diethylamine in dichloromethane T=0°C; Irradiation; Title compound not separated from byproducts;

potassium hexamethylsilazane in diethylene glycol dimethyl ether T=-78°C; other reagent: LDA,var.quant. HMPA, solvent THF, DMF. Object: isomerization reaction of (E)-2 alkenoate to (Z)-3 alkenoate.; Product distribution;

potassium hexamethylsilazane in tetrahydrofuran T=-78°C; 2 h; isomerisation of E to Z isomer, also with other dodecenoates, varying base, solvent, temperature and time; Product distributionMechanism;

Yield given. Multistep reaction;

24 h; Heating;

1: 73 percent / LiAlH4 / diethyl ether 2: 56 percent / pyridinium chlorochromate / CH2Cl2 / 2 h View Scheme