JBCS - SBQ

The Journal of the Brazilian Chemical Society embraces all aspects of chemistry except education, philosophy and history of chemistry. It is a medium for reporting selected original and significant contributions to new chemical knowledge. The journal publishes Articles, Communications, Short Reports, Reviews and Letters.

Articles should be comprehensive and critical accounts of work in a given area. Although short articles are acceptable, the editors strongly discourage fragmentation of a substantial body of work into a number of short publications.

Communications are restricted to reports of unusual urgency and significance or interest. They should be submitted with a statement from the authors as to why the paper meets these criteria. A paper will not be accepted if, in the opinion of the Editor, the principal content has previously been released or publicised in any other published medium. The paper should not exceed 1500 words or the equivalent and may occupy no more than 3 pages of the Journal. In estimating the length of a communication, an average sized figure is counted as 100 words and separate formulae and lines of a table are counted as 8 words per line, including headings and horizontal rulings. The title, authors' names and literature references are not counted.

Short Reports are shorter than the average article. In terms of content they are meant to be a concise terminal report of studies of limited scope. Typescripts submitted as articles or communications may, in some cases be accepted as short reports. The standard of quality expected in short reports is the same as in articles.

Reviews will normally be solicited by the Editors. However, the Editors welcome suggestions for reviews that would be suitable for the Journal. To aid the Editors judge the suitability of a proposed review for the Journal, all authors should submit a synopsis that should include a brief outline of the review's content, 10 sample references, a summary of the lead author's academic career and an estimate of the date of submission. Acceptance of the synopsis by the Editors does not guarantee publication of the final typescript.

Letters are a medium for the expression of scientific opinions and views normally concerning material published in this Journal, but not for revision/updating of authors own work. Where a Letter is polemical in nature, and if it is accepted, a reply will be solicited from other parties implicated for publication alongside the original Letter. It is intended that contributions in this format should be published rapidly. No Abstract is required for letters. It should not exceed one printed page in length.

From 2005, this Journal publishs Graphical Abstracts (GA) as part of the Table of Contents. Authors are expected to provide this Graphical Abstracts on the first page of their manuscript upon submission. The GA should summarise the contents of the paper in a concise, pictorial form designed to capture the attention of a wide readership and for compilation of databases. It may be a key structure, reaction, equation, concept, or theorem, etc., or an ingenious representation thereof, that is discussed in the manuscript. GA is not an abstract. The graphic and the title, which will be placed adjacent to the graphic during production, are together meant to attract the reader’s interest without providing specific results. It should be of high visual quality in order to reproduce well. See at here examples of some Graphical Abstracts. Take some time to produce your GA, which should not have words, only graphic representations. Pay attention also to the space reserved to an GA. Too much or detailed information could not result in a good GA. The space is limited.

Organisation of typescripts Authors should present their materials with the utmost conciseness and clarity. The Introduction should give clearly and briefly, with relevant references, both the nature of the problem under investigation and its background. Extensive reviews of the literature cannot be accepted. In Articles and Short Reports, the Experimental section should be separated from the Results and Discussion section. It may precede or follow the Results and Discussion section(s).

Descriptions of experiments should be given in detail sufficient to enable experienced experimental workers to repeat them; the degree of purity of materials should be given, as should the relative quantities used. Descriptions of established procedures are unnecessary. Standard techniques and methods used throughout the work should be stated at the beginning of the section in a “Materials and/or Methods” subsection. Apparatus should be described only if it is non-standard; commercially available instruments should be referred to by the stock numbers.

All new compounds should be fully characterised which includes spectroscopic data and elemental analyses. High-resolution mass spectra may substitute elemental analyses if accompanied by unequivocal proof of sample purity (mp, copies of NMR spectra, etc.). For compounds prepared in enantiomerically pure or enantiomerically enriched form, specific optical rotation must be given. In cases where enantiomeric excess is determined by chromatographic and/or spectroscopic techniques, copies of the appropriate chromatograms and/or spectra should be included upon submission of the manuscript. Data associated with particular compounds should be listed after the name of the compound concerned, following the description of its preparation, or else presented in tabular form in the results and discussion.

Many theoretical and computational papers use a routine procedure based on a well-documented method, be it semi-empirical or ab initio. It is then sufficient to name the particular variant, referring to key papers, in which the method was developed, to cite the computer program used, and to indicate briefly any modification made by the author.

The addition of a final section at the end of the paper, which briefly summarises the main conclusions of the work, is recommended.

