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Effect of electron-withdrawing type substituents in the polyaniline ring on the electrical conductivity

✍ Scribed by C.O. Sánchez; C.J. Bustos; D.A. Mac-Leod Carey

Publisher
Springer
Year
2005
Tongue
English
Weight
316 KB
Volume
54
Category
Article
ISSN
0170-0839

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✍ A.R. Brember; A.A. Gorman; J.B. Sheridan 📂 Article 📅 1971 🏛 Elsevier Science 🌐 French ⚖ 193 KB

The light induced ring closure of cycloheptatrienes to bicycle-[3,2,0]-hepta-2,6-dienes is generally directionally specific in those cases where theoretically two bicyclic products may be formed (1). We have recently rationalised this fact in terms of the effect of eubstituents on the dirdction of p