Synthesis of N-unsubstituted di-and triaza crown ethers.

…, S Furuyoshi, Y Nakatsuji, M Okahara

Index: Maeda; Furuyoshi; Nakatsuji; Okahara Bulletin of the Chemical Society of Japan, 1983 , vol. 56, # 10 p. 3073 - 3077

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Citation Number: 16

Abstract

October, 1983] Synthesis of Aza Crown Ethers 3075 TABLE 2. SYNTHESIS or OLIGOAZA CROWN ETHERS BY THE REACTION or DIHYDROXY AMINE AND oucorrnvrsm: GLYCOL BIS(p-TOLUENESULFONATE)S (11) . . Yield Dihydroxy Disulfonate Mp 0m/°C or Crown ether amine (11) Base % Bp ob/°c (Torr) 10,19-Diaza- 120—125 (0.005) 21-crown-7(8{) 3a 11a t-BuOK 38 39—41 10,13-Diaza- 85—90 (0.02) 15-crown-5(15a) 4 11a t-BuONa 32 46—48 13,16- ...