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Topic: Organic nomenclature


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In the News (Wed 15 Oct 08)

  
  Organic chemistry - Wikipedia, the free encyclopedia
Organic chemistry is the scientific study of the structure, properties, composition, reactions, and synthesis of organic compounds that by definition contain carbon.
Organic chemistry as a science is generally agreed to have started in 1828 with Friedrich Woehler's synthesis of the organic, biologically significant compound urea by accidentally evaporating an aqueous solution of ammonium cyanate NH OCN now called the Wöhler synthesis.
Organic compounds tend to be much more soluble in organic solvents such as ether or alcohol, but the solubility in each solute is dependent on the functional groups present and of the general structure.
en.wikipedia.org /wiki/Organic_chemistry   (1005 words)

  
 Organic nomenclature - Wikipedia, the free encyclopedia
Formally, rules established by the International Union of Pure and Applied Chemistry (known as IUPAC nomenclature) are authoritative for the names of organic compounds, but in practice, a number of simply-applied rules can allow one to use and understand the names of many organic compounds.
In many cases, lack of rigor in applying all such nomenclature rules still yields a name that is intelligible — the aim, of course, being to avoid any ambiguity in terms of what substance is being discussed.
There is also an older naming system for organic compounds known as common nomenclature, which is often used for simple, well-known compounds, and also for complex compounds whose IUPAC names are too complex for everyday use.
en.wikipedia.org /wiki/Organic_nomenclature   (421 words)

  
 Organic nomenclature -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-21)
Organic nomenclature is the system established for naming and grouping (Any compound of carbon and another element or a radical) organic compounds.
For many compounds, naming can begin by determining the name of the parent (An organic compound containing only carbon and hydrogen) hydrocarbon and by identifying any (Click link for more info and facts about functional group) functional groups in the molecule that distinguish it from the parent hydrocarbon.
In many cases, lack of (Excessive sternness) rigor in applying all such nomenclature rules still yields a name that is intelligible — the aim, of course, being to avoid any ambiguity in terms of what substance is being discussed.
www.absoluteastronomy.com /encyclopedia/o/or/organic_nomenclature.htm   (366 words)

  
 Encyclopedia: Organic nomenclature   (Site not responding. Last check: 2007-10-21)
An organic compound refers to any member of a large class of chemical compounds whose molecules contain carbon, with exception of carbides, carbonates and carbon oxides.
An alkane in organic chemistry is a saturated hydrocarbon, that is, a hydrocarbon in which the molecule has the maximum possible number of hydrogen atoms and so has no double bonds.
For compounds found in organic chemistry, the Cahn Ingold Prelog priority rules are used to determine the orientation of a molecule for purposes of assigning stereochemistry at a stereocenter and for assigning the name of isomers of molecules possessing double bonds such as alkenes.
www.nationmaster.com /encyclopedia/Organic-nomenclature   (682 words)

  
 Organic nomenclature Article, Organicnomenclature Information   (Site not responding. Last check: 2007-10-21)
Formally, rules established by the International Union of Pure and Applied Chemistry (known as IUPAC nomenclature) are authoritative for the names of organiccompounds, but in practice, a number of simply-applied rules can allow one to use and understand the names of many organiccompounds.
In many cases, lack of rigor in applying all such nomenclature rules still yields aname that is intelligible — the aim, of course, being to avoid any ambiguity in terms of what substance is beingdiscussed.
There is also an older naming system for organic compounds known as common nomenclature, whichis often used for simple, well-known compounds, and also for complex compounds whose IUPAC names are too complex for everydayuse.
www.anoca.org /compounds/name/organic_nomenclature.html   (424 words)

  
 mechanisms   (Site not responding. Last check: 2007-10-21)
It is not meant to be a comprehensive coverage of organic nomenclature.
Organic Reaction Mechanisms...These interactive html tutorials are arranged with respect to type of functional group and are designed to present problems in a question-answer format.
Organic Synthesis Problems...These interactive html tutorials are designed to present problems in a question-answer format and allow you to study the concepts at your own pace.
chemistry.boisestate.edu /rbanks/organic/organicchem.html   (346 words)

