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The Tutor and Student reviewed various reactions and mechanisms related to carboxylic acid derivatives, including hydrolysis, esterification, amidation, and the synthesis and hydrolysis of nitriles. They discussed reduction reactions and the use of isotopic labeling to understand reaction pathways. The session concluded with a review of the student's notes and preparation for an upcoming exam.

The Tutor and Student reviewed reactions of aldehydes and ketones, focusing on hydration and acetal formation. They then explored methods for synthesizing and naming carboxylic acids and their derivatives, including discussions on acidity, reactivity, and nomenclature conventions for acid halides, anhydrides, esters, and amides. The session concluded with plans to continue the topic and practice nomenclature.

The student and tutor reviewed concepts in aromatic substitution, including directing groups and steric hindrance. They then delved into carbonyl chemistry, discussing nucleophilic addition reactions, Grignard reagents, and the Wittig reaction for alkene synthesis. The session concluded with an examination of factors influencing the stereochemistry of Wittig reactions.

The tutor and student reviewed an organic chemistry case study assignment, focusing on chemical reactions, regioselectivity, and multi-step synthesis problems. They discussed Grignard reagents, organometallic compounds, amines and amides, and various reduction reactions, with plans to continue working together to prepare for an upcoming exam.

The tutor instructed the student on the principles of NMR spectroscopy, covering nuclear spin, magnetic fields, shielding/deshielding, chemical shift, and signal splitting (multiplicity). They discussed how to interpret NMR spectra to determine molecular structure and the differences between proton and carbon NMR, including practical considerations like deuterated solvents and Fourier transforms. The session also touched upon exceptions like aromatic anisotropy and introduced concepts like J coupling.

The tutor and student extensively reviewed Infrared (IR) spectroscopy, covering fundamental principles, characteristic absorption bands for various functional groups (like C-H, C=O, O-H, N-H), and the impact of hydrogen bonding. They practiced identifying organic compounds by analyzing IR spectra in conjunction with molecular formulas and mass spectrometry data through multiple example problems.