Preparation of typescripts - the original manuscript should be double-spaced, with ample margins (2.5 cm), on one side only. All pages of the typescript should be numbered consecutively including tables. Tables should be numbered (Arabic numerals), placed on separate page and grouped at the end of the typescript. Figures should be numbered (Arabic numerals) and all captions should be typed together on one or more pages. Both figures and captions should be grouped together at the end of the typescript. Authors should indicate, by text or marginal notations in the typescript where the figures and tables are to be inserted. For full papers containing material previously published in preliminary form, a copy of the preliminary communication is also required and could be included at the end of the typescript.

The first page should contain the title and authors' names, addresses and the Graphical Asbtract (GA - see instructions before). For all authors, the given name (not the initial), initial(s) of the middle name(s), and the last name should be given for complete identification. An asterisk should follow the name of the author who is to receive any correspondence. Authors are asked to provide full addresses for correspondence and may include e-mail addresses as a footnote. If the address where the work was carried out is different from the present address of the asterisked author, a footnote indicating this present address should be included. The second page should contain the title, the abstracts in Portuguese and English (maximum of 150 words for articles and reviews, and 50 words for short reports and communications), and the keywords (a minimum of two and a maximum of five). The editors of the Journal can help authors who are not fluent in Portuguese. The text should start on the next page.

The attention of authors is particularly directed to the requirement that all nomenclature should be consistent, clear, unambiguous, and conform to the rules of nomenclature established by IUPAC, the International Union of Biochemistry, the Abstracts Service (see Index Guide to Chemical Abstracts, 1987 and http://jbcs.sbq.org.br/jbcs/iupac.html), the Nomenclature Committee of the American Chemical Society or other appropriate bodies. The recommendations of IUPAC should be followed for units and symbols. Authors will not be denied any reasonable usage, but if non-SI units are used for critical data or for quantities measured to a higher degree of accuracy, the definitive values will be expressed in SI units as well (http://jbcs.sbq.org.br/jbcs/summary.html).

Linguistic and typographic conventions - Only manuscripts written in English can be considered. Standard English and American English spellings are allowed but consistency should be maintained within the typescript. The following headings should be used: main sections (Introduction, Experimental, Results and Discussion (or Results, Discussion – alternatively, Experimental may follow Results and Discussion), Conclusions, Acknowledgement, Supplementary Material and References): initials capital letter, bold, no final full stop; subdivisions: italic, first initial capital letter. Formulae should be numbered with bold Arabic numerals. Structural or displayed formulae must be accurately drawn or typed on a separate sheet, rather than inserted in the text; a marginal indication of where they are to go in the text is desirable.

Guidelines for illustrations - All illustrations must have the names of the authors, the title of the paper and the number of the figure or the scheme. They must be black on white. Illustrations should be prepared for reduction to a single (81mm) or a double column (172 mm) width. The maximum page depth is 166 mm. For best results, artwork should be submitted at its full size. Lettering should be no smaller than 7 pt Arial and lines no thinner than 0.5 pt. Lettering and lines should be of uniform density throughout the text. If oversized figures cannot be avoided (e.g. hand drawn), these should be prepared about two times the requested size and be appropriate for reduction. Photographs should be unmounted, high contrast and positive. When necessary, the scale should be drawn on the photograph itself, and not below. Colour illustrations will be only published in the electronic version of the Journal. See also http://www.sbq.org.br/jbcs/guidelines.html.

Bibliography - Reference numbers in the text should be typed as superscripts without parentheses, after punctuation and consecutivelly. The literature cited should be printed on a separate page (double-spaced) and should be listed in the order in which it appears in the text.

Journals. The style of journal’s abbreviations to be used is that defined in Chemical Abstracts service source index (see e.g. http://www.cas.org/sent.html). If you cannot locate an authoritative abbreviation for a journal, and it is not obvious how the title should be abbreviated, the full title should be cited.

In case the journal is not easily accessible, it is best to quote its Chemical Abstracts number, as follows.

2. Provstyanoi, M. V.; Logachev, E. V.; Kochergin, P. M.; Beilis, Y. I.; Izv. Vyssh. Uchebn. Zadev.; Khim. Khim. Tekhnol. 1976, 19, 708. (CA 85:78051s).

Composite references should be used whenever possible rather a series of individual references. The style for composite references is as follows:

3. Varela, H.; Torresi, R. M.; J. Electrochem. Soc. 2000, 147, 665; Lemos, T. L. G.; Andrade, C. H. S.; Guimarães, A. M.; Wolter-Filho, W.; Braz-Filho, R.; J. Braz. Chem. Soc. 1996, 7, 123; Ângelo, A. C. D.; de Souza, A.; Morgon, N. H.; Sambrano, J. R.; Quím. Nova 2001, 24, 473.

