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Search results for: nucleophilic substitution
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... the authors took advantage of the marked nucleophilicity of allyl magnesium bromide (and chloride ... second alkyne led to 8. The trisubstituted alkene of 10 was set by conjugate ...
... of substituted benzyl ammonium salts with heteroatom nucleophiles, i.e. hydrogen phosphoryl compounds, ... a coupling of a wide range of substituted benzyl ammonium salts with heteroatom nucleophiles, ...
... for the preparation of potassium organotrifluoroborates through nucleophilic substitution of potassium bromo- and iodomethyltrifluoroborates ... described. Potassium halomethyltrifluoroborates have been prepared via in situ reaction of n-BuLi with dibromo ...
... an effective Lewis acid catalyst for unprecedented nucleophilic substitution of acetals with allylboronates. A ... SN1 mechanism is proposed in which a single InI center acts as a dual catalyst ...
... alcohols, ?-bromination of ketones, and nucleophilic substitution of ?-bromo ketones to give ?-amino ... . see article for more examples Key Words ?-amination , NBS ID: J54-Y2015 ...
... involves a Vilsmeier-Haack reaction with nonaromatic carbon nucleophiles. The reaction enabled the synthesis of ... more reactions Abstract A preparation of highly substituted ?-amino acids involves a Vilsmeier-Haack reaction with ...
... conditions. Preliminarily mechanistic studies suggest that nucleophilic substitution is involved in this reaction. ... article for more examples Key Words Allylboronates , Allenes , Allenylboronates ID: J54-Y2017 ...
... , intermediate ?-keto sulfones obtained via a nucleophilic substitution reaction of ?-bromoketones and sodium sulfinates ... reduced through Ru-catalyzed asymmetric transfer hydrogenation using HCOONa as a hydrogen source. This mild ...
... tolerates various functional groups on both the nucleophilic and electrophilic partner. Reactions of highly ... E- and Z-alkenyltrifluoroborates, as well as vinyl- and propenyltrifluoroborates, were successful ...
... enantioselective 1,2-addition reaction using alkenylboron nucleophiles. Addition of various potassium alkenyltrifluoroborates to ... di-, tri-, and tetrasubstituted allylic N-tosyl amines with high asymmetric induction ...
