Trimethyloxonium tetra FLUOROBORATE

Electrolytic reduction, apparatus, 52, 23 Enol acetates, acylation of, 52,1 Enol esters, preparation, 52, 39 Epichlorohydrin, with boron trifluoride diethyl therate and dimethyl ether to give trimethyloxonium tetra-fluoroborate, 51,142 ESTERIFICATION OF HINDERED ALCOHOLS f-BUTYL p-TOLUATE,... [Pg.74]

Although some electrophilic reagents cause substitution in the ring at C-3 and C-5, very reactive compounds, such as trimethyloxonium tetra-fluoroborate Meerwein s reagent)and nitronlum tetraHuo-... [Pg.61]

Methylation of the sulfur atom of thietanes 59a-c with trimethyloxonium tetra-fluoroborate gives the unstable salts A stable methiodide salt of... [Pg.509]

Trimethylchloroalane, 50,107 Trimethylcydohexanones, reduction to axial alcohols, 50,15 Trimethyleneimine, 53,13 TRIMETHYLOXONIUM TETRA-FLUOROBORATE, 51,142... [Pg.78]

Methylation of methylselanyl- and phenylselanylcyclopropanes took place on reaction with either trimethyloxonium tetrafluoroborate or a mixture of iodomethane and silver(I) tetra-fluoroborate resulting in Se-C bond formation.Yields close to 80% of the (1-decylcyclo-propyl)dimethyl- or (l-decylcyclopropyl)methylphenylselenonium tetrafluoroborate were obtained. [Pg.1715]

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