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"Dishing Out" Stereochemical Principles
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Abstract
Otherwise identical plates with suitable stick-on labels near the edges are used as models to illustrate the principles of stereochemistry. Symmetry axes, enantiomers, meso forms, diastereomers, and molecules with multiple stereogenic centers are readily visualized.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
DemonstrationsKeywords (Pedagogy):
Analogies / TransferKeywords (Subject):
Chirality / Optical ActivityCiting Articles
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This article has been cited by 5 ACS Journal articles (5 most recent appear below).
Using Molecular Representations To Aid Student Understanding of Stereochemical Concepts
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Michael Abraham, Valsamma Varghese, and Hui TangJournal of Chemical Education2010 87 (12), 1425-1429Stereochemistry is an important topic in organic chemistry. It is also a difficult topic for students to learn. This study investigated the relative effectiveness on students’ understanding of three kinds of molecular representations of stereochemistry ...
The Protocenter Concept: A Method for Teaching Stereochemistry
David E. LewisJournal of Chemical Education2010 87 (6), 604-607The Protocenter Concept: A Method for Teaching Stereochemistry
David E. LewisJournal of Chemical Education2010 87 (6), 604-607The protocenter, defined as an atom carrying two different attached groups in a nonlinear arrangement, is proposed as a concept useful for the introduction of chirality and geometric isomerism in introductory organic chemistry classes. Two protocenters ...
Can a Non-Chiral Object Be Made of Two Identical Chiral Moieties?
Jean François LeMaréchalJournal of Chemical Education2008 85 (3), 433Can a Non-Chiral Object Be Made of Two Identical Chiral Moieties?
Jean François LeMaréchalJournal of Chemical Education2008 85 (3), 433Several pedagogical objects can be used to discuss chirality. Here, we use the cut of an apple to show that the association of identical chiral moieties can form a non-chiral object. Octahedral chirality is used to find situations equivalent to the cut of ...
Chirality Made Simple: A 1- and 2-Dimensional Introduction to Stereochemistry
Robert E. GawleyJournal of Chemical Education2005 82 (7), 1009Chirality Made Simple: A 1- and 2-Dimensional Introduction to Stereochemistry
Robert E. GawleyJournal of Chemical Education2005 82 (7), 1009Using internal and external reflection elements in one-, two-, and three-dimensional space, the concept of chirality can be introduced in simple terms that are readily understood. Illustrations of 2-D chirality include block letters of the alphabet and ...
Demonstration of Enantiomer Specificity of Proteins and Drugs
Gretchen L. Anderson , Shallee T. PageJournal of Chemical Education2004 81 (7), 971Demonstration of Enantiomer Specificity of Proteins and Drugs
Gretchen L. Anderson , Shallee T. PageJournal of Chemical Education2004 81 (7), 971In addition to the traditional use of molecular models of tetrahedral asymmetric centers, the concept of chirality and its importance to protein–drug interactions is demonstrated in a guided classroom activity. A watchglass with three different colored ...
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- Received: August 03, 2009
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