W. Weigand, Gabriele Bosl, B. V. Sielingen
1994
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Journal
Zeitschrift für Naturforschung. B, A journal of chemical sciences
Abstract
Sensitized photooxidation of 4-phenyl-1,2-dithiolane 1 has been studied. Reacting it with 0.5 mole equivalents of singlet oxygen, a mixture of 1, 4-phenyl-1,2-dithiolane-1-oxide 2, and 4-phenyl-1,2-dithiolane-2-dioxide 3 is produced. Using one mole equivalent of singlet oxygen, 3 is obtained in high yields. The chemical oxidation of 1 using H 2 O 2 /HOAc yields pure 2. With 2 a diastereoselectivity of 10: 1 is observed. The oxidative addition of 1 to L 2 Pt (η 2 -C 2 H 4 ) (L=PPh, (4), 1/2 dppe (5)] leads to the 3-phenyl-propane dithiolato complexes L 2 Pr-S-CH 2 -CHPh-CH 2 -S 6a,b