ChemInform Abstract: Synthesis and Spectroscopic Properties of 1,6-Methano[10]annulene-fused and 2,4-Dimethyl-7,12-methano-3H-cyclohepta[10]annulen-3-one-fused 10H-Pyrrolo[1,2-a]perimidin-10-ones.
β Scribed by Shigeyasu Kuroda; Naoko Matsumoto; Yanmei Zhang; Takako Abe; Yoshikazu Horino; Yurie Fujiwara; Mitsunori Oda
- Book ID
- 112044029
- Publisher
- John Wiley and Sons
- Year
- 2012
- Weight
- 31 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0931-7597
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π SIMILAR VOLUMES
A new quinodimethane, 1,6-methano[10]annulene-3,4-quinodimethane (1), was generated and trapped by the Diels-Alder reactions with various dienophiles to provide 1,6-methano[10]annelenes 3 fused with a six-membered ring at the 3,4-positions, one of which was derived to a benzene ring analogue 4.
The titZe quinarenone 2 has been prepared and proved that the three-membered ring possesses a larger diatropicity than diphenyZcycZopropenone and the seven-membered ring exists in a cycloheptatriene (not norcaradienel tautomer having a contribution of a homobenzene structure. The rotational barrier
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