Metotia fa'asologa ma laasaga fa'agaioiga mo le 2-phenylacetamide CAS 103-81-1

Oloa: 2-phenylacetamide

fua mole: C8H9NO

mamafa mole: 135.17

Igoa Igilisi: Phenylacetamide

Uiga: Pa'epa'e pa'epa'e po'o tioata fa'atusa laulaau.Mp 157-158 ℃, bp 280-290 ℃ (fa'aleagaina).Solu i le vai vevela ma le ethanol, solute teisi i le vai malulu, eter, ma benzene.

Fa'aoga: Va'aiga o vaila'au e pei o le penicillin ma le phenobarbital.E faʻaaogaina foi mo le saunia o le phenylacetic acid, mea manogi, ma vailaau faʻasaina.

2-Phenylacetamide

Metotia 1) Masuko F,Katsura T.US 4536599A1.1985.

Faaopopo le 117.2 g (1.0 mol) o le phenylacetonitrile (2), 56.1 g o le 25% potassium hydroxide solution, 291.5 g o le 35% hydrogen peroxide solution vai, 1.78 g o le benzyltriethylammonium chloride, ma le 351.5 g o le flask isopropanol.Fa'aoso ma tali i le 50 ℃ mo le 4 itula.A maeʻa le tali, e faʻamama le isopropanol i lalo o le faʻaitiitia o le mamafa, faʻamalo, faʻamamaina, fufulu i le vai, ma faʻagogo ina ia maua ai le faʻafefiloi (1) 128.5 g, mp 155 ℃, ma le fua o le 95%.

Metotia 2) Furniss BS,Hannaford AJ,Rogers V,et al.Vogel's Textbook of Practical Chemistry.Longman London and New York. Lomiga Lona Fa,1978:518.

Faaopopo le 100 g (0.85 mol) o le phenylacetonitrile (2) ma le 400 mL o le acid hydrochloric concentrated i le fagu tali.I lalo o le faʻamalosi, tali i le 40 ℃ mo le 40 minute, ma siitia le vevela ile 50 ℃.Fa'aauau le tali atu mo le 30 minute.Fa'alili i le 15 ℃ ma fa'aopopo i ai le 400 mL ole vai fa'amama mālūlū fa'ato'a.Fa'alili ile vai ta'ele aisa, fa'amama tioata.Fa'aopopo le malo i le 50 mL o le vai ma fa'aoso mae'ae'a e aveese ai le phenylacetic acid.Fa'amama ma fa'agogo i le 50-80 ℃ e maua ai le 95 g o le phenylacetamide (1), mp 154-155 ℃, fa'atasi ai ma le fua o le 82%.Recrystallization ma ethanol, mp 156 ℃.

Saina-Factory-Sapalai-2-Phenylacetamide-CAS-103-81-1


Taimi meli: Apr-11-2023