Chem. J. Chinese Universities ›› 2026, Vol. 47 ›› Issue (6): 20260053.doi: 10.7503/cjcu20260053
• Organic Chemistry • Previous Articles Next Articles
LI Yalin, ZHOU Dejun, LU Chuang, ZHANG Yangqi, DU Siye, ZHENG Weixin(
)
Received:2026-01-29
Online:2026-06-10
Published:2026-03-05
Contact:
ZHENG Weixin
E-mail:wxzheng@hznu.edu.cn
Supported by:CLC Number:
TrendMD:
LI Yalin, ZHOU Dejun, LU Chuang, ZHANG Yangqi, DU Siye, ZHENG Weixin. Synthesis of Alkoxy Phenolic Sulfonate via Synergistically Non-symmetrical Sulfonylation-alkylation of Diphenol[J]. Chem. J. Chinese Universities, 2026, 47(6): 20260053.
| Compd. | Appearance | Isolated yield(%) | m. p./℃ | Compd. | Appearance | Isolated yield(%) | m. p./℃ |
|---|---|---|---|---|---|---|---|
| 2a | White solid | 80 | 54—55 | 2g | White solid | 87 | 98—99 |
| 2b | Colorless oil | 76 | — | 2h | Colorless oil | 60 | — |
| 2c | Colorless oil | 65 | — | 2i | Colorless oil | 85 | — |
| 2d | Colorless oil | 60 | — | 2j | Colorless oil | 72 | — |
| 2e | Colorless oil | 50 | — | 2k | Colorless oil | 56 | — |
| 2f | Colorless oil | 66 | — | 2l | Colorless oil | 18 | — |
Table 1 Appearance and yields of compound 2a—2l
| Compd. | Appearance | Isolated yield(%) | m. p./℃ | Compd. | Appearance | Isolated yield(%) | m. p./℃ |
|---|---|---|---|---|---|---|---|
| 2a | White solid | 80 | 54—55 | 2g | White solid | 87 | 98—99 |
| 2b | Colorless oil | 76 | — | 2h | Colorless oil | 60 | — |
| 2c | Colorless oil | 65 | — | 2i | Colorless oil | 85 | — |
| 2d | Colorless oil | 60 | — | 2j | Colorless oil | 72 | — |
| 2e | Colorless oil | 50 | — | 2k | Colorless oil | 56 | — |
| 2f | Colorless oil | 66 | — | 2l | Colorless oil | 18 | — |
| Compd. | 1H NMR(500 MHz, CDCl3), δ | 13C NMR(126 MHz, CDCl3), δ |
|---|---|---|
| 2a[ | 7.72(d, J=8.3 Hz, 2H), 7.31(d, J=8.3 Hz, 2H), 7.16(t, J=8.2 Hz, 1H), 6.78(dd, J=8.3, 2.2 Hz, 1H), 6.59—6.54(m, 2H), 3.72(s, 3H), 2.45(s, 3H) | 160.4, 150.5, 145.3, 132.5, 129.9, 129.7, 128.9, 114.3, 113.1, 108.2, 55.5, 21.7 |
| 2b[ | 7.69(d, J=8.7 Hz, 2H), 7.42(d, J=8.7 Hz, 2H), 7.10(t, J=8.3 Hz, 1H), 6.71(ddd, J=8.4, 2.4, 0.7 Hz, 1H), 6.49(t, J=2.3 Hz 1H), 6.45(ddd, J=8.1, 2.2, 0.8 Hz, 1H), 3.65(s, 3H) | 160.5, 150.3, 141.0, 133.9, 130.1, 129.9, 129.5, 114.1, 113.2, 108.2, 55.5 |
