Characterization of poly(1-methyl-1,4-butanediol-1,4-diyl/2,3,4-trihydro-5-methylfuran-2,5-diyl) prepared from natural rubber through 2D NMR spectroscopy

2011 ◽  
Vol 122 (5) ◽  
pp. 3423-3429 ◽  
Author(s):  
Takayuki Saito ◽  
Yoshimasa Yamamoto ◽  
Seiichi Kawahara ◽  
Yoshito Ohtake
Polymer ◽  
2007 ◽  
Vol 48 (3) ◽  
pp. 750-757 ◽  
Author(s):  
Takayuki Saito ◽  
Warunee Klinklai ◽  
Seiichi Kawahara

2017 ◽  
Vol 113 ◽  
pp. 6-12 ◽  
Author(s):  
Nuorn Choothong ◽  
Kenichiro Kosugi ◽  
Yoshimasa Yamamoto ◽  
Seiichi Kawahara

2013 ◽  
Vol 78 (15) ◽  
pp. 7648-7657 ◽  
Author(s):  
Aurélie Lemétais ◽  
Yann Bourdreux ◽  
Philippe Lesot ◽  
Jonathan Farjon ◽  
Jean-Marie Beau

Author(s):  
Khadim Dioukhane ◽  
Younas Aouine ◽  
Asmae Nakkabi ◽  
Salaheddine Boukhssas ◽  
Hassane Faraj ◽  
...  

The identity of the 2-(4-Methyl-2-phenyl-4,5-dihydrooxazol-4-ylmethyl)-isoindole-1,3-dione, previously synthesized in our laboratory, was proven without doubt by means of 1D and 2D NMR spectroscopy. Two-dimensional NMR spectroscopy played a major role. The analysis of the 2D-COSY spectrum of isoindoline-1,3-dione derivative shows a perfect correlation between neighboring protons. Thus, a correlation was noted between the protons of the phthalimide, H(8) and H(9) on the one hand and H(8') and H(9') on the other hand. The analysis of the 2D-HSQC spectrum of the studied compound indicates a faultless correlation between protons and adjacent carbons, and no correlation in the case of all quaternary carbons.


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