Bridged [18] annulenes. A study of the synthesis and properties of 12c, 12d, 12e, 12f-tetrahydrobenzo [g, h, i] perylene and its analogs

RB DuVernet, O Wennerstrom, J Lawson…

Index: DuVernet,R.B. et al. Journal of the American Chemical Society, 1978 , vol. 100, # 8 p. 2457 - 2464

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Citation Number: 26

Abstract

2b, 2c, 2d, 2e, and 2f, respectively. All of the 12~, 12d, 12e, l2f-benzo [g, h, i] perylene derivatives show the NMR spectral characteristics to be expected for bridged [18lannulenes having a strong diamagnetic ring current. The effect of different bridging groups upon the magnitude of the ring current is discussed. For those bridged [18lannulene derivatives (2d and 2f) having internal methyl groups, dehydrogenation or oxidation leads to the ...