Silica supported urea-hydrogen peroxide as a source of oxygen

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<strong>Silica</strong>...Damandeep Kaur and B.R.Chabra.HHHHHHHOHOOO(5)O(8)HHHHHHHHOOOO(5)O(9)OOOHOHOHO(1)MajorMinor(11) (12)OOOOO(13)(14) (15)983 J. Chem. Bio. Phy. Sci. Sec. A, 2013, Vol.3, No.2, 980-987.
<strong>Silica</strong>...Damandeep Kaur and B.R.Chabra.Table-2: IR, 1 H NMR and 13 C NMR characterization data for compoundsCompoundIR Bands(ν max /cm -1 )1 H NMR (δ,CDCl 3 )13 C NMR (δ,CDCl 3 )OH3490, 2725,1620, 11209.5 (s, 1H), 6.5 (t,1H), 3.7 (t, 2H),3.3 (brs, 1H), 2.4(m, 2H), 1.8 (s,3H), 1.5 (m, 5H),1.0 (d, 3H)60.2 (t), 39.7 (t),29.4 (d), 37.7 (t),24.2 (t), 154.3 (d),138.5 (s), 192.8 (d),21.1 (q), 8.9 (q)CHO (2)HOHHHOO(4)3400, 1750,1668, 1155,1450, 932,8654.6 (m, 1H), 5.70and 6.15 (d, 1Heach), 1.04 (s, 3H),4.7 and 4.9 (d, 1Heach), 4.2 (t, 1H)33.1 (t), 31.5 (t),76.0 (d), 148.7 (s),50.5 (d), 30.4 (t),44.5 (d), 76.8 (d),44.8 (t), 28.7 (s),138.2 (s), 170.0 (s),123.9 (t), 23.1 (q),109.1 (t)HOHHHOH3600, 3082,1760, 1640,1600, 1144,8904.05 (t, 1H), 3.85(t, 1H), 5.55 and6.18 (d, 1H each),4.9 and 4.95 (brs,1H each), 5.48 and5.63 (d, 1H each)44.7 (d), 40.1 (t),81.1 (d), 155.6 (s),50.8 (d), 84.8 (d),48.2 (d), 31.4 (t),36.2 (t), 148.6 (s),138.4 (s), 170.0 (s),123.8 (t), 109.2 (t),109.0 (t)O(6)OHHHOO(7)1770, 1672,1475, 1355,1262, 890,8101.18 (3H, s), 2.80(1H each, d), 4.67(1H, m), 5.73 and6.40 (2H, brs)40.2 (t), 21.5 (t),35.9 (t), 62.1 (s),54.9 (d), 26.2 (t),41.5 (d), 77.0 (d),44.1 (t), 37.1 (s),138.5 (s), 170.1 (s),120.3 (t), 21.1 (q),50.3 (t)984 J. Chem. Bio. Phy. Sci. Sec. A, 2013, Vol.3, No.2, 980-987.
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Silica supported urea-hydrogen peroxide as a source of oxygen

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