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Search results for: nucleophilic substitution

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... ?-diazo ketones proceeds through a protonation/nucleophilic substitution sequence in the presence of p-toluenesulfonic ... and potassium ethyl xanthogenate as the nucleophile. The reaction provides a broad variety of ...
URL: https://www.organic-chemistry.org/abstracts/lit8/159.shtm
... role of DBU as Brønsted base and nucleophilic Lewis base is the key for the ... DBU-Mediated Construction of 1,3 ,5-Trisubstituted Benzenes via Annulation of ?,?-Unsaturated ...
URL: https://www.organic-chemistry.org/abstracts/lit6/536.shtm
... Direct Coupling of Diaryliodonium Salts with Phosphorus Nucleophiles at Room Temperature Jian Xu, Pengbo ... . With unsymmetrical iodonium salts, nucleophilic substitution occurs preferentially on the sterically hindered aromatic ...
URL: https://www.organic-chemistry.org/abstracts/lit4/141.shtm
... ) Mechanism: A New Mechanism for Nucleophilic Substitution. H. C. van ... Plas, Acc. Chem. Res., 1978, 11, 462. ...
URL: https://www.organic-chemistry.org/abstracts/authors/van-der-plas-h-c.shtm
... Baylis-Hillman reaction , allenes , catalysis, nucleophiles, guanidines, cyclization ID: J60-Y2013 ... ?,?-Dialkyl-Allenoates: Access to Densely Substituted Heterocycles Philipp Selig*, Aleksej Turockin ...
URL: https://www.organic-chemistry.org/abstracts/lit4/259.shtm
... Alcohols and Amines Convergent coupling of a nucleophile with an aldehyde ideally will proceed with ... /ol050890t) a new route to substituted allyl donors, based on alkenyl addition ...
URL: https://www.organic-chemistry.org/Highlights/2006/17July.shtm
... ring of the phenylazocarboxylate is reactive with nucleophiles. In contrast, triazene-activated benzene rings ... Douglass F. Taber University of Delaware Substituted Benzenes: The Alvarez-Manzaneda Synthesis of ( ...
URL: https://www.organic-chemistry.org/Highlights/2012/08October.shtm
... for more reactions Abstract The cyclopropenone catalyzed nucleophilic substitution of alcohols by methanesulfonate ion with ... Organic Chemistry Portal Cyclopropenone Catalyzed Substitution of Alcohols with Mesylate Ion Eric D. ...
URL: https://www.organic-chemistry.org/abstracts/lit3/892.shtm
... : 10.1021/ol201811d Abstract The silicon nucleophile generated by copper(I ) - ... (I ) -Catalyzed Regioselective Propargylic Substitution Involving Si-B Bond Activation Devendra J. ...
URL: https://www.organic-chemistry.org/abstracts/lit3/367.shtm
... Organic Chemistry Portal Palladium-Catalyzed Sequential Nucleophilic Addition/Oxidative Annulation of Bromoalkynes with Benzoic ... annulation of bromoalkynes with benzoic acids provides 3-substituted isocoumarins. see article for more examples ...
URL: https://www.organic-chemistry.org/abstracts/lit5/973.shtm
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