Given the following 13C NMR signals, construct a structure for the unknown compounds. A. Molecular formula: C4H10O Broadband decoupled: 69.3 δ, 32.1 δ, 22.8 δ, 10.0 δ DEPT-90: 69.3 δ DEPT-135 (positive): 69.3 δ, 22. 8 δ, and 10.0 δ DEPT-135 (negative): 32.1 δ
Given the following 13C NMR signals, construct a structure for the unknown compounds. A. Molecular formula: C4H10O Broadband decoupled: 69.3 δ, 32.1 δ, 22.8 δ, 10.0 δ DEPT-90: 69.3 δ DEPT-135 (positive): 69.3 δ, 22. 8 δ, and 10.0 δ DEPT-135 (negative): 32.1 δ
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
Chapter17: Carboxylic Acids
Section: Chapter Questions
Problem 17.17P
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Question
Given the following 13C NMR signals, construct a structure for the unknown compounds.
A. Molecular formula: C4H10O
- Broadband decoupled: 69.3 δ, 32.1 δ, 22.8 δ, 10.0 δ
- DEPT-90: 69.3 δ
- DEPT-135 (positive): 69.3 δ, 22. 8 δ, and 10.0 δ
- DEPT-135 (negative): 32.1 δ
B. Molecular formula: C6H14O
- DEPT-135 (positive): 14.1 δ
- DEPT-135 (negative): 22.7 δ, 25.3 δ, 31.8 δ, 32.2 δ, 62.8 δ
C. Molecular formula: C7H12O2
- Broadband decoupled: 19.1 δ, 28.0 δ, 70.5 δ, 129.0 δ, 129.8 δ, 165.8 δ
- DEPT-90: 28.0 δ, 129.8 δ
- DEPT-135 (positive): 19.1 δ, 28.0 δ, 129.8 δ
- DEPT-135 (negative): 70.5 δ, 129.0 δ
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