The regioselective lithiation–functionalization of 2-arylazetidines has been explored. The nature of the N-substituent is mainly responsible for a regioselectivity switch. ortho-Lithiation occurred, using hexyllithium as a greener base, in N-alkylazetidines, while abenzylic lithiation has been observed with N-Boc azetidines.
Regioselective functionalization of 2-arylazetidines: evaluating the ortho-directing ability of the azetidinyl ring and the a-directing ability of the N-substituent
DEGENNARO, LEONARDO;LUISI, Renzo
2014
Abstract
The regioselective lithiation–functionalization of 2-arylazetidines has been explored. The nature of the N-substituent is mainly responsible for a regioselectivity switch. ortho-Lithiation occurred, using hexyllithium as a greener base, in N-alkylazetidines, while abenzylic lithiation has been observed with N-Boc azetidines.File in questo prodotto:
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