%0 journal article %@ 0039-7911 %A Schroeter, M.,Weyerstahl, P. %D 2004 %J Synthetic Communications %N 8 %P 1535-1540 %R doi:10.1081/SCC-120030704 %T Unexpected Formation of Previously Unknown Cyclohex-2-enone Dreivative via Carbonyl -ene-Synthesis at Room Temperature %U https://doi.org/10.1081/SCC-120030704 8 %X The unexpected formation of 6-methyl-2-(2-methylpropenyl)cyclohex-2 enone (6) during a deprotecting reaction of 1,3-dioxane (5) via an interesting,carbonyl-ene reaction at room temperature with original aim to,obtain 4,8-dimethyl-5-oxonon-6-en-1-al (4) is reported. An alternative,route to aldehyde (4) is also presented.