Carbon-13-carbon-13 spin coupling constants in aldoses enriched with 13C at the terminal hydroxymethyl carbon: effect of coupling pathway structure of JCC in carbohydrates.

Carbon-13-carbon-13 spin coupling constants in aldoses enriched with 13C at the terminal hydroxymethyl carbon: effect of coupling pathway structure of JCC in carbohydrates.
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末端羟甲基碳富含 13C 的醛糖中的碳-13-碳-13 自旋耦合常数:碳水化合物中 JCC 耦合途径结构的影响。

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发表时间:
1992
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影响因子:
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通讯作者:
A. Serianni
A. Serianni
中科院分区:
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文献类型:
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作者:
Jian Wu;P. B. Bondo;T. Vuorinen;A. Serianni

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在末端羟基甲基(ch2oh)碳上富集13c(99原子-% 13c),制备了8种醛糖糖(allo、altro、galacto、gluco、gulo、ido、manno、talo)、4种醛糖糖(arabino、lyxo、ribo、xylo)和2种醛糖糖(erythro、threo)。在75和125 MHz下获得高分辨率1 h解耦13c核磁共振谱,以获得单键(1 J CC)。
Eight aldohexoses (allo, altro, galacto, gluco, gulo, ido, manno, talo), four aldopentoses (arabino, lyxo, ribo, xylo), and two aldotetroses (erythro, threo) have been prepared with 13 C-enrichment (99 atom-% 13 C) at the terminal hydroxymethyl (CH 2 OH) carbon. High-resolution 1 H-decoupled 13 C NMR spectra were obtained at 75 and 125 MHz in order to obtain one-bond ( 1 J CC )