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水飘零

金虫 (著名写手)

金陵家族之潜水人士

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虫号: 438373
注册: 2007-09-21
性别: GG
专业: 有机分子功能材料化学

[交流] 投tetraheron，审稿人意见如下：大家帮忙参详下已有7人参与

有几个问题，为什么现在不打分了？还有就是到底是大修还是小修啊？多谢各位了！

reviewer 1
In the manuscript, Huang et al. reported an convenient synthetic route to 2,7-bromo-4,5-diazafluoren-9-one (3), which can be utilized as a very useful electron-withdrawing building block. Also the absorption and emission properties of a series of D-A molecules based on 4,5-diazafluoren-9-one units was studied, exhibiting solvent-dependent fluorescence and low energy bandgaps. Interestingly, a specific 2D self-assembly behaviors have been also demonstrated. The writing is well-organized. It can be publishable in Tetrahedron. Minor point: In references, the journal name should be properly abbreviated.

reviewer 2
The paper of Li and co-workers describes a facile and effective method to
synthesize 2,7-dibromo-4,5-diazafluoren-9-one 3 involving tandem oxidation and rearrangement reactions. Compared to the previously reported synthesis route, the reaction condition of new approach is relatively mild and the yield gets improved. Furthermore, 3 D-A compounds were prepared based on compound 3, and their spectroscopic properties and self-assembly was investigated. Thus it is potentially publishable in Tetrahedron as a full article, but certain issues must be addressed through major revision. The following is the list of a few problematic points that need to be corrected in revision:
1- Careful spell check is definitely needed since there are several
errors in spelling of organic solvents, such as in Page 3, "toluene", and
"dicholoroform".
2- In the discussion of Figure2 page 2, the authors stated "In contrast
to compounds 5 and 7, the absorption maximum wavelength of compound 6 was red-shifted approximately 40 nm, presumably because of the improved -conjugation that resulted from embedding two additional thiophene rings into the donor branches." However, it is apparently unjustified to compare compounds 6 and 7, since their donor parts are essentially the same. Thus a significant revision is needed here.
3- In the discussion of emission spectra page 3, the authors concluded
that the emission spectra of three compounds in solid film are very weak due to the effects of heavy atoms. Here, which kind of heavy atoms do the authors refer? A further discussion is needed before this conclusion.

reviewer 3
The study of structure comparison, physical properties, and self-assembly in three D-A molecules provide an interesting insight on structure-function relationship of novel conjugated small molecules. However, the manuscript is full of typos and ambiguous elucidation, which needs to be thoroughly revised by a native English speaker to be understandable. The following points are all shown as highlight in the pdf.
1) The grammatical errors need to be fixed.
2) The large amount of misspelling of words is really not appropriate
in a scientific paper. The authors should be more responsible for their
writing.
3) What is the reason that the authors use different solvent for
reduction and oxidation during CV measurement?
4) Several sentences are not understandable.
5) Among the experimental section, the authors mentioned "appropriate temperature". This is not a description that should appear in a scientific paper.

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