Butyl bromide → HCID 21421686, compound

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Reaction Steps

1 Part of 4-(4-hydroxyphenyl)-2,2,6,6-tetramethylpiperidine was dissolved in warm ethanol and treated with 0.172 parts of sodium hydroxide dissolved in ethanol. The solution was stirred and heated to reflux whilst 0.65 parts of n-butyl bromide dissolved in ethanol was added. The solution was heated at reflux overnight and then evaporated under reduced pressure. The residue was dissolved in ether and washed with water, sodium hydroxide solution (3%) and further water. The organic layer was dried (MgSO4) and evaporated under reduced pressure. The residue was distilled to yield the desired product having b.p. 160°/0.2 mm. and the following elemental analysis:

Provenance & Evidence