  
 R-1.0 INTRODUCTION
Indeed, the comprehensive nomenclature system based largely on the application of this operation to parent structures is, for convenience, termed "substitutive nomenclature", although this system also involves many of the other types of operations described in R-1.2.
The replacement operation can be used for naming organic compounds in which skeletal atoms of a parent structure are replaced by other skeletal atoms, or in which oxygen atom and/or hydroxy groups of characteristic groups are replaced by other atoms or groups.
It is very important to recognize that, in general, the rules of organic nomenclature are written in terms of classical valence bonding and do not imply electronic configurations of any kind.
www.acdlabs.co.uk /iupac/nomenclature/93/r93_125.htm   (658 words)

  
 Organic compounds   (Site not responding. Last check: 2007-10-21)
Comprehensive organic chemistry: the synthesis and reactions of organic compounds.
Organic structures and molecular modeling: databases of molecules, Texas A and M University
Provides an outline of the main principles of organic nomenclature as described in the 1979 edition of the IUPAC Nomenclature of organic chemistry and includes important changes since 1979.
www.library.adelaide.edu.au /guide/sci/Chemistry/organic.html   (1394 words)

  
 Class
Organic chemistry is taught in a two-semester sequence in CHM 251 and CHM 252.
Rote memorization is less important than understanding the underlying chemical rationale in organic chemistry.
Be on the lookout for the application of most of the basic concepts that you learned last semester.
www.naz.edu:9000 /~organic/class.htm   (441 words)

  
 Basic Organic Nomenclature   (Site not responding. Last check: 2007-10-21)
Organic nomenclature is based on the priority of the different functional groups in the molecule.
Although the IUPAC system of nomenclature has been in place since the 1930's, there are a number of compounds which are still referred to by their common names.
The important point of organic nomenclature is that the name(s) are unique to that single compound, i.e.
www.chem.ucalgary.ca /courses/351/Carey5th/nomenclature   (617 words)

  
 Organic Nomenclature
Organic Compounds were named prior to the end of the ninteenth century by those that synthesized them.
If new organic compounds that did not seem to fit into any established family, then a new committee was formed and their task was to develop a set of rules consistent with the rules of the other families.
The system of nomenclature is designed to systematically have the name of the compound reflect very closely with the structure since structure is so important in establishing the physical and chemical behavior of organic molecules.
members.aol.com /profchm/iupac.html   (896 words)

  
 Naming organic compounds   (Site not responding. Last check: 2007-10-21)
Chapter 15: Organic Compounds and the Atomic Properties of Carbon...
Organic Chemistry (CHEM311) Fall 2004 Dr. Robert F. Dias...
Short Summary of IUPAC Nomenclature of Organic Compounds...
www.scienceoxygen.com /chem/81.html   (102 words)

  
 AppendixB
Naming of certain organic compounds was different to that which we have been taught, e.g.
Nomenclature of organic compounds and naming of compounds.
Functional group nomenclature, this last section was difficult for me, although it has aided my knowledge now, after completing it.
www.coacs.com /PCCAL/reviews/evalpages/appendixb1bri.htm   (2106 words)

  
 bk3   (Site not responding. Last check: 2007-10-21)
The number of organic compounds is growing faster than the ability of the IUPAC commission to deal with new arrangements of carbon atoms, especially since the IUPAC commission meets infrequently.
Another possible scenario for the future is that "Chemical Abstracts" methods may come to dominate organic nomenclature in place of IUPAC methods.
Similar to modern languages, organic nomenclature has a variety of usages, many of which are akin to slang in spoken languages.
www.chem.unl.edu /cak/bk3.htm   (3099 words)

