Synthesis and NMR characteristics of N-acetyl-4-nitro, N-acetyl-5-nitro, N-acetyl-6-nitro and N-acetyl-7-nitrotryptophan methyl esters

被引：6

作者：

King, Russell R. ^{[1
]}

Calhoun, Larry A. ^{[2
]}

机构：

[1] Agr & Agr Food Canada, Potato Res Ctr, Fredericton, NB E3B 4Z7, Canada

[2] Univ New Brunswick, Dept Chem, Fredericton, NB E3B 5A3, Canada

来源：

MAGNETIC RESONANCE IN CHEMISTRY | 2009年 / 47卷 / 03期

关键词：

NMR; (1)H NMR; (13)C NMR; nitroindoles; nitrotryptophans; TWO-DIMENSIONAL NMR; STREPTOMYCES-SCABIES; PHYTOTOXINS; TRYPTOPHAN; THAXTOMIN; PROTEINS;

D O I：

10.1002/mrc.2377

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

N-acetyl-4-nitrotryptophan methyl ester (2), N-acetyl-5-nitrotryptophan methyl ester (3), N-acetyl-6-nitrotryptophan methyl ester (4) and N-acetyl-7-nitrotryptophan methyl ester (5) were synthesized through a modified malonic ester reaction of the appropriate nitrogramine analogs followed by methylation with BF(3)-methanol. Assignments of the (1)H and (13)C NMR chemical shifts were made using a combination of (1)H-(1)H COSY, (1)H-(13)C HETCOR and (1)H-(13)C selective INEPT experiments. Copyright (C) 2008 Crown in the right of Canada. Published by John Wiley & Sons, Ltd

引用

页码：273 / 276

页数：4

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