Explain why the trimethylsilyl substituents in the allene 2.111 enable the phenyl and the methyl groups to exchange places rapidly, as shown by the coalescence at –90 °C of the signals from the trimethylsilyl groups in the 'H-NMR spectrum. Ar Ar 36 kJ mol-1 B. B. Me;Si Me;Si Me Ph MezSi Ph Me Me;Si B В Ar Ar 2.111a 2.111b
Explain why the trimethylsilyl substituents in the allene 2.111 enable the phenyl and the methyl groups to exchange places rapidly, as shown by the coalescence at –90 °C of the signals from the trimethylsilyl groups in the 'H-NMR spectrum. Ar Ar 36 kJ mol-1 B. B. Me;Si Me;Si Me Ph MezSi Ph Me Me;Si B В Ar Ar 2.111a 2.111b
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions
Section: Chapter Questions
Problem 20.24P: Pyridine exhibits a UV transition of the type n at 270 nm. In this transition, one of the unshared...
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Recommended textbooks for you
Organic Chemistry
Chemistry
ISBN:
9781305580350
Author:
William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:
Cengage Learning
Organic Chemistry
Chemistry
ISBN:
9781305580350
Author:
William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:
Cengage Learning