The indanone N-H type excited-state intramolecular proton transfer (ESIPT); the observation of a mechanically induced ESIPT reaction

被引：0

作者：

You, Jhu-Jyun ^{[1
]}

Lin, Yan-Ding ^{[2
]}

Hsu, Chao-Hsien ^{[2
]}

Hu, Jiun-Wei ^{[1
]}

Tsai, Ying-Yi ^{[2
]}

Qu, Hao-Ting ^{[2
]}

Chen, Kew-Yu ^{[1
]}

Chou, Pi-Tai ^{[2
]}

机构：

[1] Feng Chia Univ, Dept Chem Engn, Taichung 40724, Taiwan

[2] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2024年 / 26卷 / 40期

关键词：

TRIBOLUMINESCENCE; EMISSION; ACID;

D O I：

10.1039/d4cp02862g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the design and synthesis of indanone derivatives 1-4 with RR ' N-H & ctdot;O 00000000 00000000 00000000 00000000 11111111 00000000 11111111 00000000 00000000 00000000 C intramolecular hydrogen bonds, in which ESIPT takes place and its dynamics and thermodynamics correlate with H-bond strength, facilitated by electron-withdrawing R ' groups. Compound 4 (R ' = COCF3) shows mechanically induced ESIPT for the first time, where -CF3 & ctdot;HN- interaction plays a key role in the non-centrosymmetric crystal packing. We designed and synthesized indanone derivatives with ESIPT, correlated to H-bond strength. Compound 4 shows mechanically induced ESIPT for the first time, with -CF3-HN- interactions crucial for non-centrosymmetric crystal packing.

引用

页码：25767 / 25771

页数：5

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