Show how the following synthesis can be carried out:

methylcyclohexene → 6-oxoheptanoic acid

Use any reagents necessary.

Draw the structure of the product expected when the molecule below reacts with an excess of hot, concentrated potassium permanganate.

The position of triple bonds in alkynes can be determined through oxidative cleavages. An unknown alkyne gives dodecanedioic acid as shown below. Propose the structure of this alkyne.

Given cyclodecyne as the starting molecule, suggest a method to synthesize the molecule shown below.

Provide the product(s) obtained when cycloheptyne reacts with the following reagents:

(i) KMnO₄, H₂O, neutral

(ii) KMnO₄, KOH, H₂O, heat, then H⁺, H₂O

Draw the products that would be produced from the treatment of the following alkyne with 2 eq. of HCl.

Predict the alkyne and reactants needed to produce the following haloalkene.

Draw the products of each of the reactions between 3-heptyne and the reagents below.

i. HCl (1 mol)

ii. HCl (2 mol)

Identify the reagent required to complete the syntheses shown below.

Provide the best alkyne to use for the synthesis of the ketone below.

Provide the product/s when 2-methyloct-3-yne goes through acid-catalyzed hydration.

Determine the identity of products obtained in the reaction of but-1-yne with each of the reagents shown below.
(i) NaNH₂
(ii) HgSO₄/H₂SO₄, H₂O
(iii) Sia₂BH, followed by H₂O₂, ⁻OH

Show how the following product can be formed starting with 1-butyne.