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Enantioselective synthesis of π-extended carbo[17]helicene via sequence-controlled quadruple [2+2+2] cycloadditions

Year: 2026

Type: article

Abstract: Sequence-controlled quadruple [2+2+2] cycloadditions, followed by onward Scholl reactions, enable the enantioselective synthesis of a giant π-extended carbo[17]helicene from a dodecayne substrate. This Ni-catalysed process forms a chiral nanocarbon that exhibits strong circularly polarized luminescence.

Source: Nature Synthesis

DOI: 10.1038/s44160-026-01193-3

Authors: Futo Morita, Takeshi Ichimura, Juntaro Nogami, Yuko Kishida, Kanato Takahashi, Ryota Shimizu, Hidehiro Uekusa, Ken Tanaka

Institutions: Kyoto University, Institute of Science Tokyo

Language: English

Topic: Synthesis and Properties of Aromatic Compounds

Subfield: Organic Chemistry

Field: Chemistry

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $12,690

Funders: Japan Society for the Promotion of Science, Japan Science and Technology Agency

Awards: G1987219981, Asymmetric Synthesis of Chiral Nonplanar Polycyclic Aromatic Molecules and Application to Materials Chemistry, G9001217656

OpenAlex ID: W7221749296

FWCI:

Cites: 61

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