The synthesis and properties of several annelated 1,5-Di-trans-[10]annulenes
- 1 January 1969
- journal article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 22 (7) , 1449-1456
- https://doi.org/10.1071/ch9691449
Abstract
Di-trans-1,2:3,4-dibenzo[7,8-c]furo[10]annulene (VI) and di-trans- 1,2:3,4-dibenzo-7,8-(3?,6?-epoxy-4?,5?- dimethoxycarbonyl)cyclo- hexeno[10]annulene (VII) have been synthesized. As a result of the steric interference of the internal hydrogen atoms, the former compound could be separated into two conformational isomers. Neither (VI) nor (VII) possessed a delocalized ten π-electron system.Keywords
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