QuestionOrganic / Lewis-acid epoxide opening, intramolecular Friedel–Crafts
The major product formed in the following reaction is


- (a) 6,7,8,9-Tetrahydro-5H-benzo[7]annulen-5-ol (benzosuberanol, OH on the benzylic carbon)
- (b) 6,7-Dihydro-5H-benzo[7]annulene (benzosuberene)
- (c) 6,7,8,9-Tetrahydro-5H-benzo[7]annulene (benzosuberane)
- (d) (1,2,3,4-Tetrahydronaphthalen-1-yl)methanol
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