4-{3,5-Bis[2,3,5,6-tetrafluoro-4-(piperazin-1-yl)phenyl]-4,5-dihydro-1H-pyrazol-1-yl}benzaldehyde in the Synthesis of New Dendritic Chromophores

被引：0
|
作者：
Ishchenko, R. A. [1 ,2 ]
Orlova, N. A. [1 ]
Shelkovnikov, V. V. [1 ,3 ]
Maksimov, A. M. [1 ]
Ryazanov, N. D. [1 ,2 ]
Berezhnaya, V. N. [1 ,2 ]
Chernonosov, A. A. [4 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Vorozhtsov Novosibirsk Inst Organ Chem, Novosibirsk 630090, Russia
[2] Novosibirsk Natl Res State Univ, Novosibirsk 630090, Russia
[3] Novosibirsk State Tech Univ, Novosibirsk 630073, Russia
[4] Russian Acad Sci, Inst Chem Biol & Fundamental Med, Siberian Branch, Novosibirsk 630090, Russia
来源：
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2025年 / 61卷 / 01期
关键词：
polyfluorotriphenylpyrazolines; dicyanoisophorone; Boc-piperazine; dipolar chromophores; branched structures; DONOR BLOCKS; DERIVATIVES; PIPERAZINE; POLYMERS; DYES;
D O I：
10.1134/S1070428024604722
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The reaction of 4-[3,5-bis(2,3,5,6-tetrafluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]benzaldehyde with tert-butyl piperazine-1-carboxylate gave Boc-protected 4-{3,5-bis[2,3,5,6-tetrafluoro-4-(piperazin-1-yl)-phenyl]-4,5-dihydro-1H-pyrazol-1-yl}benzaldehyde. The latter reacted as a donor block with dicyanoisophorone as an acceptor block in butan-1-ol in the presence of morpholine to produce a dipolar dye with Boc-protected piperazine fragments. After removal of the Boc protection by the action of HCl, the resulting bis-piperazinium dihydrochloride was acylated with benzoyl chloride and its branched derivatives to afford new dipolar chromophores.
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收藏
页码：184 / 189
页数：6
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