synthesize GMAT专八GRE

METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.

方法以无水哌嗪为起始原料,经酰化、还原、化、盐等反制得盐酸特拉唑嗪。

N,N-diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

以溴乙烷为原料,用四乙基氢氧化铵作相转催化剂,在常压下N,N二乙基。

Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.

固相反了新型丙二腈类化物。

METHODS The title compound was synthesized from phthalimide by oxidation with sodium hypochlorite.

方法以邻二甲酰亚为原料经次氯酸钠氧化目标化物。

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

以对氯硝基活性氟化钾等为原料,经二步法了对氟。

A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.

用糠醇糠醛缩聚制备了新型呋喃树脂。

This proved that nitrourea was a more suitable reactant than urea to synthesize Keto-RDX.

由此表明了在生RDX酮的反过程中，硝基脲上比脲更为适的反形式。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型除草剂安磺灵的工艺进行了研究。

The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄基保护基酮为原料，经氢化，甲酰化，还原三步双甲酰沙丁醇酯。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,了6类芳氧基哒嗪类衍生物,研究了它们的方法,并测定了所得产物的除草活性。

Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.

以氯化亚矾及均四甲酸酐为主要原料通过酰氯法了对位均二甲酯二酰氯。

A clean process for synthesizing fluobenzene with aniline was developed.

开发了以为原料的氟清洁生产工艺。

Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.

由于烯二酸酐经醇解转型酯化途径了对皮肤无过敏反的反丁烯二酸桂醇甘醇酯(SGF)。

In this paper, the cedrol methyl ether was synthesized by sodamide method.

本文采用氨基钠法甲基柏木醚。

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、硫代硫酸钠溴代正丁烷为原料,了正庚醛正丁硫醇缩醛。

Borazine can be synthesized from ammonia or ammonium salt and BCl 3.

环硼氮烷可由氨或铵盐与氯化硼。

Cu furaldehyde-ethylene diamine Schiff base complex was synthesized with the yield of 63.

了一种席夫碱金属络物——呋喃甲醛乙二铜络物,收率为63。

A new curing agent was synthesized by the reaction of phenylamine-formaldehyde and dicyanodiamide.

利用-甲醛与双氰反得到了一种改性产物。

Tri (tribromophenyl) cyanurate is synthesized from Tribromophenol and Cyanuric Chloride.

摘要由三聚氯氰三溴酚反制得化物三（三嗅酚）氰尿酸酯。

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并了一类新型末端氰基取代含氟二乙炔类液晶。