| 2c[ | 7.63(d, J=8.3 Hz, 2H), 7.22(d, J=8.0 Hz, 2H), 7.05(t, J=8.3 Hz, 1H), 6.67(ddd, J=8.4, 2.4, 0.7 Hz, 1H), 6.47(t, J=2.3 Hz, 1H), 6.43(ddd, J=8.1, 2.2, 0.8 Hz, 1H), 3.83(q, J=8.0 Hz, 2H), 2.35(s, 3H), 1.27(t, J=8.0 Hz, 3H) | 159.8, 150.5, 145.3, 132.5, 129.8, 129.7, 128.5, 114.1, 113.6, 108.7, 63.7, 21.7, 14.6 |
| 2d[ | 7.77(d, J=8.7 Hz, 2H), 7.49(d, J=8.7 Hz, 2H), 7.16(t, J=8.3 Hz, 1H), 6.78(dd, J=8.4, 2.4 Hz, 1H), 6.57(t, J=2.3 Hz 1H), 6.52(dd, J=8.2, 2.2, 0.7 Hz, 1H), 3.94(q, J=7.0 Hz, 2H), 1.37(t, J=7.0 Hz, 3H) | 159.9, 150.2, 141.0, 133.9, 130.0, 129.9, 129.5, 113.9, 113.8, 108.7, 63.8, 14.6 |
| 2e[ | 7.66(d, J=8.3 Hz, 2H), 7.23(d, J=8.0 Hz, 2H), 6.99(t, J=8.4 Hz, 1H), 6.65(d, J=8.4 Hz, 1H), 6.57(d, J=8.4 Hz, 1H), 3.72(s, 3H), 2.37(s, 3H), 1.85(s, 3H) | 158.7, 148.8, 145.2, 133.2, 129.8, 128.4, 126.3, 120.8, 114.5, 108.6, 55.8, 21.7, 9.4 |
| 2f[ | 7.64(d, J=8.4 Hz, 2H), 7.23(d, J=8.1 Hz, 2H), 6.51(s, 1H), 6.35(s, 1H), 6.23(t, J=2.2 Hz, 1H), 3.59(s, 3H), 2.36(s, 3H), 2.16(s, 3H) | 160.1, 150.3, 145.3, 140.5, 132.6, 129.8, 128.5, 115.2, 113.8, 105.1, 55.4, 21.7, 21.5 |
| Compd. | 1H NMR(500 MHz, CDCl3), δ | 13C NMR(126 MHz, CDCl3), δ |
| 2g[ | 7.78(d, J=8.7 Hz, 2H), 7.46(d, J=8.7 Hz, 2H), 7.20—7.17(m, 2H), 6.89(td, J=7.8, 1.4 Hz, 1H), 6.82(dd, J=8.2, 1.3 Hz, 1H), 3.52(s, 3H) | 151.5, 140.6, 138.1, 134.7, 130.1, 129.0, 128.4, 124.1, 120.8, 112.7, 55.3 |
| 2h[ | 7.62(d, J=8.3 Hz, 2H), 7.23(d, J=8.0 Hz, 2H), 6.80(d, J=9.1 Hz, 2H), 6.69(d, J=9.1 Hz, 2H), 3.69(s, 3H), 2.38(s, 3H) | 158.2, 145.4, 143.0, 132.3, 129.8, 128.5, 123.3, 114.5, 55.5, 21.7 |
| 2i[ | 7.79—7.77(m, 2H), 7.53—7.51(m, 2H), 7.25(d, J=8.7 Hz, 1H), 6.64(d, J=2.6 Hz, 1H), 6.44(dd, J=8.6, 2.6 Hz, 1H), 3.81(s, 3H) | 155.7, 148.5, 141.3, 133.5, 130.4, 130.0, 129.6, 121.5, 114.5, 107.0, 56.4 |
| 2j[ | 7.63(d, J=8.3 Hz, 2H), 7.24(d, J=8.0 Hz, 2H), 7.13(d, J=8.7 Hz, 1H), 6.53(d, J=2.6 Hz, 1H), 6.36(dd, J=8.6, 2.6 Hz, 1H), 3.89(q, J=7.0 Hz, 2H), 2.37(s, 3H), 1.33(t, J=7.0 Hz, 3H) | 154.9, 148.7, 145.6, 132.0, 130.2, 129.8, 128.6, 121.4, 114.5, 108.0, 64.9, 21.7, 14.4 |
| 2k[ | 7.71(d, J=8.3 Hz, 2H), 7.32 (d, J=8.3 Hz, 2H), 7.22(d, J=8.6 Hz, 1H), 6.62(d, J=2.5 Hz, 1H), 6.45(dd, J=8.6, 2.5 Hz, 1H), 3.78(s, 3H), 2.45(s, 3H) | 155.5, 148.8, 145.9, 132.0, 130.1, 129.8, 128.6, 121.1, 114.7, 107.1, 56.3, 21.7 |
