New symmetrical chiral dibenzyl-and diphenyl-substituted diamido-, dithionoamido-, diaza-, and azapyridino-18-crown-6 ligands

P Huszthy, M Oue, JS Bradshaw, CY Zhu…

Index: Huszthy, Peter; Oue, Masatoshi; Bradshaw, Jerald S.; Zhu, Cheng Y.; Wang, Tingmin; et al. Journal of Organic Chemistry, 1992 , vol. 57, # 20 p. 5383 - 5394

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Citation Number: 88

Abstract

Eleven new chiral macrocycles (1-1 1, see Figure 1) of the pyridino-18-crown-6 type have been prepared. Nine diazapyridino-crown ligands contain two amide (1, R= benzyl; 4, R= phenyl), two N-methylamide (7, R= phenyl), two thionoamide (2, R= benzyl; 6, R= phenyl), two N-methylthionoamide (8, R= phenyl), two amine (3, R= benzyl; 6, R= phenyl), or two N- methylamine (9, R= phenyl) groups incorporated into the macroring. The appropriate ...