Nitroxynil was also prepared from p -hydroxybenzaldehyde by nitration , cyanation and iodination of the product.
由对羟基苯甲醛经过硝化、腈化和碘化反应也合成了硝碘酚腈。
The other intermediate of dyes, 2-amino-5-nitrophenol, was prepared by nitration and hydrolyze starting from benzooxozolenone. The total yield is over 70% and the purity 98.8% by the analysis of HPLC.
以苯并恶唑酮为原料，经混酸硝化、加压水解两步反应合成了2-氨基-5-硝基苯酚，总收率达70％以上。
A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed.
研究了一种五氧化二氮为硝化剂，选择性硝化缩水甘油合成缩水甘油硝酸酯的温和、高效方法。
Methods By the reactions of nitration, acylation, halogenation, condensation, a new 5-aminosalicylic acid derivative was synthesized from salicylic acid and acetaminophen.
方法以水杨酸为起始原料，通过硝化、酰化、卤化反应，与对乙酰氨基酚相偶联，合成了新的5 -氨基水杨酸衍生物。
When the infiltration ammonium concentration is high, the main factors are nitration of ammonium nitrogen by biological actions, dispersivity and permeability of the soil.
当入渗铵态氮浓度较大时，影响铵态氮迁移转化的显著因素是生物作用导致的铵态氮的硝化，以及土壤的渗透系数、弥散度等因素。
Alternatively, the 4-amino compounds are prepared by first nitration and then reduction of the appropriate steroid under appropriate reaction conditions.
另外，通过首先硝化，然后在适当反应条件下还原适当的甾类化合物制备4 -氨基化合物类。
The effects of ferric citrate and ferric oxalate on the nitration of tyrosine by peroxynitrite have been studied.
研究了柠檬酸铁和草酸铁对过亚硝酸根硝化酪氨酸反应的影响。
Nanometer tungsten nitride powders were synthesized as amm onium metatungstate by means of spray drying, calcination, milling and nitration in pure ammonia.
以偏钨酸氨为原料，采用喷雾干燥、焙烧、球磨和纯氨氮化工艺进行了氮化钨粉体制备研究。
CONCLUSION FDP can inhibit myocardial tyrosine nitration induced by ADM, and thereby reduce injury of cardiotoxicity induced by ADM.
结论FDP抑制adm导致心肌酪氨酸硝基化而减轻adm对心肌的毒性损伤。
Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities, up to a para to ortho ratio 1.0.
在皂土硝酸盐催化下，甲苯能被浓硝酸对位选择性硝化，对邻硝化产物比率达1．0以上。
A method is given for synthesis of 2,3,4 trifluoronitrobenzene from 2,3 dichloronitrobenzene by fluorination, chlorination, nitration, etc.
提出了一种以2，3-二氯硝基苯为原料，经氟化、高温氯化、硝化、再氟化反应合成2，3，4-三氟硝基苯的新工艺路线。
A method is given for synthesis of 2,3,4 trifluoronitrobenzene from 2,3 dichloronitrobenzene by fluorination, chlorination, nitration, etc.
提出了一种以2，3-二氯硝基苯为原料，经氟化、高温氯化、硝化、再氟化反应合成2，3，4-三氟硝基苯的新工艺路线。
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