Complete the Following Reaction Sequence,giving Structural Details of All Key $\to$

question 179

Essay

Complete the following reaction sequence,giving structural details of all key intermediates.
2-methyl-1-pentene $\to$
i)BH₃,THF
ii)H₂O₂,NaOH
iii)(COCl)₂,DMSO,-60 °C
iv)Et₃N
v)CH₃CH₂C≡C:^- Na⁺
vi)NH₄Cl

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Definitions:

Labor Efficiency Variance

The difference between the actual number of labor hours worked and the standard hours expected, multiplied by the standard labor rate.

Labor Rate Variance

The difference between the actual cost of labor and its expected cost based on standards or budgets.

Direct Labor Employees

Workers who are directly involved in the manufacturing of products, including those who operate machinery, assemble products, or perform manual labor that can be directly attributed to specific goods or services.

Favorable Variances

Differences between actual and budgeted or standard cost figures that are financially beneficial to a company.