Mechanisms of organic reactions. Acidity and acid catalysis; linear free energy relationships; isotope effects. Molecular orbital theory; photochemistry; pericyclic reactions. May be concurrently scheduled with course C243A.
P/NP or letter grading.
When it runs Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites Official UCLA wording
Requisites: courses 30C and 30CL (may be taken concurrently), 110B, and 113A, with grades of C– or better.
BruinTree reads · Prerequisite
confidence 1.00 · from text Doesn’t match the catalog? Tell us → Requires Everything that has to come before this course, not just the courses named in the requisite above.
CHEM C143A
CHEM 30C Organic Chemistry III: Reactivity, Synthesis, and Biomolecules CHEM 30B Organic Chemistry II: Reactivity, Synthesis, and Spectroscopy CHEM 30A Organic Chemistry I: Structure and Reactivity CHEM 30B Organic Chemistry II: Reactivity, Synthesis, and Spectroscopy another path to it CHEM 30A Organic Chemistry I: Structure and Reactivity another path to it CHEM 30AL General Chemistry Laboratory II 2 more beneath CHEM 30B Organic Chemistry II: Reactivity, Synthesis, and Spectroscopy another path to it CHEM 30C Organic Chemistry III: Reactivity, Synthesis, and Biomolecules another path to it CHEM 110A Physical Chemistry: Chemical Thermodynamics 6 more beneath CHEM 14A General Chemistry for Life Scientists I 2 more beneath CHEM 14AE General Chemistry for Life Scientists I—Enhanced 2 more beneath MATH 3C Ordinary Differential Equations with Linear Algebra for Life Sciences Students CHEM 14B General Chemistry for Life Scientists II 1 more beneath CHEM 14BE General Chemistry for Life Scientists II—Enhanced 1 more beneath PHYSICS 1A Physics for Scientists and Engineers: Mechanics another path to it CHEM 20A Chemical Structure another path to it CHEM 20AH Chemical Structure (Honors) another path to it CHEM 113A Physical Chemistry: Introduction to Quantum Mechanics another path to it MATH 32A Calculus of Several Variables another path to it CHEM 113A Physical Chemistry: Introduction to Quantum Mechanics 5 more beneath CHEM 14A General Chemistry for Life Scientists I another path to it CHEM 14AE General Chemistry for Life Scientists I—Enhanced another path to it MATH 31A Differential and Integral Calculus another path to it MATH 31A Differential and Integral Calculus 1 more beneath PHYSICS 1A Physics for Scientists and Engineers: Mechanics MATH 31A Differential and Integral Calculus another path to it MATH 31B Integration and Infinite Series another path to it MATH 32A Calculus of Several Variables another path to it MATH 32B Calculus of Several Variables another path to it PHYSICS 1AH Physics for Scientists and Engineers: Mechanics (Honors) MATH 31A Differential and Integral Calculus another path to it MATH 31B Integration and Infinite Series another path to it MATH 32A Calculus of Several Variables another path to it MATH 3B Calculus for Life Sciences Students 1 more beneath MATH 31B Integration and Infinite Series another path to it MATH 32A Calculus of Several Variables another path to it PHYSICS 1B Physics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields MATH 31B Integration and Infinite Series another path to it PHYSICS 1A Physics for Scientists and Engineers: Mechanics another path to it MATH 32A Calculus of Several Variables another path to it PHYSICS 1BH Physics for Scientists and Engineers: Oscillations, Waves, Electric and Magnetic Fields (Honors) MATH 31B Integration and Infinite Series another path to it PHYSICS 1A Physics for Scientists and Engineers: Mechanics another path to it MATH 32A Calculus of Several Variables another path to it 4 direct requisites. Showing 54 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.
Unlocks What this course is a requisite for, and what those courses lead to in turn.
CHEM C143A
CHEM C143B Mechanism and Structure in Organic Chemistry 1 course lists this as a requisite. The whole downstream is here — 1 course over 1 level. Every course here opens its own tree.