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(Used Jones reagent to create a ketone of of a carboxyl group, forcing a double bond to rotate around a cyclohexane).

2. Jurado-Gonzalez, M.; Sullivan, A. C.; Wilson, J. H. R. Tetrahedron 2003. 44, 4283-4286.

3. Zhou, Z.; Lin, Z.; Liang, D.; Hu, J. Tetrahedron, 69, 2013, 43-49.