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Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.是什么意思？

Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.

2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.

相关词汇
methyl was synthesized from pentyl cyclopentanone and malonate by condensation

methyl

n. 甲基，木精；
例句
The extraction mechanism of palladium in chloride system by di ( 1 - methyl heptyl ) acetamide ( N _ ( 503 )) has been studied.
本文研究了N, N二 甲庚基乙酰胺 ( N_ ( s03 ) )从氯化物体系中萃取钯的机理.

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；
例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

synthesized

--
例句
Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；
例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

pentyl

--
例句
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.

cyclopentanone

n. 环戊酮；
例句
Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied.
比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料.

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

malonate

n. 丙二酸；
例句
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.
2-戊基环戊烯酮再与丙二酸二甲酯缩合,脱羧得到二氢茉莉酮酸甲酯.

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；
例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

condensation

n. 冷凝，冷凝液，凝结的水珠，节略；
例句
He used his sleeve to wipe the condensation off the glass.
他用袖子擦掉玻璃上凝结的水珠。
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。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
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。
Supporters of the death penalty argue that it would deter criminals from carrying guns...
死刑的支持者认为它能阻吓罪犯携带枪支。
相关例句
I stepped outside and pulled up my collar against the cold mist...
我走出门，竖起衣领抵御冷雾。
Scarcely had they left before soldiers arrived armed with rifles.
他们刚离开，扛着步枪的士兵们就到了。
I'm disenchanted with the state of British theatre at the moment.
我对英国戏剧当下的状况不再抱有幻想。
Pleiades are approximately 440 light - years away and the Hyades are about one - third that distance: 150 light - years .
昴星团(离地球)大约有440 光年 远,而毕星团则大约是此距离的 三分之一: 150 光年.
He looks terribly grave.
他脸色很严肃。
I have taken two years over this book.
我花了两年写这本书。
Stooping down, he picked up a big stone and hurled it.
他俯身捡起一块大石头扔了出去。
This is a nationwide campaign to recruit women into trade unions.
这是一次吸收妇女参加工会的全国性运动.
She looked at us in some perplexity.
她有点困惑不解地看着我们.
The high interest rates helped to bolster up the economy.
高利率使经济更稳健.