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Ethers, ketoxime methyl deprotonation

Unsymmetrical ketoximes or ketoxime methyl ethers undergo rapid deprotonation to give syn dianions or monoanions, which react regioselectively with electrophilic reagents. ° ° Axial alkylation is observed in conformationally rigid systems. Aldoximes can also be converted to their dianions and alkylated in high yields. ... [Pg.35]

Ketoximes are known to behave in some cases as C-H acids, for example, they are metalated across the a-CHj and CH2 groups (Scheme 1.196) [278,281,401,402], RegioselecUve deprotonation of ketoxime methyl ethers, namely, proton abstraction from the cis-position relative to the methoxy group, has been noted (Scheme 1.197) [278]. [Pg.123]

See other pages where Ethers, ketoxime methyl deprotonation is mentioned: [Pg.284]   
See also in sourсe #XX -- [ Pg.3 , Pg.35 ]

See also in sourсe #XX -- [ Pg.35 ]

See also in sourсe #XX -- [ Pg.3 , Pg.35 ]



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