Contrasteric coupling of allenes and tetrahydroisoquinolines by iron-catalysed allenic C(sp2)–H functionalisation†
Yidong
Wang 
*a
and
Yi-Ming
Wang
*a
*a
and
Yi-Ming
Wang
*a
Abstract
An iron-catalysed C–H functionalisation of simple monosubstituted allenes for the synthesis of 1-tetrahydroisoquinolinyl 1,1-disubstituted allenes is reported. This transformation represents the first example of a direct conversion of allenic C–H bonds to C–C bonds through cross dehydrogenative coupling. The optimized protocol features broad scope and employs mild, functional group tolerant conditions.
- This article is part of the themed collection: Functionalization of unreactive C-H bonds
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