规格:95%
用途:基础原料、有机中间体、医药中间体
合成工艺如下:
triphenylphosphine; tetrahydrofuran;
Reactants are commercially availlable.
Peerce, Brian E., US2003/162753, A1, (2003), |7116610, Patent, Board of Regents, The University of Texas System, US6355823, B1, (2002) Example 7 Synthesis of NHPP from Dimethoxyphenol 2 g of dry 3,5-dimethoxyphenol was dissolved in 25 mL dry THF and cooled in an ice bath. To this solution was added 2.25 g of diethylazodicarboxylate ( DEAD), 6 g of triphenylphosphine and 1 mL of ammonium chloride (NH4Cl). The mixture was stirred for 20 minutes. The mixture was warmed to room temperature and stirred for an additional 30 minutes. S ilica gel was added to remove DEAD, triphenylphosphine, and excess ammonia, yielding 3,5-dimethoxyaniline.
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