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Access to Chiral Rigid Hemicyanine Fluorophores from Tröger Bases and α-Imino Carbenes

Published inOrganic Letters, vol. 22, no. 19, p. 7599-7603
Publication date2020
Abstract

Chiral hemicyanine fluorophores are afforded in three steps only from Tröger bases via α-imino carbene additions, an original aminal deprotection and Cu(II)-mediated oxidation. The stable benzodiazepinoindolium salts are readily isolated and present (chir)optical properties that can be fine-tuned by late-stage cross-coupling functionalization. The hemicyanine character of dyes was rationalized using first principles.

Citation (ISO format)
SALEH, Nidal et al. Access to Chiral Rigid Hemicyanine Fluorophores from Tröger Bases and α-Imino Carbenes. In: Organic Letters, 2020, vol. 22, n° 19, p. 7599–7603. doi: 10.1021/acs.orglett.0c02726
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ISSN of the journal1523-7060
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Creation10/05/2020 10:10:00 AM
First validation10/05/2020 10:10:00 AM
Update time03/15/2023 10:42:43 PM
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