3'-phenoxy-4'-fluoro-α'-cyanobenzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropane-carboxylate; sodium perchlorate; potassium hydrogencarbonate in dichloromethane; water; acetonitrile

sodium amalgam in sodium hydroxide 2.5 h;

1: KOH / ethanol / 0.75 h / Heating 2: sodium amalgam / aq. NaOH / 2.5 h View Scheme

1: K2CO3 / butan-2-one / 4 h / Heating 2: KOH / ethanol / 0.75 h / Heating 3: sodium amalgam / aq. NaOH / 2.5 h View Scheme

1: potassium carbonate / acetonitrile 2: Petroleum ether 3: potassium carbonate; 3-chloro-benzenecarboperoxoic acid / Petroleum ether; chloroform 4: 3'-phenoxy-4'-fluoro-α'-cyanobenzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropane-carboxylate; potassium hydrogencarbonate; sodium perchlorate / acetonitrile; water; dichloromethane View Scheme

1: Petroleum ether 2: potassium carbonate; 3-chloro-benzenecarboperoxoic acid / Petroleum ether; chloroform 3: 3'-phenoxy-4'-fluoro-α'-cyanobenzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropane-carboxylate; potassium hydrogencarbonate; sodium perchlorate / acetonitrile; water; dichloromethane View Scheme

1: potassium carbonate; 3-chloro-benzenecarboperoxoic acid / Petroleum ether; chloroform 2: 3'-phenoxy-4'-fluoro-α'-cyanobenzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropane-carboxylate; potassium hydrogencarbonate; sodium perchlorate / acetonitrile; water; dichloromethane View Scheme