O O o Naoh 78% H Ph 10% NaOH 85% H Ph Ph O 10% NaOH 88-93 NaOHh2o Ph H Ph 99% Ph Koh h2o H Ph 48% KOH H,O refluxPh H O O Ph O Ph H O Ph O Ph Ph O Ph H O O Ph O O Ph H O O Ph O Ph H O O Ph O Ph Ph Ph H O O Ph + 10% NaOH 78% + 10% NaOH 85% + 10% NaOH 88-93% + NaOH/H2 O 99% + KOH/ H2 O 48% + KOH/ H2 O reflux