In the fourth chapter, 5-phenyl-1, 2, 4-triazine(3) was synthesized from(5-phenyl-1, 2, 4-trizin-3-yl)hydrazine in the presence of sodium ethoxide firstly. Themerit of this process was simplification of operation and good yield (more than 90%), which to our knowledge has not been reported so far in literature.
第四章首先以(5-苯基-1，2，4-三嗪-3-基)肼为原料，在乙醇钠作用下经一步反应，合成了化合物5-苯基-1，2，4-三嗪(3)；该法操作简单，产率高(＞90％)，迄今未见文献报道。
METHODS Starting from ethyl cinnamate, ring-closing with hydrazine hydrate to gain5-phenyl-3-pyrazolidone derivatives, then condensation and reduction to gain1-substituted benzyl-5-phenyl-3-pyrazolidone derivatives.
方法］ 以肉桂酸乙酯为原料，与水合肼环合反应得5-苯基-3-吡唑烷酮，再经缩合及还原得6种1-取代苄基-5-苯基-3-吡唑烷酮衍生物，采用最大电惊厥法测定其抗惊厥活性。
The sodium salt condensed with phenyl hydrazine in the acid condition to prepare 1 phenyl 3 carbethoxy 5 pyrazolone.
用此盐与苯肼在酸性条件下进行加成缩合反应可制得 1 苯基 3 羧酸乙酯 5 吡唑啉酮。
Fluoroalkyl-4H-pyrazolo [5, 1-b] quinazolin-9-ones and 3-fluoroalkyl-1-phcnyl-1, 9-dihydro-pyrazolo [3, 4-b] quinolin-4-ones were synthesized respectively in high yields from the reactions of 2- [1-hydropolyfluoro-1-alkenyl] -bcnzo [1, 3] oxazin-4-ones with hydrazine hydrate and phenyl hydrazine.
第一部分，首先以2-氟烷基乙酸为原料合成了2-（1-氢-多氟烯基）-苯[1，3]噁嗪-4-酮，然后详细地研究了在不同条件下后者与各种双亲核试剂的反应，得到了一些有用的含氟含氮杂环化合物。
L-Phenyl-3-methyl-5-pyrazoIone was synthesized by the reaction of ethyl acetoacetate and phenyl hydrazine in ethanol.
在无水乙醇的存在下，乙酰乙酸乙酯和苯肼为原料合成标题化合物。
Synthesis of the phenylhydrazone, oxime and semicarbazonederivatives of calix[4]arenesThe reaction of p-formylcalix[4]arenes with phenyl hydrazine, hydroxylamine hydrochloride or semicarbazide hydrochloride afforded thephenylhydrazone, oxime or semicarbazone derivatives of calix[4]arenes, respectively.
酯型杯[4]冠醚的全醚化及性能研究利用氢化钠作为碱，对酯型杯[4]冠醚剩余酚羟基进行烷基化，合成中性杯芳烃酯型冠醚，初步研究了其对金属离子、有机阳离子和中性分子的识别情况，发现其对这些底物缺乏有效作用能力。
-phenyl methane sulfonate (ZJ0967) as a novel insecticide was synthesized by using 4-chlorobenzoyl chloride, methoxybenzene, methane sulfonyl chloride, hydrazine hydrate, and 2-butanone as starting materials. The structure of ZJ0967 was confirmd by 1H NMR, MS and elemental analysis.
以对氯苯甲酰氯、苯甲醚、甲基磺酰氯、水合肼、丁酮等为原料合成了新型杀虫剂甲磺虫腙（试验号：ZJ0967），其化学名称为甲磺酸－4-[（4-氯代苯基）－－甲基]苯酯，其结构经1H NMR、MS和元素分析确认。
Adiabatic stability analysis of benzoyl hydrazine and p-Nitro phenyl hydrazine
苯甲酰肼与对硝基苯肼的热稳定性分析
The oxygen absorption and oxidation of acrylic esters will promptly increase in the presence of phenyl hydrazine and polymerization will proceed by using 0.1-1% of phenyl hydrazine.
苯肼存在下丙烯酸酯的吸氧和氧化速度迅速增加，苯肼浓度约0.1&1.0%范围时，并发生聚合。
This paper studied that liquid natural rubber (LNR) was prepared respectively by four types of oxidative degradation agents (phenyl hydrazine, nitrobenzene-hydrogen peroxide, potassium persulfate-propionaldehyde and periodic acid).
本文采用四种降解体系（苯肼、硝基苯-过氧化氢、过硫酸钾-丙醛和高碘酸）制备液体天然橡胶（LNR）。
Ophenyl phenol, ophenyl phenol sodium salt tetrahydrate, 7ADCA, 2ethyl phenyl hydrazine hydrochloride, 2, 3dihydrofuran, 7ethyl3(2hydroxy ethyl)indole, methyl ester of etodolac; 1, 8diethyl1, 3, 4, 9tetrahydropyrano[3.4b] indole1acetic acid methyl ester, 5chloro2methoxy benzoic acid, 4(2aminoethyl)benzene sulfonamide, 5cyano phthalide, phthalhydrazide, 9thioxanthenone, n[(1, 4benzodioxane2yl)carboxyl]piperazine HCL, 2chloro4amino6, 7dimethoxyquinazoline, 2chloro benzimidazole, 1(4fluorobenzyl)2chlorobenzimidazole, 2methylthio4pyrimidone, 5amino4imidazole carboxamide HCL, 6chloro2hexanone, 11oxo6.11hydrodibenzothiepin, 6, 11dihydrodibenzooxepin11one, 10, 11dihydrodibenzocyclohepten5one; dibenzosuberone, dibenzo cyclohepten5one; dibenzosuberenone, 3, 5dihydroxy benzoic acid, 3, 5dihydroxy benzyl alcohol, 2mercapto benzimidazole, 3, 4dihydroxy benzaldehyde, 3, 4dihydroxy benzonitrile, 2amino5chloro benzonitrile, 2(4chlorophenoxy)ethyl chloride, 2(4chloro phenoxy)tert, butane, ditrimethylol propane; DTMP, 2, 2bis(4hydroxyphenyl)butane; bisphenol B, 1, 1'bis(4hydroxyphenyl)cyclohexane; bisphenol Z, tetrabromobisphenolS, 3, 5ditertbutyl salicylic acid, 3, 4, 5trihydroxy benzoic acid stearyl ester, 1, 2, 4trimethoxybenzene.
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