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Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.是什么意思?
Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.
方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.
相关词汇
methods
acetophenone
is
synthesized
with
hydroxy
and
as
materials
methanol
solvent
methods
n. method的复数:方法,方法( method的名词复数 ),方法论,教学法,分类法;
acetophenone
n. 乙酰苯,苯乙酮,苯基甲基甲酮;
is
vt.& vi. 是(be的三单形式;n. 存在;
synthesized
--
with
prep. 和,跟,随着,关于,和…一致;
hydroxy
adj. 氢氧根的,羟基的;
and
conj. 和,与,而且,于是,然后,因此;
as
adv. 同样地,一样地,例如;prep. 作为,以…的身份,如
materials
n. 材料( material的名词复数 ),布料,衣料,[哲学] 物质;
methanol
n. 甲醇;
solvent
n. [化]溶剂,溶媒,解释,说明,解决方法,使瓦解的东西;adj. 有溶解能力的,可溶解的,有清还债务能力的,起瓦解作用的;
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿,听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘,一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时,可以向商业票据的背书人要求支付的权力。
相关例句
Today I will do what others won't, so tomorrow I can accomplish what others can't.--Jerry Rice
今天我做了别人不愿做的事,明天我就能做到别人所不能做的事。
Acetic acid is formed as an intermediate in the anaerobic fermentation of carbohydrates, proteins, and fats.
醋酸是碳水化合物, 蛋白质和脂肪在厌氧发酵时所形成的中间体.
Chinese company started building a highway northwards out of Accra.
一家中国公司着手建设自阿克拉向北的高速公司.
Water soluble hydroxypropyl � � cyclodextrin was converted to acetonyl hydroxypropyl � � cyclodextrin via selective oxidation.
通过选择性氧化,将水溶性优良的羟丙基β环糊精转化为丙酮基羟丙基β环糊精.
Thus , this reduced temperature of reaction and increased the rate of acetophenone.
降低反应温度,提高了苯乙酮的收率.
OBJECTIVE : To the assay triamcinolone acetonide acetate in Quwan solution.
目的: 测定“去万溶液”中醋酸曲安奈德的含量.
The necessary material of 2 - ( 2 - methoethyl ) acetaldehyde diethyl acetal was synthesized in addition.
另外还合成了必需原料 2- ( 2- 甲氧基乙氧基 ) 乙醛二乙醇缩醛.
The vacuum degas unit consists of vacuum degas machine, vacuum pump and acentric pump.
真空脱气机组包括真空脱气机 、 真空泵及离心泵.
The accountability of South Africa on this issue is clear.
显然,南非有责任就这一问题作出解释.
He's not a bad chap—quite human for an accountant.
这个家伙人不坏——就会计来说已经很有人情味了。
She was dismissed in accordance with the company's usual displinary procedures.
按照公司一般纪律程序,她被解雇了.
He went to Accra, the capital, to meet with bankers and businesspeople.
他前往首都阿克拉会见银行家和实业家.
Conclusions The development of acetabular anteversion in children is a slow process.
结论髋臼前倾角的发育在儿童期较为缓慢.
The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc.
最常用的羟基保护基可归纳为三类:酯类 、 醚类和缩醛或缩酮类.
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