硝基苯

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间苯甲醛,乙酰乙酸乙酯,氨化试剂原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以苯和活性氟化钾等原料,经二步法合成了氟苯。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17固定液，采用填充柱气相色谱法，2，4-二苯的氟代产物进行了成功的分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以苯甲酰起始原料,经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还原性质,将难生物降解的有物苯先还原生成亚苯,然后再进一步还原成可生物降解的苯。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒催化剂,有助催化剂,苯和二甲反应底物,经高选择性氧化还原羰化一步合成灭草隆除草剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由理分析和宏观CODCr降解率难易程度比较可知高铁酸根与苯酚、苯的反应比与苯的反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三化钛水溶液作用下,邻苯与1,2-二酮在碱性介质中分子间的成环反应,提供了一个方便地合成取代喹喔啉类化合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种化条件下均可制得31，2，4三唑酮5（NTO），同时还合成了TO的二取代苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和苯在乙酸乙酯溶剂中反应来制备异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五苯标准偏差分别0.06和0.14,变异系数分别1.14%和1.34%,平均回收率分别99.5%和99.2%。