Synthesis and Properties of 1-(3,5-Dimethyl-4-isoxazolyl)-2-[2-methyl-5-(6-hydroxymethylpyridyl)-3-thienyl]Perfluorocyclopentene

被引：0
作者：
Liao, Guan-Ming [1 ]
Zhang, Xiao-Xia [1 ]
Zheng, Chun-Hong [1 ]
Pu, Shou-Zhi [1 ]
机构：
[1] Jiangxi Sci & Technol Normal Univ, Jiangxi Key Lab Organ Chem, Nanchang 330013, Peoples R China
来源：
PROCEEDINGS OF THE 2ND ANNUAL INTERNATIONAL CONFERENCE ON ADVANCED MATERIAL ENGINEERING (AME 2016) | 2016年 / 85卷
关键词：
Diarylethene; Photochromic; Fluorescence; Pyridine moiety; OPTICAL-DATA STORAGE; RHODAMINE-B UNIT; PHOTOCHROMIC DIARYLETHENE; FLUORESCENCE; MEMORIES; SWITCHES; CU2+;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An asymmetrical photochromic diarylethene1-( 3,5-Dimethyl-4-isoxazolyl)-2-[2-methyl5-( 5-hydroxymethylpyridyl)-3-thienyl]perfluorocyclopentene (1o) was synthesized and its phtochromic, fluorescent properties were investigated in detail. This compound exhibited remarkable photochromism, upon irradiation with 297 nm UV light, the colorless solution of 1o turned to purple with a new visible absorption band centered at 539 nm (epsilon = 9.01 x 10(3) L mol(-1) cm-(1)) attributable to the closed-ring isomer 1c. The kinetic experiments showed that the cyclization and cycloreversion processes were zeroth and first order reaction, respectively. Moreover, diarylethene 1o also exhibited obvious fluorescence switch along with the photochromism. The emission intensity of diarylethene 1o in a photostationary state was quenched to ca. 38% in acetonitrilete.
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页码：1099 / 1103
页数：5
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