REACTIONS OF ARYL DIAZONIUM SALTS AND ARYLAZO ALKYL ETHERS .4. SUBSTITUENT EFFECTS ON THE RATES OF SOME REACTIONS OF SYN-ARYLAZO ETHYL ETHERS IN ETHANOL

Substituent effects on the rates of ionization (k-1s), decomposition (kD) and syn-anti interconversion (kp) for a number of syn-ary]azo ethyl ethers have been measured. The rates of ionization and syn- anti interconversion correlate well with sigma while the rates of decomposition correlate with σ+. Substituent effects on the ionization of the.syn-ethers are compared to those for ionization of the anti-ethers. Substituent effects on the rate of syn-anti interconversion support the proposed ionization- recombination mechanism. © 1979 ASEG.