Tetrahedron letters

Benzocalicenes and benzotriaheptafulvalenes from cycloproparenes

B Halton, SJ Buckland, Q Mei, PJ Stang

文献索引：Halton, Brian; Buckland, Simon J.; Mei, Qiu; Stang, Peter J. Tetrahedron Letters, 1986 , vol. 27, # 42 p. 5159 - 5160

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被引用次数: 18

摘要

Abstract The benzocalicenes (8)/(9) and the first triaheptafulvalenes (10)–(13) are available by Peterson olefination of the corresponding cycloproparene. Small hypsochromic shifts are noted in their uv spectra; the dipole moments of (8) and (12) are 2.6 and 1.2 Debye respectively.