Synthesis of heterocyclic compounds on the basis of 2H-chromen-2-one derivatives

Ganushchak, N. I.; Kobrin, L. O.; Bilaya, E. E.; Mizyuk, V. L.

doi:10.1134/s1070428006070335

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“…This situation is further complicated by the fact that full NMR assignments are often not performed due to a partial or complete overlap of the proton signals of the coumarinic moiety and also of the aryl side group. The same situation is found in the literature regarding the assignment of the 13 C NMR spectral data for many coumarin derivatives 18–23…”

Section: Introductionsupporting

confidence: 75%

Complete assignment of the ¹H and ¹³C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives

Dekić¹,

Radulović²,

Vukićević³

et al. 2010

Magnetic Reson in Chemistry

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Herein, we describe the synthesis and complete assignment of the (1)H and (13)C NMR chemical shifts of a series of antimicrobial 4-arylamino-3-nitrocoumarin derivatives based on a combination of (1)H and (13)C NMR, (1)H-(1)H-COSY, NOESY, HSQC and HMBC experiments. Conformational effects upon the chemical shifts of the coumarin moiety arising from the anisotropy of the aryl side group are briefly discussed. This study provides the first complete and fully assigned NMR data for this important group of antimicrobial compounds and bridges the gap existing in the literature with regard to NMR structural data for 4-arylamino-3-nitrocoumarins.

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Section: Introductionsupporting

confidence: 75%

Complete assignment of the ¹H and ¹³C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives

Dekić¹,

Radulović²,

Vukićević³

et al. 2010

Magnetic Reson in Chemistry

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Synthesis of Heterocyclic Compounds (VI) on the Basis of 2H‐Chromen‐2‐one Derivatives.

et al. 2006

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Synthesis of heterocyclic compounds on the basis of 2H-chromen-2-one derivatives

Cited by 2 publications

References 2 publications

Complete assignment of the ¹H and ¹³C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives

Complete assignment of the ¹H and ¹³C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives

Synthesis of Heterocyclic Compounds (VI) on the Basis of 2H‐Chromen‐2‐one Derivatives.

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Synthesis of heterocyclic compounds on the basis of 2H-chromen-2-one derivatives

Cited by 2 publications

References 2 publications

Complete assignment of the 1H and 13C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives

Complete assignment of the 1H and 13C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives

Synthesis of Heterocyclic Compounds (VI) on the Basis of 2H‐Chromen‐2‐one Derivatives.

Contact Info

Product

Resources

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Complete assignment of the ¹H and ¹³C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives

Complete assignment of the ¹H and ¹³C NMR spectra of antimicrobial 4‐arylamino‐ 3‐nitrocoumarin derivatives