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Photochromism of some bridged O-analogues of thiathiophthenes

✍ Scribed by R. Gleiter; K.-H. Knauer; Erika Schmidt; Y. Mollier; R. Pinel


Book ID
104246772
Publisher
Elsevier Science
Year
1973
Tongue
French
Weight
192 KB
Volume
14
Category
Article
ISSN
0040-4039

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## Abstract Irradiation of O‐analogs 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 10–15 kcal/mol and Ξ” S\* values between βˆ’16 and βˆ’41 eu. Based on NMR. and IR. results the

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