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S E Reactions on the C 3 + ‐Ring: σ‐Attack
Author(s) -
Weiss Robert,
Priesner Claus,
Wolf Hilmar
Publication year - 1978
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.197804461
Subject(s) - halogen , ring (chemistry) , electrophile , lithium (medication) , substitution reaction , electrophilic substitution , chemistry , computational chemistry , medicinal chemistry , organic chemistry , psychology , catalysis , alkyl , psychiatry
The range of reactions occurring at the highly stained cyclopropenylium system has been extended by two important examples. Thus conditions have now been reported which favor classical electrophilic aromatic substitution (2) → (1) and the synthetically important halogen/lithium exchange (2) → (3) in the C 3 + ‐system.