ArticleAngewandte Chemie (International ed. in English)2026
Nickel-Catalyzed 1,2-Arylalkenylation of Unactivated Alkenes Enabled by a Native Hydroxy Group.
Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Transition-metal-catalyzed dicarbofunctionalization of alkenes represents a powerful strategy for building molecular complexity in a single step. Here we report an unprecedented nickel-catalyzed 1,2-arylalkenylation of unactivated alkenyl alcohols using alkenyl boronates and aryl iodides. This method uniquely leverages the native hydroxyl group as an intrinsic directing handle, eliminating the need for pre-installed auxiliaries and streamlining the synthesis of structurally diverse alkenol derivatives. The reaction proceeds under mild conditions with broad functional group tolerance and excellent regioselectivity, enabling efficient construction of valuable building blocks. Mechanistic studies, supported by DFT calculations, reveal a Ni(0)/Ni(I)/Ni(II) catalytic cycle probably involving aryl radical intermediates. By exploiting alcohols as directing groups, this work expands the scope of alkene dicarbofunctionalization and provides a versatile platform for late-stage functionalization relevant to pharmaceuticals, agrochemicals, and materials development.
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