abstract |
Compounds having the formula (I) R1- (Ao) k- (Z1-A1) m-Zo- (E) n- (Q) o- (Z2-A2) p-R2 can be readily produced in large quantities from organic zinc compounds having the formula (II) R1- (Ao) k- (Z1-A1) m-Zo-ZnY and from compounds having the formula (III) X- (E) n- (Q) o - (Z2-A2) p-R2, in which Ao, A1, A2, E, R1, R2, Zo, Z1, Z2, Q, k, m, n, o and p have the meaning given. |