| 2l* | 7.78(d, J=7.9 Hz, 2H), 7.52(d, J=7.8 Hz, 2H), 7.42(dd, J=8.6, 0.9 Hz, 1H), 6.62(d, J=2.4 Hz, 1H), 6.40(ddd, J=8.6, 2.6, 0.9 Hz, 1H), 3.81(s, 3H) | 156.6, 149.3, 141.3, 133.5, 130.2, 130.0, 129.6, 115.0, 110.3, 106.9 |
Table 2 1H NMR and 13C NMR data of compounds 2a—2l
| Compd. | 1H NMR(500 MHz, CDCl3), δ | 13C NMR(126 MHz, CDCl3), δ |
|---|---|---|
| 2a[ | 7.72(d, J=8.3 Hz, 2H), 7.31(d, J=8.3 Hz, 2H), 7.16(t, J=8.2 Hz, 1H), 6.78(dd, J=8.3, 2.2 Hz, 1H), 6.59—6.54(m, 2H), 3.72(s, 3H), 2.45(s, 3H) | 160.4, 150.5, 145.3, 132.5, 129.9, 129.7, 128.9, 114.3, 113.1, 108.2, 55.5, 21.7 |
| 2b[ | 7.69(d, J=8.7 Hz, 2H), 7.42(d, J=8.7 Hz, 2H), 7.10(t, J=8.3 Hz, 1H), 6.71(ddd, J=8.4, 2.4, 0.7 Hz, 1H), 6.49(t, J=2.3 Hz 1H), 6.45(ddd, J=8.1, 2.2, 0.8 Hz, 1H), 3.65(s, 3H) | 160.5, 150.3, 141.0, 133.9, 130.1, 129.9, 129.5, 114.1, 113.2, 108.2, 55.5 |
| 2c[ | 7.63(d, J=8.3 Hz, 2H), 7.22(d, J=8.0 Hz, 2H), 7.05(t, J=8.3 Hz, 1H), 6.67(ddd, J=8.4, 2.4, 0.7 Hz, 1H), 6.47(t, J=2.3 Hz, 1H), 6.43(ddd, J=8.1, 2.2, 0.8 Hz, 1H), 3.83(q, J=8.0 Hz, 2H), 2.35(s, 3H), 1.27(t, J=8.0 Hz, 3H) | 159.8, 150.5, 145.3, 132.5, 129.8, 129.7, 128.5, 114.1, 113.6, 108.7, 63.7, 21.7, 14.6 |
| 2d[ | 7.77(d, J=8.7 Hz, 2H), 7.49(d, J=8.7 Hz, 2H), 7.16(t, J=8.3 Hz, 1H), 6.78(dd, J=8.4, 2.4 Hz, 1H), 6.57(t, J=2.3 Hz 1H), 6.52(dd, J=8.2, 2.2, 0.7 Hz, 1H), 3.94(q, J=7.0 Hz, 2H), 1.37(t, J=7.0 Hz, 3H) | 159.9, 150.2, 141.0, 133.9, 130.0, 129.9, 129.5, 113.9, 113.8, 108.7, 63.8, 14.6 |
| 2e[ | 7.66(d, J=8.3 Hz, 2H), 7.23(d, J=8.0 Hz, 2H), 6.99(t, J=8.4 Hz, 1H), 6.65(d, J=8.4 Hz, 1H), 6.57(d, J=8.4 Hz, 1H), 3.72(s, 3H), 2.37(s, 3H), 1.85(s, 3H) | 158.7, 148.8, 145.2, 133.2, 129.8, 128.4, 126.3, 120.8, 114.5, 108.6, 55.8, 21.7, 9.4 |
| 2f[ | 7.64(d, J=8.4 Hz, 2H), 7.23(d, J=8.1 Hz, 2H), 6.51(s, 1H), 6.35(s, 1H), 6.23(t, J=2.2 Hz, 1H), 3.59(s, 3H), 2.36(s, 3H), 2.16(s, 3H) | 160.1, 150.3, 145.3, 140.5, 132.6, 129.8, 128.5, 115.2, 113.8, 105.1, 55.4, 21.7, 21.5 |
| Compd. | 1H NMR(500 MHz, CDCl3), δ | 13C NMR(126 MHz, CDCl3), δ |
| 2g[ | 7.78(d, J=8.7 Hz, 2H), 7.46(d, J=8.7 Hz, 2H), 7.20—7.17(m, 2H), 6.89(td, J=7.8, 1.4 Hz, 1H), 6.82(dd, J=8.2, 1.3 Hz, 1H), 3.52(s, 3H) | 151.5, 140.6, 138.1, 134.7, 130.1, 129.0, 128.4, 124.1, 120.8, 112.7, 55.3 |
| 2h[ | 7.62(d, J=8.3 Hz, 2H), 7.23(d, J=8.0 Hz, 2H), 6.80(d, J=9.1 Hz, 2H), 6.69(d, J=9.1 Hz, 2H), 3.69(s, 3H), 2.38(s, 3H) | 158.2, 145.4, 143.0, 132.3, 129.8, 128.5, 123.3, 114.5, 55.5, 21.7 |
