硝基苯

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

以间硝甲醛,乙酰乙酸乙酯,氨化试剂。

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

以对氯硝和活性氟化钾等,经二步法合成了对氟。

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(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，对2，4-二氯硝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.

方法以对硝甲酰氯起始,经缩合、还、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.

利用零价铁的还性质,将难生物降解的有机物硝先还生成亚硝,然后再进一步还成可生物降解的。

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.

究了以硒催化剂,有机助催化剂,对氯硝和二甲反应底物,经高选择性氧化还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.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯酚、的反应比与硝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.

本文究了三氯化钛水溶液作用下,邻硝与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.

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1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝衍生物。

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.

介绍用光气和对硝在乙酸乙酯溶剂中反应来制备对硝异氰酸酯的方法，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%。