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Bookmark or Share- Organic chemists take on “Bredt’s Rule” 100 years laterAccording to Bredt’s rule, double bonds cannot exist at certain positions on organic molecules if the molecule’s geometry deviates too far from what we learn in textbooks. This rule has constrained chemists for a century. A new paper in Science shows how to make molecules that violate Bredt’s rule, allowing chemists to find practical ways ...
- Chemists make ‘impossible’ molecules that break 100-year-old bonding ruleThe 100-year-old Bredt’s rule — which was proposed in 1924 by organic chemist Julius Bredt — states that, in small molecules made up of two rings that share atoms, such as some types of ...
- Bredt's rule - WikipediaBredt's rule. In organic chemistry, an anti-Bredt molecule is a bridged molecule with a double bond at the bridgehead. Bredt's rule is the empirical observation that such molecules only form in large enough ring systems. For example, two of the following norbornene isomers violate Bredt's rule, and are too unstable to prepare: The rule is named ...
- UCLA chemists just broke a 100-year-old rule and say it’s time to ...According to Bredt's rule, double bonds cannot exist at certain positions on organic molecules if the molecule's geometry deviates too far from what we learn in textbooks. This rule has constrained chemists for a century. A new paper in Science shows how to make molecules that violate Bredt’s rule, allowing chemists to find practical ways to ...
- What's Bredt's Rule? The problem with bridgehead alkenesWhat's Bredt's Rule? Bredt's rule (1924) states that double bonds don't form on bridgehead carbons. But why? And are there any exceptions? Answers below.
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