  
 AppendixB
My only criticism is that the structures are not given in the same format with the programmer trying to catch you out in the same way each time by making the longest chain in the shape instead of but this was easy to spot after the first few examples.
I prefer being taught nomenclature by a human rather than a machine but I think the package worked well although additional help was required on several occasions.
In the section, functional group nomenclature, under the title, amyl halides, the second example is labelled 5 methylpentanoyl chloride but should be 4 methylpentanoyl chloride.
www.coacs.com /pccal/reviews/evalpages/appendixba.htm   (2064 words)

  
 Organic Nomenclature Rules
Organic compounds are named systematically or by common names.
Functional groups determine what kind of compound you have: an alkane, alkene or alkyne; an alcohol, ether, aldehyde, ketone, or carboxylic acid; an ester, amine, or amide; other types.
The first four names, from one to four carbons in a continuous chain, are derived from common nomenclature.
chemweb.calpoly.edu /chem/124/124Experiments/OrgStruc/NomenclatureRules.html   (560 words)

  
 Alkane Nomenclature   (Site not responding. Last check: 2007-10-21)
A more systematic method for the nomenclature of side-chains involves identifying the longest chain in the substituent, numbering the substituent from the point of attachment to the parent, and indicating side-chains on the substituent using the standard method described for simple alkanes.
As a student of organic chemistry, you will encounter a variety of nomenclature conventions, and many non-standard names in common usage must simply be learned.
Systematic nomenclature, however, is important to clearly understand as these methods are utilized in the cataloging of chemical information in print and computerized databases and effective information retrieval requires a good working knowledge of these methods.
chipo.chem.uic.edu /web1/ocol/SB/2-1.htm   (821 words)

  
 MolData, Organic Chemistry
Organic Chemistry Resources Worldwide is an impressive collection of links to site related to all aspects of synthetic organic chemistry.
Pictures in a.pdb format of a large selection of organic molecules are available in a dataset maintained at Okanagan University College A RasMol viewer is needed to view the structures.
The olfactory properties of organic molecules often attract students to the study of organic chemistry.
pages.pomona.edu /~wsteinmetz/OrgChem.htm   (2090 words)

  
 IUPAC Nomenclature   (Site not responding. Last check: 2007-10-21)
This HTML reproduction of Sections A, B and C of IUPAC "Blue Book" is as close as possible to the published version [see Nomenclature of Organic Chemistry, Sections A, B, C, D, E, F, and H, Pergamon Press, Oxford, 1979.
The HTML reproduction of the IUPAC Nomenclature of Organic Chemistry is published by Advanced Chemistry Development, Inc. with permission of the IUPAC.
Nomenclature of Organic Chemistry, Sections A, B, C, D, E, F, and H, Pergamon Press, Oxford, 1979.
www.acdlabs.com /iupac/nomenclature   (243 words)

  
 Chemical Nomenclature Aids in the IUB Chemistry Library
Nomenclature of Organic Chemistry: Sections A,B,C,D,E,F and H. Elmsford, Riguady, J. and S.P. Klesney.
A guide to IUPAC nomenclature of organic compounds: recommendations 1993 / International Union of Pure and Applied Chemistry, Organic Chemistry Division, Commission on Nomenclature of Organic Chemistry (III.1); prepared for publication by R. Panico and W.H. Powell; Jean-Claude Richer, senior editor.
Nomenclature of Organic Compounds : Principles and Practice.
www.indiana.edu /~cheminfo/14-01.html   (480 words)

  
 Volume 6C Number 1   (Site not responding. Last check: 2007-10-21)
Organic Nomenclature provides drill and practice that is useful in any chemistry course where names of simple organic compounds are introduced, including high school, introductory college chemistry, and organic chemistry.
The problems included are typical of those encountered in an introduction to organic chemistry.
Solid State Structures for MacMolecule requires 1.4 MB of free disk space; Organic Nomenclature requires 0.7 MB of free disk space (not including HyperCard), and Atomic Spectra-Graph requires 0.9 MB of free disk space (not including Microsoft Excel).
jchemed.chem.wisc.edu /JCESoft/Issues/Series_C/6C1/abs-6c1.html   (433 words)