Patents. These should be identified in the following form (whenever possible Chemical Abstracts number should be quoted in parentheses)

4. Hashiba, I.; Ando, Y.; Kawakami, I.; Sakota, R.; Nagano, K.; Mori, T.; Jpn. Kokai Tokkyo Koho 79 73,771 1979. (CA 91:P193174v)

6. Eberlin, M. N.; Mendes, M. A.; Sparrapan, R.; Kotiaho, T. Br PI 9.604.468-3, 1999.

7. Regitz, M. In Multiple Bonds and Low Coordination in Phosphorus Chemistry; Regitz, M.; Scherer, O. J., eds.; Georg Thieme Verlag: Stuttgart, 1990, ch. 2.

8. Cotton, F. A.; Wilkinson, G.; Advanced Inorganic Chemistry, 5th ed., Wiley: New

9. Sheldrick, G. M.; SHELXL-93; Program for Crystal Structure Refinement; University of Göttingen, Germany, 1993.

10. Velandia, J. R.; Ph.D. Thesis, Universidade Federal Rural do Rio de Janeiro, Brazil, 1997.

11. Ferreira, A. B; Brito, S. L.; Abstracts of the 20^a Reunião Anual da Sociedade Brasileira de Química, Poços de Caldas, Brazil, 1998.

For material accepted for publication: Magalhães, U. H.; J. Braz. Chem. Soc., in the press.

For material submitted but not yet accepted: Magalhães, U. H.; J. Braz. Chem. Soc., submitted. For unpublished work or personal communication: Magalhães, U. H., unpublished work or Magalhães, U. H., personal communication.

Reference to unpublished work should not be made without the permission of those by whom the work was performed.

Manuscripts including crystallographic data - Prior to the submission of the manuscript, the author(s) should deposit, with the relevant Data Center, the data corresponding to each structure to be reported in the intending publication. Data for metal organic and organic structures should be sent to the Cambridge Crystallographic Data Center (CCDC) by e-mail preferably in CIF format. More information and a checklist of data items to be included in the deposition can be obtained from the CCDC Home Page: http://www.ccdc.cam.ac.uk/. Data for inorganic compounds should be sent to Fachinformationszentrum Karlsruhe (FIZ) by e-mail: crysdata@FIZ-Karlsruhe.de or on disk. The Data Centers will provide deposition codes for each data set, which should be quoted in suitable form in the manuscript. The detailed guidelines for the preparation of the typescript can be obtained from http://jbcs.sbq.org.br/jbcs/x-ray.html

Submission of papers - The J. Braz. Chem. Soc. is now offering to the Authors ON-LINE SUBMISSION, that can be performed using a registered Login and Password. You can register yourself at our home page (http//jbcs.sbq.org.br), using the option New User. Once, logged into the on-line submission system, the authors can easily follow the given instructions. They are asked to submit one single file of the manuscript, as PDF file. A tool is available to generate the PDF file from a *.doc or *.rtf file. The system will advise through e-mail, the manuscript reference code and the authors may track the status of their manuscript. We invite you to try our new system and to help us to improve it sending your sugestions to our e-mail address: office@jbcs.sbq.org.br .

On-line submission was created as a mean of speeding up the manuscript processing.

1. Register yourself at our home page (http//jbcs.sbq.org.br), using the option New User. If you are already an user, go to step 2.

2. Using the registered Login and Password, log into the on-line submission system.

3. The authors can easily follow the given instructions at the link New Submission. They are asked to submit one single file of the manuscript, as PDF file. A tool is available to generate the PDF file from a *.doc or *.rtf file. You can use your own PDF generator tool.

4. Those Authors who are also Referees, please just click at the Author's file name.

5. The system will advise through e-mail, the manuscript reference code and the authors may track the status of their manuscript.

On submitting their manuscripts, authors should specify what section (Article, Short Report, Communication etc.) would like to address the manuscript and are encouraged to supply the names and at least the e-mail addresses of 2 or 3 potential referees, also from abroad their own Country.

Using the registered Login and Password, log into the on-line submission system.

Follow the Instructions bellow to send your Revised Version and Response Letter (see also text in your e-mail).

You are kindly asked to make the appropriate amendments in order to meet these comments and send:

1) A RESPONSE LETTER, ITEMIZING how each comment has been addressed, as well as any changes made, from ALL Referee(s) and Editor (if so).

