Trivial and Semi Trivial Names. In a research library practically all of it can be searched quickly through these databases and with the use of Chemical Abstracts, Beilsteins Handbook of Organic Chemistry, and the review literature. Because print resources are still available, those will be discussed briefly, but online sources will be the focus of this chapter.
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Much of this sort of information can be accessed through a number of familiar publica- tions such as the CRC handbook  or the Merck Index . The Merck Index is also available online, but full acess requires a subscription. Online databases are able to compile a great deal of information in a format that is readily searchable.
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- SearchWorks Catalog.
- SPR - Organometallic Chemistry?
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It is generally more useful to search the compound index by name or structure. ChemSpider  is maintained by the Royal Society of Chemistry and allows text and structure searching for over 29 million compounds. Spectra, properties, and a wealth of other information are available.
This free database is particularly useful when the name of a chemical is confusing or uncertain as it will allow searching with the CAS number. It contains links to compound entries in Wikipedia and through that to entries for compounds at ChemSpider and PubChem. The catalog allows searching by name and structure. Included are thermochemical data, spectral data, and kinetic data, which are search- able by name, structure, molecular weight, and other options that are compound specific.
Abstract journals such as Chemical Abstracts, as well as web sites such as the one maintained by the American Chemical Society for their journals  allow ready searching of the chemical literature. The primary literature includes journals that publish original research findings. Examples of current publications include the Journal of the American Chemical Society, the Journal of Organic Chemistry, and Tetrahedron to name a very few.
Most journals require a subscription, and a few offer open access to their materials. Most chemical societies publish a range of journals specific to individual subfields of chemistry, as well as journals covering a broad range of chemical topics. The review literature includes journals that publish summaries of the current knowledge on a particular topic. These papers can be particularly helpful as you begin a project as they usually provide substantial lists of references into the primary literature.
An abstract is a summary of the important discoveries and conclusions in a paper and provides a way into the content of research publications. Abstract literature allows access to this information in a searchable format.
SPR - Organometallic Chemistry
Many of the early journals published annual author and subject indexes. Chemisches Zentralblatt, begun in and ending in , is the one of the most reliable means into the very early chemical literature. A search- able database is available by subscription through InfoChem , which maintains a database for current literature as well. Beilstein is published in German and is an organized collection of preparations and properties of organic compounds that were known before A fifth supplement was published in English from to In the print edition, compounds are arranged in the volumes according to the rules of the Beilstein system, which allows you to search directly in the volumes without using indexes, finding similar compounds located together.
These rules are beyond the scope of this chapter but are available elsewhere . As of , approximately journals are indexed here and only selected content is included. Current access to this database is available by subscription to Reaxys . January to June of was volume It is easy to see why the print version is no longer published. Chemical Abstracts CA currently covers over 10, periodicals, patents, and other sources and produces brief summaries of the information in each journal article along with a bibliographic heading.
The print publication ceased in , and information in this database is accessed online though STN mostly librarians or SciFinder mostly professional chemists. SciFinder  is a powerful search engine and requires a subscription, although a limited number of free searches are available as a benefit of membership in the American Chemical Society.
Searches are conducted under three search headings: References, Substances, and Reactions. Under References, searches can be conducted by author, company, or journal name, or by document identifier, patent number, or research topic.
Chemical Information Sources/Synthesis and Reaction Searches
An initially broad research topic search can be narrowed using the search terms that are generated. Similarly, advanced search options can be used to narrow the results as appropriate to the application. Under Substances, search options include chemical structures, molec- ular formulas, and properties. Chemical structures may be searched as exact matches, substructures, and similarity matches. Exact matches will include enantiomers, stereoisomers, radicals, salts, and the like. These results can be filtered once the search is complete. Substructure matches allow substitution at any positions not specifically blocked.
A similarity search is the broadest category. Markush searching is also available. Once structures are found, each listing provides links to references, reactions, commercial sources, regulatory information, spectra, and experimental properties for the compound. Under Reactions, a search of structures of either reactants or products, or both, is permitted, and advanced search options allow specification of solvents, other functionality and reaction details, and dates.
Results of a reaction search can be further narrowed by yield or number of steps, for example. Due to the massive amount of information, print sources are gradually becoming online resources, often requiring a subscription for access. A few are discussed here in detail, and librarians and search engines will readily find more sources of such information. Begun in with references back into the s, a series of editions exists. The fourth edition was completed in with 67 volumes and a three volume index.
German editions continued until Now called the Science of Synthesis, this resource is available in print from to , and beginning in , it is available online . The online version requires a subscription and includes content from all the earlier editions.
This is an organized, completely referenced, very detailed collection of methods of preparing essentially all classes of organic compounds plus their reactions. It includes selected experimental details and extensive tables of examples and is published by Thieme Publishing Group.
It was published in by Pergamon Press, Oxford. The popularity of the initial set of pamphlets describing the preparation of compounds inspired the first annual volume of 84 pages in . In , the editorial board decided to place all past and future volumes online . These are searched by structure or keyword. All procedures have been checked and carefully annotated with experimental details and hazards. Citations to the original publications are often available and addenda are linked to the initial article so that changes and additions to the initial procedure are readily found.
Organic Reactions is a series of 86 volumes as of this printing that began publication in under the direction of Professor Roger Adams, who also initiated Organic Syntheses. Each volume consists of one or more chapters, with each chapter covering a reaction of particular importance to organic chemistry. The printed books are published by Wiley  and the individual chapters are listed on a searchable wikipedia page , with links to partial contents.
Full access requires a subscription. GHS imposes worldwide consistency on classification of hazards such as toxicity and flammability. More detailed descriptions of the content of each section can be found online [21, 22]. The Aldrich catalog, available online , offers SDS for all chemicals sold. Organic Syntheses  reviews each of its published procedures for safety. The Hazardous Substances Data Bank HSDB  has safety information for chemicals, including human, animal and environmental toxicity, emergency medical treatment, metabolic and pharmacokinetic data as well as chemical and physical information.
Give two names by which this compound is known. What is this compound used for? Provide a reference for a procedure using this compound as a reagent. Give the reference, the melting point, and a published name for the compound.
What is the frequency of the carbonyl stretch? Cite the patent owner and at least one patent number. To what class of drugs do these compounds belong? Find a reference that describes the compounds and their effectiveness. Give the structure of the molecule and a systematic name. List two wavelengths of maximum absorbance. What is the threshold limit value TLV for this compound? What are the symptoms of ciguatera? Provide a reference for the synthesis of ciguatoxin.
What is its molecular weight? Merck Index, 15th ed. National Center for Biotechnology Information. Royal Society of Chemistry.
Chemical Abstracts Service. Common Chemistry. National Institute of Standards and Technology. InfoChem GmbH. Chemisches Zentralblatt Structural Database. Runquist, O.