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Aldehydes continued reductive coupling reactions

Pinacol formation from carbonyl compounds promoted by Smij continues to interest chemists. In the presence of methyl chloroformate the products are cyclic carbonates. In a cyclitol synthesis the diastereoselectivity for cyclization is found to be dependent on the a-substituents of the aldehyde groups. Lithium halides (chloride, bromide) have a profound effect on the reactivity of Sml2 and the pinacol coupling is favored. The reduction and pinacol coupling of ketones in THF is accelerated by MejSiCl (reaction time from hours reduced to a few minutes)." ... [Pg.327]

See other pages where Aldehydes continued reductive coupling reactions is mentioned: [Pg.515]    [Pg.23]    [Pg.224]    [Pg.6]    [Pg.417]    [Pg.160]    [Pg.182]    [Pg.6]    [Pg.159]    [Pg.32]    [Pg.41]    [Pg.2396]    [Pg.47]    [Pg.22]    [Pg.41]    [Pg.2396]    [Pg.13]   


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Aldehydes continued

Aldehydes coupling

Aldehydes reduction

Aldehydes reduction reactions

Aldehydes reductive

Aldehydes reductive reactions

Continuous reactions

Reduction Reductive coupling

Reduction continued)

Reduction couple

Reductive coupling reactions

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