S. Venkateswarlu et al., An unusual product in the condensation of 3-t-butyl-2-hydroxy-5-methoxybenzaldehyde with acetylacetone, J CHEM R-S, (3), 2000, pp. 138-139
The reaction of 3-t-butyl-2-hydroxy-5-methoxybenzaldehyde 6 with acetytacet
one resulted in the formation of an unusual product, 1-[8-(t-butyl)-6-metho
xy-2H-chromem-2-ylidene] acetone 4.