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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