CH 340
Monday Section, Spring 2026
Preparation of 1,2,3,6-Tetrahydrophthalic Anhydride: A Representative Diels Alder Reaction
Compound Molecular Grams mL Density Moles
weight
Furan 68 0.94 1 0.94 0.014
Maleic 98 1.5 — 0.015
Anhydride
1,2,3,6-Tetra 166 1.8 — 0.011
hydrophthalic
Anyhdride
Calculations:
Lab Questions:
Provide an acceptable mechanism along with the major product for each of the following: