Hot Tags: 2-Bromo-1-phenyl-1-pentanone CAS 49851-31-2 Kev Ruaj Ntseg Kev Ruaj Ntseg Hoobkas ncaj qha muag Hoobkas loj Tshuag Pharmaceutical intermediate

2-bromo-1-phenyl-1-pentanone yog derivative ntawm valerone. Nws tuaj yeem siv ua tshuaj intermediates.

Nyob rau hauv chav tsev kub, 16.2g (0.1mol) ntawm phenopentanone thiab 30.9g (0.3mol) ntawm sodium bromide tau ntxiv rau hauv 500mL round-bottomed flask, thiab tom qab stirring zoo, 24g (0.2mol) ntawm 30% hydrochloric acid tau ntxiv, thiab 19g (0.15mol) ntawm 30% hydrogen peroxide tau maj mam ntxiv. Tom qab poob, cov tshuaj tiv thaiv txuas ntxiv rau 1 ~ 2 teev. Tom qab cov tshuaj tiv thaiv tau saib xyuas los ntawm TLC, lub stirring tau nres thiab stratified, ntxuav nrog saturated sodium carbonate thiab saturated ntsev dej raws, ua ke nrog organic theem, concentrated thiab qhuav nrog anhydrous magnesium sulfate kom tau 2-bromo-1-phenyl-1- pentanone, ci daj oily kua nrog 95% tawm los thiab 98% purity