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Benzylic organocopper reagents

Benzylic organocopper reagents, CJHsCH,Cu(CN)ZnBr (1). Preparation ... [Pg.225]

Scheme 6.4. Diastereoselectivity in conjugate addition of organocopper reagents to alkoxy-substituted cyclohexenones 20 and 21 (Bn = benzyl, TBS = t-butyidimethylsilyl). Scheme 6.4. Diastereoselectivity in conjugate addition of organocopper reagents to alkoxy-substituted cyclohexenones 20 and 21 (Bn = benzyl, TBS = t-butyidimethylsilyl).
The coupling reaction of various aryl organocopper(I) reagents, prepared in situ from aryl bromides, with diethyl chloromethylphosphonate in THF at reflux affords the desired benzylic phosphonates in 52-69% yields (Scheme 3.57). When chloromethylphosphonate is replaced by iodomethylphosphonate the yield drops to 31%. ... [Pg.109]

See other pages where Benzylic organocopper reagents is mentioned: [Pg.896]    [Pg.52]    [Pg.99]    [Pg.52]    [Pg.1049]    [Pg.220]    [Pg.419]    [Pg.337]    [Pg.529]    [Pg.39]    [Pg.296]    [Pg.540]    [Pg.140]    [Pg.468]    [Pg.36]    [Pg.468]    [Pg.209]    [Pg.415]    [Pg.468]    [Pg.153]    [Pg.15]    [Pg.15]    [Pg.55]    [Pg.205]    [Pg.8]    [Pg.15]   
See also in sourсe #XX -- [ Pg.225 ]



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