Tetrahedron letters

Syntheses of unsymmetrically N, N'-bis (substituted)-4, 13-diaza-18-crown-6-ether derivatives as a new electron donor-spacer-acceptor triad

M Morimoto, K Fukui, N Kawasaki, T Iyoda…

Index: Tetrahedron Letters, , vol. 34, # 1 p. 95 - 98

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Citation Number: 8

Abstract

... Tetrahedron Letters. Volume 34, Issue 1, 1 January 1993, Pages 95–98. ... 1 H-NMR (400 MHz, CDCl 3 , TMS): ; δ 2.74 (t, -OCH 2 CH 2 N-NB), δ 2.78 (t, Py-NCH 2 CH 2 O-), δ 3.56 (t, -OCH 2 CH 2 N-NB), δ 4.35 (t, Py-NCH 2 CH 2 O-), δ 3.56 (s,OCH 2 CH 2 O-), ; δ 7.47 (d), δ 8.10 (d ...