References
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- 3b: mp 200–202°C; IR (Solidfilm) 1664, 1660, 1595, 1447, 1398, 1275, 1164, 924, 764 cm−1; 1H NMR (CDCL3, 300 MHz) δ 8. 12–7. 85 (m, 18H); 13C NMR (CDCl3, 75 MHz) δ 194. 9, 143. 9, 143. 1, 136. 3, 133. 3, 130. 5, 130. 1, 128. 6, 127. 9
- mp 74–76°C; IR (Solid film) 1658, 1592, 1497, 1277, 1245, 1169, 976, 748 cm−1; 1H NMR (CDCl3, 300 MHz) δ 7. 83–6. 69 (m, 13H), 1. 34 (s, 9H); 13C NMR (CDCl3, 75MHz) δ 195. 5, 162. 0, 153. 0, 147. 6, 138. 1, 132. 4, 132. 1, 131. 7, 129. 8, 128. 2, 126. 9, 119. 7, 116. 9, 34. 5, 31. 5.
- mp 138- 140°C; IR (solid film) 2961, 1654, 1593, 1500, 1242, 1170, 928, 766 cm−1; 1NMR (CDCl3, 300 MHz) δ 7. 79 (m, 4H), 7. 40 (m, 4H), 7. 02 (m, 8H); 13C NMR (CDCl3, 75 MHz) δ 194. 3, 161. 7, 153. 1, 147. 5, 132. 2, 130. 9, 126. 8, 119. 6, 116. 9, 34. 4, 31. 5.
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- Otto , R. 1886 . Chem. Ber. , 19 : 2425
- Ingold , C. K. and Jessop , J. A. 1930 . J. Chem. Soc. , : 708
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- Cerfontain , H. 1968 . “ Mechanistic Aspects in Aromatic Sulfonation and Desulfonatioon ” . Interscience . Ch. 15
- Polymer , 11 was characterized by 1H NMR and 13C NMR. According to the 13C NMR, it is very likely that polymer chains are hydroxyl terminated. The intrinsic viscosity value and the relatively low Tg are indicative of the moderate molecular weight nature of 11
- 11: IR(solid film) 3059, 2969, 1659, 1591, 1499, 1277, 1244, 1169, 1014, 929, 731 cm−1. 1H NMR(CDCl3) δ 8. 08(m, 4H), 7. 86(m, 4H), 7. 77(m, 4H), 7. 28 (m, 4H), 7. 00(m, 8H), 1. 72(s, 6H). 13C NMR(CDCl3, 75 MHz) δ 193. 6, 163. 0, 162. 5, 153. 0, 147. 1, 143. 7, 142. 7, 132. 5, 132. 1, 130. 5, 130. 2, 129. 6, 128. 4, 128. 3, 127. 8, 127. 7, 120. 4, 119. 8, 119. 5, 117. 1, 116. 1, 113. 7, 42. 4, 30. 9. Tg = 148 °C (DSC), third heating, heating rate, 10 °C/min. (η) = 0. 4, CHCl3, 25 °C. Tonset = 435 °C (TGA), heating rate, 10 °C/min.