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

间硝基苯甲醛,乙酰乙酸乙酯,氨化试剂为。

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

氯硝基苯和活性氟化钾等为,经二法合成了氟苯胺。

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)、五氯硝基苯(PCNB)的残留量。

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

OV-17为固定液，采用填充柱气相色谱法，2，4-二氯硝基苯的氟代产物进行了成的分离和分析。

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

方法硝基苯甲酰氯为起始,经缩合、、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.

利用零价铁的性质,将难生物降解的有机物硝基苯先生成亚硝基苯,然后再进一成可生物降解的苯胺。

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.

研究了硒为催化剂,有机胺为助催化剂,氯硝基苯和二甲胺为反应底物,经高选择性氧化羰基化一合成灭草隆除草剂。

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.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与氯苯酚、苯胺的反应比与硝基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.

本文研究了三氯化钛水溶液作用下,邻硝基苯胺与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在多种硝化条件下均可制得3硝基1，2，4三唑酮5（NTO），同时合成了TO的二取代硝基苯衍生物。

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.

介绍用光气和硝基苯胺在乙酸乙酯溶剂中反应来制备硝基异氰酸苯酯的方法，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.

辛硫磷和五氯硝基苯标准偏差分别为0.06和0.14,变异系数分别为1.14%和1.34%,平均回收率分别为99.5%和99.2%。