  
 Organic Nomenclature
The increasingly large number of organic compounds identified with each passing day, together with the fact that many of these compounds are isomers of other compounds, requires that a systematic nomenclature system be developed.
Since hydrogen is such a common component of organic compounds, its amount and locations can be assumed from the tetravalency of carbon, and need not be specified in most cases.
The nomenclature of substituted benzene ring compounds is less systematic than that of the alkanes, alkenes and alkynes.
www.cem.msu.edu /~reusch/VirtualText/nomen1.htm   (2190 words)

  
 JCE Software, 6C1: Organic Nomenclature   (Site not responding. Last check: 2007-10-21)
Organic Nomenclature is a drill-and-practice exercise in naming organic compounds (using both common and IUPAC names) and identifying structural formulas.
A HyperCard stack, Organic Nomenclature, consists of multiple-choice questions arranged by functional group (such as ketones) or compound type (such as ring compounds).
Organic Nomenclature requires 0.7 MB of free disk space (not including HyperCard).
jchemed.chem.wisc.edu /JCESoft/Issues/Series_C/6C1/prog2-6C1.html   (427 words)

  
 Organic chemistry nomenclature
Glossary of class names of organic compounds and reactive intermediates based on structure.
Treatment of variable valence in organic nomenclature (lambda convention).
Generates systematic names according to IUPAC and IUMBM recommendations on Nomenclature of Organic Chemistry for almost any organic structure and selected classes of natural products, biochemical, organometallic and inorganic structures.
www.organicworldwide.net /nomencl.html   (381 words)

  
 Organic Nomenclature
We are starting with nomenclature and a question came up that I could not answer without guessing.
The Handbook of Chemistry and Physics devotes some 60 pages of very fine print to the definitive nomenclature of organic compounds, which can only be loved by the most obsessive compulsive organic chemist so, even as a professional chemist, I am somewhat at a loss as to, "Who cares!".
It seems to me that trying to decide the proper name of an obscure hydrocarbon, that quite possibly even many organic chemist would have to look up to make sure it is correct, is not a topic that is likely to excite students about chemistry.
www.newton.dep.anl.gov /askasci/chem00/chem00293.htm   (599 words)

  
 Organic Nomenclature Quizzes   (Site not responding. Last check: 2007-10-21)
Naming organic compounds is extremely important because you or someone in another part of the world should be able to write a structure from a name.
In other words, the name must be unique to the structure of the compound so that anyone can identify the structure that the name refers to.
The rules used to name organic compounds are given in the text and the notes and are best learned through practice.
www.chembio.uoguelph.ca /educmat/chm19104/organic_nomenclature_quizzes.htm   (174 words)

  
 Organic Chemistry sites
But there's a wealth of information on organic experiments and lecture demos here, done up with admirable Teutonic thoroughness and attention to detail.
I'm using Organic Chemistry, 4/e by Francis A. Carey [McGraw-Hill] as the text.
George was one of the organizers for the April 2001 CONFCHEM and is heard from frequently on the Chemed-L list.
www.mpcfaculty.net /ron_rinehart/organic.htm   (784 words)

  
 ORGANIC NOMENCLATURE:   (Site not responding. Last check: 2007-10-21)
Fortunately, organic nomenclature is a systematic subject what lends itself particularly well to self-study.
For others, after this course, nomenclature may be one of your most important means of contact with the world of chemistry.
The medical professionals will need nomenclature to predict incompatibilities and similarities of drugs, to understand potential allergic reactions, to understand diagnostic tests and to appreciate the molecular basis of diseases.
chem.wayne.edu /nomenclature/1   (469 words)

  
 Models Tutorial -- Index
Thinking in three dimensions is one of the most important skills in organic chemistry.
Most organic molecules (especially biological molecules) function through and because of their particular three-dimensional shapes.
You must be able to translate flat pictures of molecules into three-dimensional models in your mind in order to do well in either organic or biochemistry.
www.bluffton.edu /~bergerd/Models/homez.html   (162 words)

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