A: Mild oxidant like PCC. Sect. 9.9.
B: Ozonolysis followed by reductive workup (e.g., Zn). Sect. 6.5.
C: Special case hydride reduction with DIBALH (Di-IsoButylAluminum Hydride). Sect. 17.11.
A: Oxidation with any of a number of reagents: (PCC or Jones, sect. 9.9)
B: Ozonolysis followed by reductive workup (e.g., Zn). Sect. 6.5.
C: Friedel-Crafts acylation: R-COCl and AlCl3. Sect 20.1.
D: R'2CuLi in inert solvent. Sect. 17.9, also section 7.7.
E: Oxymercuration-demercuration of terminal alkynes gives methyl ketones on rearrangement (tautomerism) of the intermediate enol. See section 10.8.
