Reference of 15833-00-8 , The common heterocyclic compound, 15833-00-8, name is 2-(2-Aminophenyl)propan-2-ol, molecular formula is C9H13NO, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route.
112 g (1.13 mol) phosgene are piped into 500 mL THF. Then a solution of 52 g (0.34 mol) 2-(2-amino-phenyl)-propan-2-ol, prepared from 2-aminoacetophenone and methylmagnesium iodide, in 300 mL THF is added. The reaction mixture is left to stand overnight, concentrated by evaporation and combined with 500 ml of pyridine. After the pyridine has been distilled off the remainder is combined with water and extracted with diethyl ether. The organic phases are washed successively with 2 N hydrochloric acid, sodium hydroxide solution and water, dried with sodium sulphate and concentrated by evaporation. The residue remaining (46 g) is further reacted directly, without any more purification. M.p. (toluene/petroleum ether)=109-110 C.
The synthetic route of 15833-00-8 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; Boehringer Ingelheim International GmbH; US2007/37781; (2007); A1;,
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