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Methylene bromide-Zinc-Titanium

Methylene-2-azetidonones, 536 Methylene bromide-zinc-titanium(IV) chloride, 337-338... [Pg.336]

M ETHYLENATION Dimethoxymethane. Dimethyl methylphosphonate. Methylene bromide-Zinc-Titanium(IV) chloride. Methylenetriphenylphosphorane. N-Methylphenylsulfonimidoylmethyllithium. Titanium(O). N,N,P-Trimethyl-P-phenylphosphinothioic amide. Trimethylsilylmethyllithium. [Pg.648]

A 2-methoxyethoxymethyl ether (MEMOR) is normally prepared under non-acidic conditions in methylene chloride solution or under basic conditions. The MEM ether group can be removed in excellent yield with trifluoroacetic acid (TEA) in dichloromethane (1 1). The MEM group can also be removed by treatment with zinc bromide (ZnBr2), titanium chloride (TiCU) or bromocatechol borane. When MEM-protected diols are treated with zinc bromide (ZnBr2) in ethyl acetate, 1,3-dioxane is formed and a mechanism of this reaction is given in Scheme 1.23. [Pg.31]

See other pages where Methylene bromide-Zinc-Titanium is mentioned: [Pg.511]    [Pg.322]    [Pg.322]    [Pg.511]    [Pg.322]    [Pg.322]    [Pg.318]    [Pg.185]    [Pg.819]    [Pg.25]   


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Methylenation titanium-zinc

Methylene bromide

Methylene bromide-Zinc-Titanium chloride

Titanium bromide

Zinc bromide

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