Reaction of R-2 butanol with p-toluensulphony l chlroide in pyridine followed by reaction

Reaction of R-2-butanol with p-toluenesulphonyl chloride in pyridine followed by reaction with LiBr gives:

Reaction of R-2- butanol with p-toluenesulphonyl chloride in pyridine then LiBr gives :

Reaction of R-2-butanol with p-toluenesulphonyl chloride in pyridine then LiBr gives:

The reaction of p-aminophenol with one mole of acetyl chloride in presence of pyridine gives

The reaction of p-aminophenol with one mole of actyl chloride in presence of pyridine gives: