In organic chemistry, ring strain is a type of instability that exists when bonds in a molecule form Adolf von Baeyer received a Nobel Prize in for the discovery of the Baeyer strain theory, which was an explanation of the relative stabilities. Sachse Mohr’s theory (Theory of strainless rings). ❖ Baeyer’s Strain Theory. – Baeyer postulated that any deviation of bond angles from the normal tetrahedral . Baeyer Strain Theory. In , Adolf von Baeyer published a paper on polyacetylene compounds in the journal of the German Chemical Society. At the end of.
|Published (Last):||12 March 2011|
|PDF File Size:||2.39 Mb|
|ePub File Size:||16.82 Mb|
|Price:||Free* [*Free Regsitration Required]|
Strain theoryin chemistrya proposal made in by the German chemist Adolf von Baeyer that the stability of carbocyclic compounds i. The amount of deviation is the measure of the strain of the ring: Baeyer postulated that these rings bawyer planar and concluded that strain exists in three- and four-membered rings and in rings of six or more atoms, the strain increasing with the size of the ring.
Another German chemist, H. Sachse, in suggested that in rings of six or more atoms the strain can be relieved completely if the ring is not planar but puckered, as in the so-called chair and boat conformations of cyclohexane. These large rings should then be as stable as those of five atoms—a conclusion that has been verified strrain.
For example, no significant difference referable to strain has been found between the stability of cyclotriacontane, with 30 atoms in the ring, and that of cyclopentane, with only 5. We welcome suggested improvements to any of our articles. You can make it easier for srrain to review and, hopefully, publish your contribution by keeping a few points in mind.
Your contribution may be further edited by our staff, and its publication is subject to our final approval. Unfortunately, our editorial approach may not be able to accommodate all contributions.
Our editors will review what you’ve submitted, and if it meets our criteria, we’ll add it to the article. Please note that our editors may make some formatting changes or correct thory or grammatical errors, and may also contact you if any clarifications are needed.
The Editors of Encyclopaedia Britannica.
Learn More in these related Britannica articles: He also postulated a centric formula for benzene. Help us improve this article! Contact our editors with your feedback. You may find it helpful to search within the site to see tbeory similar or related subjects are covered.
Any text you add should be original, not copied from other sources. At the bottom of the article, feel free to list any sources that support your changes, so that we can fully understand their context.
Ring strain – Wikipedia
Internet URLs stain the best. Thank You for Your Contribution! There was a problem with your submission. Please try again later. Keep Exploring Britannica Photosynthesis.
Photosynthesis, the process by which green plants and certain other organisms transform light gheory. Education, discipline that is concerned with methods of teaching and learning in schools or school-like….
If you prefer to suggest your own revision of the article, you can go to edit mode requires login. Thank you for your feedback.
Discover some of the most interesting and trending topics of