• Undergoes the Stobbe condensation with carbonyl compounds to give alkylidene derivatives; review: Org. React., 6, 1 (1951). For the Stobbe condensation with benzophenone to give the monoester of the product, see: Org. Synth. Coll., 4, 132 (1963).
•
For an example of the acyloin condensation under silylating conditions to give 2-hydroxycyclobutanone, see: Org. Synth. Coll., 6, 167 (1988). An alternative work-up with bromine leads directly to 1,2-cyclobutanedione: Org. Synth. Coll., 7, 112 (1990):
