Synthesis of azacrown ethers modified with side-chains containing germanium
R Suzuki, T Matsumoto, K Tanaka, Y Takeuchi…
Index: Suzuki, Ryoko; Matsumoto, Takashi; Tanaka, Katsumi; Takeuchi, Yoshito; Taketomi, Tamotsu Journal of Organometallic Chemistry, 2001 , vol. 636, # 1-2 p. 108 - 123
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Abstract
The reaction between ethanolamine (4) and tri-or tetraethylene tosylate (5) and (13) gave 9- and 12-membered monoazacrowns with a CH2CH2OH residue on nitrogen, A-OH and B- OH, together with 18-and 24-membered diazacrown ethers with the same substituent on nitrogen, E-OH and F-OH. If 2-(2-aminoethoxy) ethanol (12) was used in the reaction described above, instead of 4, the final products, G-OH and H-OH, and K-OH and L-OH, ...
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