2+2)and (4+2)-cycloadducts are formed by thermal reaction of xanthenethione with allenes. Activation parameters for this "concerted two step" (a2s+s2s+n2S) reaction are presented. Photochemical addition of thiones to allenes have well been studied'. However, thermal addi-
Thermal [π2s+π2s+π2s]-cycloaddition of thiobenzophenone to substituted phenylallenes. Hammett correlation of rates and ionization energies
✍ Scribed by J. Kamphuis; P.D.J. Grootenhuis; H.J.T. Bos
- Book ID
- 108381869
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- French
- Weight
- 229 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0040-4039
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