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One-Pot Solvothermal Synthesis, Structure, and Fluorescence Properties of Bis(substituted salicylaldehyde) m-Phthaloylhydrazone Organotin Complexes
Author NameAffiliationE-mail
FENG Yong-Lan Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, Key Laboratory of Organometallic New Materials, College of Hunan Province, Hunan Provincial Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, Hunan 421008, China  
ZHANG Fu-Xing Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, Key Laboratory of Organometallic New Materials, College of Hunan Province, Hunan Provincial Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, Hunan 421008, China  
JIANG Wu-Jiu Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, Key Laboratory of Organometallic New Materials, College of Hunan Province, Hunan Provincial Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, Hunan 421008, China  
KUANG Dai-Zhi Key Laboratory of Functional Metal-Organic Compounds of Hunan Province, Key Laboratory of Organometallic New Materials, College of Hunan Province, Hunan Provincial Engineering Research Center for Monitoring and Treatment of Heavy Metals Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, Hunan 421008, China hnkcq@qq.com 
Abstract: Five bis(substituted salicylaldehyde) m-phthaloylhydrazone organotin complexes, m-Ph(CONH—N=CH (o-O)PhR1)(SnR2)2, were synthesized by one-pot solvothermal reaction of benzene-1,3-dicarbohydrazide, substituted salicylaldehydes and organotin precursors, respectively, where R1=Naphth, R2=Cy (1); R1=3-t-Bu, R2=n-Bu (2); R1= 5-F, R2=Ph (3); R1=4-Cl, R2=Ph (4); R1=3-t-Bu, R2=Ph (5). Their structures were characterized by elemental analysis, IR and 1H, 13C, 119Sn NMR, and the crystal structures of complexes 1-5 were confirmed by X-ray diffraction. Complexes 1-4 belong to the triclinic P1 space group and complex 5 crystallizes in the monoclinic P21 space group. The central tin and the coordinated atom form a five-coordinated distorted triangular bipyramids configuration. By C1—C2 or C4—C8 single bond rotation, the configuration of the two coordination chains on the central benzene ring is reversed. Here, it is defined that the configuration of salicylaldehyde acylhydrazone chain coordinated with organotin to form far from the central benzene ring is called“trans” , and the configuration with the same orientation as the central benzene ring is called“cis” . Therefore, complex 1 forms a“trans-trans”configuration, complex 2 forms a“cis-cis”configuration, and complexes 3, 4 and 5 form a“cis-trans”configuration. Fluorescence studies showed that the complexes had luminescence properties, especially the organic solutions of 1 and 4 had strong fluorescence properties.
Keywords: bis(substituted salicylaldehyde) m-phthaloylhydrazone organotin  one-pot solvothermal synthesis  crystal structure  fluorescence properties
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FENG Yong-Lan,ZHANG Fu-Xing,JIANG Wu-Jiu,KUANG Dai-Zhi.One-Pot Solvothermal Synthesis, Structure, and Fluorescence Properties of Bis(substituted salicylaldehyde) m-Phthaloylhydrazone Organotin Complexes[J].Chinese Journal of Inorganic Chemistry,2022,38(12):2443-2451.
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Chinese Journal of Inorganic Chemistry