Picoline is the by-product in the preparation of diphenylamine with aniline.
甲吡啶是
胺连续缩
成二
胺的副产物。
Picoline is the by-product in the preparation of diphenylamine with aniline.
甲吡啶是
胺连续缩
成二
胺的副产物。
N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.
以胺和溴乙烷为原料,用四乙
氢氧
铵作相转移催
剂,在常压下
成N,N二乙
胺。
A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.
利用胺-甲醛与双氰胺反应得到了一种改性产物。
A clean process for synthesizing fluobenzene with aniline was developed.
开发了以胺为原料的氟
清洁生产工艺。
Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.
以胺、邻硝
为原料,采用直接缩
法引入相转移催
剂
成邻硝
二
胺。
N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.
用四乙胺作相转移催
剂可在常压下由
胺和溴乙烷
成N,N-二乙
胺。
Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.
以对硝
和活性氟
钾等为原料,经二
法
成了对氟
胺。
A improved process of p-amino-N,N-dimethylaniline applied caustic soda solution as materials was introduced.
阐述了采用液碱(苛性钠溶液)代替氨水生产对氨-N,N-二甲
胺的方法。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用质辅助激光解吸电离飞行时间质谱法分析三
胺偶氮
物。
Metachromatic granules contain RNA and polyphosphates They are deeply stained with aniline dyes。They are characteristic features of the corynebacteria.
异染颗粒含RNA和多聚磷酸盐。用胺染料可浓染。是棒状杆菌的特点。
Dichlorofluorobenzene is prepared by diazotizating of 2,4-dichloro aniline and substituting of 2,4-dichloro diazo benzene with fluorinion.
在此概述了由2,4-二胺经过重氮
、置换制得2,4-二
氟
的生产新工艺,产品纯度达到99。
Methods To detect the sed occult blood of 200 specimens with both ortho-tolidine method and immunogold method.then analyse the results.
方法用邻联甲胺和便隐血胶体金检测试纸分别检测200例粪标本进行对照实验并分析。
The white mixture of starting materials turns green after milling, indicating the formation of polyaniline in its doped emeraldine oxidation state.
白色的初始材料混物在球磨后变成了绿色,这表明,混
物在掺杂
胺绿氧
状态下形成了聚
胺。
Organic colors related to carcinogenic aromatic amine, especially the important intermediate 3,3' dichloroaniline of organic color are discussed in details.
本文就有机颜料涉及的致癌芳香胺,特别是有机颜料的重要中间体3,3′二联
胺作详细阐述,并对其他一些生态环保问题进行探讨。
Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
为成新型热致液晶聚脲,以含液晶
元的联
二胺(或联邻甲
胺)、1,6-己二胺、2,4-甲
二异氰酸酯为原料进行
成。
Every ten nude mice were killed at 8 and 12 weeks and were examined by safranine O-fast green and toluidine blue staining.
8,12周各处死10只,行甲胺蓝和番红O-固绿染色。
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,将难生物降解的有机物硝先还原生成亚硝
,然后再进一
还原成可生物降解的
胺。
The enantioselectivity of N-dodecanoyl-L-proline-3,5-dimethyl-anilide is also good, but the basic line fluctuates strongly due to containing benzene ring in its molecular structure.
虽然用N-十二酰-L-脯氨酸-3,5-二甲
胺作添加剂,手性选择性也较好,但由于含有
环,紫外吸收增强,
线波动严重。
A synthetic method of benazolin ethyl was present with ochloroaniline, ammounium rhodanide, sulfuryl chloride, sodium nitrite and ethyl chloroacetate as the raw materials.
报道了以邻胺、硫氰酸铵、硫酰
、亚硝酸钠和
乙酸乙酯为主要原料
成草除灵乙酯的方法。
N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.
以邻甲酸和对乙氧
胺为原料,经过胺的
、二芳胺的环
、N-烷
、硫代
反应
成了N-丁
-2-乙氧
硫代吖啶酮。
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