Photochromism of O-Analogs of Thiathioph
β
Gion Calzaferri; Rolf Gleiter; Karl-Heinz Knauer; Erika Rommel; Erika Schmidt; H
π
Article
π
1973
π
John Wiley and Sons
π
German
β 604 KB
## Abstract Irradiation of Oβanalogs of thiathiophthenes yield a photoproduct which reverts thermally to the starting material. Kinetic measurements for this thermal reaction yield E~a~ values in the range of 10β15 kcal/mol and Ξ S\* values between β16 and β41 eu. Based on NMR. and IR. results the