Synthesis of both epimeric triacid ananlogs of kainic acid |
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| Authors: | Hai Ling Hao Pi Sun Guang Xing Wang Kyoji Fruta Masaaki Suzuki |
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| Institution: | a Institute of Chemistry and Chemical Engineering, Hennan Institute of Science and Technology, Xinxiang, Henan 453003, China;b Regeneration and Advanced Medical Science, Graduate School of Medicine, Gifu University, Gifu 501-1193, Japan |
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| Abstract: | Axially substituted tin phthalocyanines, namely dichloride-tetra-(α-pentyloxy) tin (IV) phthalocyanine 2, dihydroxy-tetra-(α-pentyloxy) tin (IV) phthalocyanine 3 and its dimmer di-μ-oxo-tetra-(α-pentyloxy) tin(IV) phthalocyanine 4 were synthesized. The catalytic effect of H2O-free CaCl2 in quinoline was used for condensation of dihydroxy tin phthalocyanine 3 to the cofacially array dimmer 4. Their structures were characterized by UV-vis, IR, elemental analysis, MS, as well as 1HNMR spectroscopy. |
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| Keywords: | Trans-4-hydroxyproline Kainic acid analogue Practical synthesis |
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