| abstract |
A heterocyclically substituted ethane having a formula:n wherein A represents a heterocyclic ring selected from a trans 2,5 disubstituted 1,3 dioxan ring and a 2,5 disubstituted 1,3-pyrimidine ring; n R, represents an alkyl group having from 1 to 15 carbon atoms and R 2 represents a group selected from hydrogen, alkyl having from 1 to 15 carbon atoms and alkoxy having from 1 to 15 carbon atoms provided that where A is a trans 2,5 disubstituted 1,3 dioxan ring R 2 is alkyl; and n Cy represents a trans-1,4 disubstituted cyclohexane ring. |