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Synthesis of 2‑Phospha[7]helicene, a Helicene with a Terminal Phosphinine Ring
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SYSNO ASEP 0558546 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Synthesis of 2‑Phospha[7]helicene, a Helicene with a Terminal Phosphinine Ring Author(s) Beránek, Tomáš (UCHP-M) RID, ORCID, SAI
Jakubec, Martin (UCHP-M) RID, ORCID, SAI
Sýkora, Jan (UCHP-M) RID, ORCID, SAI
Císařová, I. (CZ)
Žádný, Jaroslav (UCHP-M) RID, SAI, ORCID
Storch, Jan (UCHP-M) RID, ORCID, SAISource Title Organic Letters. - : American Chemical Society - ISSN 1523-7060
Roč. 24, č. 26 (2022), s. 4756-4761Number of pages 6 s. Language eng - English Country US - United States Keywords circularly-polarized-light ; photophysical properties ; coordination chemistry ; phospinines OECD category Organic chemistry R&D Projects GA20-19353S GA ČR - Czech Science Foundation (CSF) Method of publishing Limited access Institutional support UCHP-M - RVO:67985858 UT WOS 000818763300001 EID SCOPUS 85134361095 DOI 10.1021/acs.orglett.2c01723 Annotation A synthetic strategy toward phosphahelicenes containing a terminal phosphinine ring has been explored. The 4-phenyl-6-methyl-2-phospha[7]helicene was prepared from starting 2-bromobenzo[c]phenanthrene in 12% overall yield in 12 steps. The synthetic approach involves introduction of the phosphorus function prior to photocyclization forming the final
helicene skeleton, followed by the formation of a phosphorus hexacycle. The structure of the first phosphahelicene with a terminal phosphinine ring was confirmed by X-ray crystallography.Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2024 Electronic address http://hdl.handle.net/11104/0332184
Number of the records: 1