Acetic acid, 2-(triphenylphosphoranylidene)-, ethyl ester → HCID 53790301, 화합물

참여 물질

반응 단계

The above aldehyde (1.2 g) was dissolved in dichloromethane (40 ml) and carboethoxymethylenetriphenylphosphorane (2.4 g) was added. After 18 hours at 25° the solution was concentrated in vacuo and the residue washed with hexane. Combined hexane washings were concentrated in vacuo to give ethyl-3-(2,6-dichloro-4-pyridyl)propenoate (1.2 g). NMR 1H : 7.50(2H,d), 2.28(2H,s), 6.52(2H,d), 4 29(2H,q), 1.32(3H,t).

출처 및 근거