6The ester shown below was subjected to the indicatedsequence of chemical reactions to yield compound A (C5H10) with its ¹H-NMR spectrum shown below- Identify the missing step #4 and give the structure of A.- Clearly show how your structure is consistent with the spectral dataShow a reasonable mechanism that accounts for the formation of A ineach of the four steps.OCTOCH 341) Excess CH3MgBr2) pH adjust to 7.03) PBr34) ?3PPM2A (C5H10)0

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6 5 OCH 3 1) Excess CH3MgBr 2) pH adjust to 7.0 3) PBr3 4) ? 3 PPM A (C5H10)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

6
The ester shown below was subjected to the indicated
sequence of chemical reactions to yield compound A (C5H10) with its ¹H-
NMR spectrum shown below
- Identify the missing step #4 and give the structure of A.
- Clearly show how your structure is consistent with the spectral data
Show a reasonable mechanism that accounts for the formation of A in
each of the four steps.
O
CT
OCH 3
4
1) Excess CH3MgBr
2) pH adjust to 7.0
3) PBr3
4) ?
3
PPM
2
A (C5H10)
0

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