1 H NMR spectra in CDCl 3 of poly( N -vinylpyrrolidone), epoxidized poly( N -vinyl-pyrrolidone), and products derived from the latter by modification with amino acids (glycine, β-alanine, γ-aminobutyric acid, and ε-aminocaproic acid) were examined. The 1 H NMR spectra of the modified...
FT-IR spectra ofamonomer TMP,bEE-DMODA,cEZ-DMODA, anddpolymer PTMP.e13C NMR spectrum of monomer TMP in CDCl3, andf13C CP/MAS NMR spectrum of polymer PTMP. Full size image Interfacial polymerization-enhanced emission An interesting phenomenon was observed during this H2O-involved interfacial p...
1 H NMR (CDCl3) delta 6.98 (4H, s, aromatics), 3.8 (5H, t,)--OCH2, --O--CH3), 0.7-1.7 (15H, m, C7 H15). IR (NaCl plate): 750, 790, 825, 925, 1045, 1105, 1180, 1235, 1290, 1385, 1445, 1470, 1510, 1595, 1615, 1850, 2030, 2870, 2920, 2960, 3040. Anal. ...
The organic layer was extracted with water (3 x 20 mL) and brine (1 x 30 mL), dried with MgSO4 and concentrated in vacuo to obtain the final product as a yellow oil (0.2243g, 82%). 1H NMR (500 MHz, CDCl3) δ 0.86 (t, 3 H, J= 6.9 Hz), 1.20-1.22 (m, 23 H),...
13C NMR [125 MHz, CDCl3, 25 °C, δ = 77.0 (CDCl3)] δ = 171.2, 66.6, 55.4, 39.7, 30.7, 16.9. Synthesis of olefin-bearing amphiphilic copolymers The synthesis of the olefin-bearing amphiphilic copolymers (P1-O–P7-O) was carried out by the syringe technique under argon in baked ...
1H–, 13C-NMR Spectra: Varian 200, Bruker 300 and 50, 75 MHz spectrometer, respectively; in CDCl3 or (D6) DMSO; δ in ppm relative to TMS as internal standard, J in Hz. Mass spectra: VG Autospec; in m/z. Typical procedure Indoles (1 mmol) and formaldehyde (1 ml, 37% aqueous...
ain CDCl3; bin D2O; cin MeOH (with a capillary of C6D6). The second step in the precursor synthesis was the condensation reaction between the aldehydes of compound 1 with the Girard’s T reagent, yielding compound 3 as a white powder. The 31P NMR spectra of compound 3 were different...
Compounds 1–6 have been characterized in the form of tert-butyl esters. Spectral data for the new compounds are given below. Compound 1. 1H NMR (500 MHz, CDCl3,δ, ppm): 0.90–1.14 (m, 30H, (CH3)2CH), 1.21–1.53 (m, 45H, (CH3)3C), 1.58–1.74 (m, 10H, CH2), 1.85–2.46...
After the reac- tion, yield of the polyester was calculated by subtrac- tion weight of the catalyst from the isolated material (96% yield, run 11 in Table I). After reprecipitation using CHCl3 and diethyl ether, the yield was 85%. 1H NMR (200 MHz, CDCl3, , ppm): 1.20–1.24 (...
50.1 MHz 13C NMR spectrum of a CDCl3 solution of I at 30°C. HMDS 0 Table I. Result for the copolymerization of 1-(2-methylpropenoyloxy)phthalimide (I) and acrylonitrile (2)• Exptl. No. Monomer 1/g 2/g DMF cm 3 Time m Yie.ld mg mo! fraction of I in Monomer Polymer l'...