abstract |
A process for the producing ethane derivatives having the formula (II): R1-(A1-Z1)n-A2-CH2CH2-A-Q, in which R1, A1, Z1, n, A2, Q and A have the meaning given in claim 1. A reactive methylene compound is converted with a compound having the formula (I): CH3-A-Q, in the presence of a base. |