2) A COMPLET PDF file of the Revised Version of your manuscript (CHANGES MUST BE MARKED IN THE REVISED VERSION FILE WITH DIFFERENT COLOR. IT IS IMPORTANT and WELCOMED).

3) Submit these 2 (two) files in the Journal web page, at your Author's Home Page, in the section Here to Send the New Version (GO into Ms. TITLE LINK).

Revision for Articles, Reviews and Short Reports must be returned in one month
or they will be considered withdrawn. Communications must be returned within three weeks.

The authors should use link New Submission and the Response Letter can be placed as the Cover Letter as well as the initial pages of your Manuscript. The changes made must be pointed out in the letter and the text itself should be marked with different color. You are asked to submit one single file of the manuscript, as PDF file. A tool is available to generate the PDF file from a *.doc or *.rtf file.

Copyright License - The submission of a paper implies that it has not been previously published, that it is not under consideration for publication elsewhere, and that it will not be published elsewhere in the same form without the written permission of the Editors. Additionally, it implies that the corresponding author has the consent
of all authors. By submitting a typescript, the authors agree that the copyright for their paper is transferred to the Sociedade Brasileira de Química (SBQ) if and when the paper is accepted for publication. Accepted papers and illustrations become the property of the Journal.

Electronic Supplementary Information - Authors are encouraged to make the most of the benefits of publishing supplementary information in electronic form. Information:

Function of Referees - The Editors seek the advice of experts in the research areas of the submitted manuscripts. Referees should estimate the scientific value of the work and also indicate whether the writing is clear and concise. The recommendations from the referees may not always be followed by the Editor who accepts full responsibility for decisions about typescripts. Papers that are not accepted by the Editor will be returned to the authors. Authors have the right to appeal to the Co-ordinating Editor if they regard a decision to reject as unfair.

Revised Manuscripts - Typescripts (Articles, Reviews and Short Reports) returned to an author for revision must be returned within one month or after three months it will be considered withdrawn. Communications must be returned within three weeks. Revised manuscripts returned to the Editor should be submitted as PDF file on-line also. In cases of more than very minor revision, the author’s letter that accompanies the revised manuscript should indicate in detail the changes that have been made (also the changes must be marked in the text) and the questions of the referees should be answer properly.

Desktop Publication - The Journal of the Brazilian Chemical Society is published by a desktop publishing process. Authors are requested to prepare their papers using word processors. The final accepted version of the manuscript must be submitted on-line (instructions in the home page) All text (including the title page, abstracts, all sections of the body of the paper, figure captions, scheme titles and references) should be in one file, with the complete text followed by tabular material. The text should be double spaced, unjustified, ranged left and not contain hyphenation. The first line of paragraphs should not be indented and paragraphs should be separated by a carriage return. All words and punctuations should be followed by a single space only. It is best to use the fonts “Times New Roman” and “Symbol”. Ensure that all characters are presented in the body of the text as characters and not as graphic representations. Graphics should be in separate files. The file-name for the graphic, e.g. Figure 1 or Scheme 1 would contain the artwork for the graphic in Figure 1 and Scheme 1, respectively. The word processor version and the format used (DOS, Windows, Macintosh) must be specified or any other programs used for graphs or illustrations. Word for Windows is the preferred format. Users of other programs can use the “save as” option in the File menu in their processor, and save the file in RTF (Rich Text Format). For other formats, such as Macintosh and Unix, the text must be saved as RTF and the file, as a DOS version. Most packages for creating graphics will allow the user to choose a format in which to save the file. For IBM and compatibles the original files with extensions .cwg, .cdr, .org and .cdw must be sent together with their version saved in .wmf; drawings of molecular structures should be saved as .tif (minimum 300 dpi resolution). For Macintosh, only .tiff (same resolution) is acceptable.

Galley Proofs and Reprints - Galley proofs, the original manuscript and reprint order forms are sent by the editorial board to the author who submitted the article. The proofs are provided for the correction of printing errors i.e. the correction of proofs should not be used for improvements in the language or substance of the paper. The cost of changes considered to be excessive will be charged to the author(s). If changes in the conclusions are necessary due to work done or published since the manuscript was prepared, it is preferable to prepare a brief Note Added in Proof. Corrected galley proofs should be returned promptly, preferably within 48 hours by fax or airmail. Authors should complete the reprint order form and send it together with the returned proofs.

Corrections - It errors of consequence are detected in the published paper, a correction should be sent by the author to the Editor for publication in the Additions and Corrections section.