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sjsjsj2007金虫 (著名写手)
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[求助]
求助查找Conclusion and prospective中的错误点，每指出一点错误都有奖励
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Because of its synthetic and unique pharmaceutical importance, a continuous development in the synthesis of new enaminones is a growing area research. An impressively diverse range of efficient enaminones synthesis based on new metal-catalyzed condensation reactions or other reactions of appropriate precursors have been developed during past years. However, a plethora of new synthetic methods for preparing enaminones including classical syntheses suffer from low yields, use of expensive or not readily starting materials and exhibit limit substrate tolerance[35]. Therefore, it seems highly desirable to find an efficient, simple and general protocol for the synthesis of enminones。 [ Last edited by sjsjsj2007 on 2011-6-14 at 15:48 ] |
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zerohead
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2楼2011-06-14 17:51:37
zerohead
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3楼2011-06-14 17:53:52
zerohead
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4楼2011-06-14 17:55:21
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sltmac(金币+1): 谢谢交流~ 2011-06-15 08:09:45
sjsjsj2007(金币+2): 2011-06-20 20:43:41
sltmac(金币+1): 谢谢交流~ 2011-06-15 08:09:45
sjsjsj2007(金币+2): 2011-06-20 20:43:41
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5楼2011-06-15 08:00:35
shirongjiu
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sltmac(金币+1): 谢谢交流~ 2011-06-15 08:09:57
sltmac(金币+1): 谢谢交流~ 2011-06-15 08:09:57
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Because of its synthetic and unique pharmaceutical importance, a continuous development in the synthesis of new enaminones is a growing area research. This sentence should be rewritten as "Synthesis of enaminones has been a continuously growing reasearch area due to their unique importance in synthetic and pharmaceutical aspects. An impressively diverse range of efficient enaminones synthesis based on new metal-catalyzed condensation reactions or other reactions of appropriate precursors have been developed during past years. An impressively diverse range of methods for efficient synthesis of enaminones based on new metal-catalyzed condensation reactions or other reactions with appropriate precursors have been developed during the past years. However, a plethora of new synthetic methods for preparing enaminones including classical syntheses suffer from low yields, use of expensive or not readily starting materials and exhibit limit substrate tolerance[35]. However, a plethora of these methods suffer from low yields, use of expensive or not readily starting materials, and limited substrate tolerance [35]. Therefore, it seems highly desirable to find an efficient, simple and general protocol for the synthesis of enminones. Therefore, it is highly desirable to find an efficient, simple and general protocol for the synthesis of enminones. |
6楼2011-06-15 08:09:07
shirongjiu
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Mally89(金币+1): 感谢应助！~欢迎常来！~ 2011-06-17 20:42:39
Mally89(金币+1): 感谢应助！~欢迎常来！~ 2011-06-17 20:42:39
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Because of its synthetic and unique pharmaceutical importance, a continuous development in the synthesis of new enaminones is a growing area research. This sentence should be rewritten as "Synthesis of enaminones has been a continuously growing reasearch area due to their unique importance in synthetic and pharmaceutical aspects". 开门见山地强调主语"Synthesis of enaminones", 把原因状语放在句首实属浪费；另外，原文中的its指代不清。 An impressively diverse range of efficient enaminones synthesis based on new metal-catalyzed condensation reactions or other reactions of appropriate precursors have been developed during past years. "An impressively diverse range of methods for efficient synthesis of enaminones based on new metal-catalyzed condensation reactions or other reactions with appropriate precursors have been developed during the past years." 作者是想说过去一些年，许多基于metal-catalyzed condensation reactions或使用appropriate precursors 的enaminones的合成方法被研究开发出来。原句中的a range of 后面的主语不是很明确和清楚，而且其修饰的名词应该用复数形式。 However, a plethora of new synthetic methods for preparing enaminones including classical syntheses suffer from low yields, use of expensive or not readily starting materials and exhibit limit substrate tolerance[35]. However, a plethora of these methods suffer from low yields, use of expensive or not readily starting materials, and limited substrate tolerance [35]. 有了上一个句子的陈述，此处就很简洁的使用these methods就可以了。注意上下文的连贯和简洁性，没有必要重复交代a plethora of new synthetic methods for preparing enaminones。作者在此句子要引出现有合成方法的局限性，也就是该论文的研究目的，为下一句话做铺垫用的。 Therefore, it seems highly desirable to find an efficient, simple and general protocol for the synthesis of enminones. Therefore, it is highly desirable to find an efficient, simple and general protocol for the synthesis of enminones. 个人认为，将"seems" 改成"is"的话，语气似乎更肯定了，表明你做的工作真的很有意义。此句没有语法问题。 |
7楼2011-06-15 08:22:30
shirongjiu
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8楼2011-06-15 08:25:34
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