UV Laser-Induced Phototransformations of Matrix-Isolated 5-Chloro-3-nitro-2-hydroxyacetophenone

被引：0

作者：

Pagacz-Kostrzewa, Magdalena ^{[1
]}

Mucha, Karolina ^{[1
]}

Wierzejewska, Maria ^{[1
]}

Filarowski, Aleksander ^{[1
]}

机构：

[1] Univ Wroclaw, Fac Chem, F Joliot Curie 14, PL-50383 Wroclaw, Poland

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2023年 / 24卷 / 02期

关键词：

photoisomerization; argon matrices; nitro group; DFT; FT-IR; CIS-TRANS ISOMERIZATION; PROTON-TRANSFER; SOLVENT;

D O I：

10.3390/ijms24021546

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Conformational changes of 5-chloro-3-nitro-2-hydroxyacetophenone were studied by experimental and theoretical methods. Phototransformations of the compound were induced in low-temperature argon matrices by using UV radiation, which was followed by FT-IR measurements. Two types of changes within the molecule were detected: rotations of the hydroxyl and acetyl groups. A new conformer without an intramolecular hydrogen bond was generated upon irradiation with lambda = 330 nm, whereas the reverse reaction was observed at 415 nm.

引用

页数：7

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