The butylated hydroxyanisole-nitrite reaction: Effects on N-nitrosodimethylamine formation in model systems.
作者:TSUTAO KURECHI、KIYOMI KIKUGAWA、TETSUTA KATO
DOI:10.1248/cpb.28.1314
日期:——
Butylated hydroxyanisole (BHA) prevented the formation of N-nitrosodimethylamine from dimethylamine and nitrite in a heterogeneous emulsion system. The reaction between BHA and nitrite was shown to yield 8 compounds, including 1-hydroxy-2-t-butyl-4-methoxy-6-nitrobenzene (I) as a major product.
A new method for the mononitration of phenol derivatives by poly(4-vinylpyridinium nitrate) and silica sulfuric acid under mild conditions
作者:Hamid Goudarziafshar
DOI:10.1016/j.cclet.2012.01.032
日期:2012.4
This procedure works efficiently for high selective mono nitration of phenol and substituted phenol to corresponding nitro compounds in moderate to high yield using poly(4-vinylpyridinium nitrate) and silica sulfuric acid in dichloromethane at room temperature. (C) 2012 Hamid Goudarziafshar. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.