In the crystal structure of the title compound [ethyl 2-hydroxy-1 meth
yl-2-(2-propynyl)cycloheptane-1-prop-2-enoate, C16H24O3] the hydroxy a
nd the propargyl groups of neighbouring molecules form cooperative fin
ite hydrogen-bonded chains, C=C-H ... O-H ... O=C. In the C-H ... O in
teraction, the H ... O separation is 2.32 Angstrom.