Chem. J. Chinese Universities ›› 1984, Vol. 5 ›› Issue (5): 649.
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He Yongbing, Wu Chengtai
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Abstract: This paper reports the synthesis of a new nitrogen-containing crown ether compounds (azacrown-ether). Condensation of 1, 2-bis(ω-chloro-polyoxaalkyl)-benzene such as 1, 2-bis (5-chloro-3-oxa-l-pentyloxy)-ben-zene, 1, 2-bis(8-chloro-3, 6-dioxa-l-octyloxy)-benzene and 1,2-bis (11-chloro-3,6,9-trioxa-1-undecyloxy)-benzene with N, N′, N"-tritosyl diethylenetriamine or N, N′, N", N′"-tetratosyl triethylenetetraamine disodium salts in anhydrous DMFat reflux temperature for 7-8 hours produced six new nitrogen-containing crown ether compounds, yield 46-75%.
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He Yongbing, Wu Chengtai . Synthesis of a New Type Nitrogen-Containing Crown Ether Compounds[J]. Chem. J. Chinese Universities, 1984, 5(5): 649.
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http://www.cjcu.jlu.edu.cn/EN/Y1984/V5/I5/649