1. Tetramethyl-1,3-cyclobutanedione, 2,2,4,4-Tetramethyl-1,3-cyclobutanediol, Properties, Reactions; Technical Data Report, Eastman Chemical Products, Inc., May 1960.
2. The Chemistry of Dimethylketene Dimer. III.1 Reactions with Ammonia and Amines
3. Reactions of 2,2,4,4-tetramethyi-1,3-cyclobutanedione with aziridines and other nucleophiles
4. Reactions of 2,2,4,4-tetramethyl-1,3-cyclobutanedione with amines and other nucleophiles. II