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Autor:
Ekaterina Zelenova, Dina C. Merrer, and Aidan Flaherty, Lillian Seu, Marina Khrapunovich, Alexis N. Sabo
Publikováno v:
The Journal of Organic Chemistry. 72:7574-7580
Dihalocarbenes add regioselectively to aryl-substituted benzocyclopropenes to produce dihalobenzocyclobutenes. The regioselectivity of addition is not due to steric effects but depends on the electronic donor or acceptor ability of the substituent. B