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zch1023

银虫 (初入文坛)

[求助] 翻译求助

请大家帮我翻译下面一段话!非常感谢!
     在闭环反应中2-(β-萘氧甲基)-3-喹啉酸(2b)有两个位置可以闭环,既a位和b位所以有两种产物3b和3c. 其方程式如Scheme 2. 我们通过1H NMR发现2-(β-萘氧甲基)-3-喹啉酸的分子内闭环反应发生在a位,在1H NMR谱图上只看到δ 8.97有一个单峰,即化合物3b的14位上,其1H NMR见图1. 如果在b位闭环时芳环区域的化学位移应该有三个单峰,即化合物3c的8位、13位和15位. 所以可以判断2b是在a位闭环的,即产物3b. 这和理论上也是吻合的,因为a位电子密度大于b位,当发生亲电取代反应时应在a位闭环

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ghx2156

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iamzane(金币-1,VIP+0):请勿照搬翻译软件(譬如XX快译等的自动译作)进行不负责任的应助,否则按捣乱论处,给予相应处罚!
In the middle of shutting wreath reaction 2-(the β -Mao oxygen A radicle)-3-the Mao Mao is sour(2 bs) to have two positions can shut wreath, since an and b so have two kinds of outcomes 3 bs and 3 cs.Its equation such as Scheme 2.We pass a 1 H, NMR discovers 2-(the β -Mao oxygen A radicle)-3-shut wreath reaction inside the Mao Mao sour member the occurrence is in the a, at 1 H NMR the table diagram is last to see δ 8.97 have a single Feng, namely 14 of the compound 3 bs up, it 1 H NMR see figure 1.If the chemistry of Fang wreath district moves to have three single Fengs when the b shuts wreath, namely 8 of the compound 3 cs and 13 and 15.So can judge a 2 bs to shut wreath in the a, namely outcome 3 bs.This and theoretically also fit together, because an electronics density is bigger than a b and be occurrence in person electricity should shut wreath in the a while replacing reaction
2楼2008-11-17 20:52:34
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zch1023

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你好

非常感谢你!
但我感觉翻译的不对 呀?
能不能给我修改?
3楼2008-11-18 09:08:33
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