(a) What is the IUPAC name for the following molecule (including absolute configurations if required)?

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter6: Alkanes & Alkenes
Section: Chapter Questions
Problem 4E: Consider the molecule 1-bromo-2-methylbutane. C3 and C4 should be drawn as Et as in theexample. This...
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(a)
What is the IUPAC name for the following molecule (including absolute configurations if
required)?
(b)
Draw the Newman projections looking down the C3-C4 bond that represent all the three
staggered conformations for the molecule shown above.
(c)
Given that the strain energies below, calculate the strain energies for each conformer and
identify which is the most stable.
Gauche interaction
Strain Energy
HOCH3
0.0 kJ mol-
HOCH;CH;
|0.4 kJ mol-
3.8 kJ mol-
| 4.3 kJ mol-
CH;CH3
CH;CH2CH3
|CH2CH; CH2CH;
4.6 kJ mol-
Newman Projection of Conformer 1
Strain Energy of Conformer 1
Newman Projection of Conformer 2
Strain Energy of Conformer 2
Newman Projection of Conformer 3
Strain Energy of Conformer 3
Transcribed Image Text:(a) What is the IUPAC name for the following molecule (including absolute configurations if required)? (b) Draw the Newman projections looking down the C3-C4 bond that represent all the three staggered conformations for the molecule shown above. (c) Given that the strain energies below, calculate the strain energies for each conformer and identify which is the most stable. Gauche interaction Strain Energy HOCH3 0.0 kJ mol- HOCH;CH; |0.4 kJ mol- 3.8 kJ mol- | 4.3 kJ mol- CH;CH3 CH;CH2CH3 |CH2CH; CH2CH; 4.6 kJ mol- Newman Projection of Conformer 1 Strain Energy of Conformer 1 Newman Projection of Conformer 2 Strain Energy of Conformer 2 Newman Projection of Conformer 3 Strain Energy of Conformer 3
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