Wagner rearrangement

Wag·​ner rearrangement | \ ˈvägnə(r)- \
variants: or Wagner-Meerwein rearrangement \ -​ˈmerˌvīn-​ \

Definition of Wagner rearrangement

: a reaction that is applicable especially to organic compounds containing a neopentyl or similar grouping, that is thought to proceed by way of a carbonium ion, and that involves change of the carbon skeleton (as from pinene to bornyl chloride by hydrogen chloride, from neopentyl iodide to tert-amyl acetate by silver acetate, or from methyl-tert-butyl-carbinol to tetramethyl-ethylene by acids) — compare pinacolone

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Wagner rearrangement

after Georg Wagner 19th century Russian chemist

Keep scrolling for more

Learn More about Wagner rearrangement

Statistics for Wagner rearrangement

Cite this Entry

“Wagner rearrangement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Wagner%20rearrangement. Accessed 25 Jan. 2021.

Comments on Wagner rearrangement

What made you want to look up Wagner rearrangement? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Slippery Words Quiz—Changing with the Times

  • ducreux self portrait yawning
  • What is an earlier meaning of nice?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!