm
... corresponding diazo compound, leading, via dipolar cycloaddition, to the adduct 17. ... 73, 5944.) the photochemical cycloaddition of 4 and 5 to give, ...
URL: https://www.organic-chemistry.org/Highlights/2009/31August.shtm
... that an organocatalyst could also mediate the dipolar cycloaddition of a diazo ester 18 to ... unsaturated aldehyde, to give 19 with high diastereo- and enantiocontrol. Francesco Fini ...
URL: https://www.organic-chemistry.org/Highlights/2010/26July.shtm
... . Key Words: INTRAMOLECULAR 1,3-DIPOLAR CYCLOADDITION/ENANTIOSELECTIVE TOTAL SYNTHESIS/OXIME ... Chemistry Portal Optically active isoxazolidines via asymmetric cycloaddition reactions of nitrones with alkenes: Applications ...
URL: https://www.organic-chemistry.org/abstracts/authors/frederickson-m.shtm
... of 3 could be assembled by intramolecular dipolar cycloaddition, converting 1 to 2. ... successful completion of the synthesis also enabled the full establishment of the relative configuration of ...
URL: https://www.organic-chemistry.org/Highlights/2013/05August.shtm
... 2 and thus 3 by the intramolecular dipolar cycloaddition of the diazoalkane derived from the ... 1. The initial cyclopentene was prepared from commercial 4 following the Williams procedure. ...
URL: https://www.organic-chemistry.org/Highlights/2015/06April.shtm
... REAGENT/GLYOXYLATE-ENE REACTION/1,3-DIPOLAR CYCLOADDITION REACTIONS/ENANTIOSELECTIVE MUKAIYAMA-ALDOL/TETRACYCLIC ... BASES/ALPHA-AMINO-ACIDS/STEREOSELECTIVE SYNTHESIS K. A. Jorgensen, in Cycloaddition Reactions ...
URL: https://www.organic-chemistry.org/abstracts/authors/jorgensen-k-a.shtm
... [3+2/1,3-DIPOLAR Hetero-Diels-Alder Reaction in Highly Functionalized Natural Product ... ,4/R-C-C-C=O Polar Cycloadditions. R. R. Schmidt, ...
URL: https://www.organic-chemistry.org/abstracts/authors/schmidt-r-r.shtm
... Benzotriazoles, Click Chemistry, 1,3-dipolar Cycloaddition ID: J54-Y2008-1590 ... ) Abstract A [3+ 2 cycloaddition of azides to benzynes affords a rapid ...
URL: https://www.organic-chemistry.org/abstracts/lit2/148.shtm
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