| 2i[ | 7.79—7.77(m, 2H), 7.53—7.51(m, 2H), 7.25(d, J=8.7 Hz, 1H), 6.64(d, J=2.6 Hz, 1H), 6.44(dd, J=8.6, 2.6 Hz, 1H), 3.81(s, 3H) | 155.7, 148.5, 141.3, 133.5, 130.4, 130.0, 129.6, 121.5, 114.5, 107.0, 56.4 |
| 2j[ | 7.63(d, J=8.3 Hz, 2H), 7.24(d, J=8.0 Hz, 2H), 7.13(d, J=8.7 Hz, 1H), 6.53(d, J=2.6 Hz, 1H), 6.36(dd, J=8.6, 2.6 Hz, 1H), 3.89(q, J=7.0 Hz, 2H), 2.37(s, 3H), 1.33(t, J=7.0 Hz, 3H) | 154.9, 148.7, 145.6, 132.0, 130.2, 129.8, 128.6, 121.4, 114.5, 108.0, 64.9, 21.7, 14.4 |
| 2k[ | 7.71(d, J=8.3 Hz, 2H), 7.32 (d, J=8.3 Hz, 2H), 7.22(d, J=8.6 Hz, 1H), 6.62(d, J=2.5 Hz, 1H), 6.45(dd, J=8.6, 2.5 Hz, 1H), 3.78(s, 3H), 2.45(s, 3H) | 155.5, 148.8, 145.9, 132.0, 130.1, 129.8, 128.6, 121.1, 114.7, 107.1, 56.3, 21.7 |
| 2l* | 7.78(d, J=7.9 Hz, 2H), 7.52(d, J=7.8 Hz, 2H), 7.42(dd, J=8.6, 0.9 Hz, 1H), 6.62(d, J=2.4 Hz, 1H), 6.40(ddd, J=8.6, 2.6, 0.9 Hz, 1H), 3.81(s, 3H) | 156.6, 149.3, 141.3, 133.5, 130.2, 130.0, 129.6, 115.0, 110.3, 106.9 |
| Entry | Base(mmol) | Sulphonylation reagent(mmol) | Time/h | Yield b (%) | |
|---|---|---|---|---|---|
| Compd. 2a | 1,3⁃Phenylene bisarenesulfonate | ||||
| 1 c | K2CO3(3.0) | p⁃TsCl(1.5) | 12 | 0 | 75 |
| 2 | K2CO3(3.0) | p⁃TsCl(1.5) | 11 | 26 | 62 |
| 3 | K2CO3(3.0) | p⁃TsCl(2.0) | 10 | 35 | 40 |
| 4 | K2CO3(3.5) | p⁃TsCl(2.0) | 10 | 47 | 38 |
| 5 | K2CO3(4.0) | p⁃TsCl(2.0) | 8 | 60 | 19 |
| 6 | K2CO3(4.5) | p⁃TsCl(2.0) | 9 | 50 | 12 |
| 7 d | K2CO3(4.5) | p⁃TsCl(2.0) | 11 | 32 | 3 |
| 8 | K2CO3(4.0) | p⁃TsCl(2.5) | 6 | 88 | <1 |
| 9 | K2CO3(4.0) | p⁃TsCl(3.0) | 6 | 74 | 9 |
| 10 | Na2CO3(4.0) | p⁃TsCl(2.5) | 8 | 67 | 5 |
| 11 | Ca(OH)2(4.0) | p⁃TsCl(2.5) | 6 | NR e | NR |
| 12 | KHCO3(4.0) | p⁃TsCl(2.5) | 6 | NR | NR |
| 13 | NaHCO3(4.0) | p⁃TsCl(2.5) | 8 | NR | NR |
| 14 | K2CO3(4.0) | p⁃ClC6H4SO2Cl(2.5) | 2 | 90 f | <1 |
| 15 | K2CO3(4.0) | p⁃CF3C6H4SO2Cl(2.5) | 6 | 0 g | 45 |
Table 3 Optimization of sulfonylation⁃alkylation of compound 1a a
| Entry | Base(mmol) | Sulphonylation reagent(mmol) | Time/h | Yield b (%) | |
|---|---|---|---|---|---|
| Compd. 2a | 1,3⁃Phenylene bisarenesulfonate | ||||
| 1 c | K2CO3(3.0) | p⁃TsCl(1.5) | 12 | 0 | 75 |
| 2 | K2CO3(3.0) | p⁃TsCl(1.5) | 11 | 26 | 62 |
| 3 | K2CO3(3.0) | p⁃TsCl(2.0) | 10 | 35 | 40 |
| 4 | K2CO3(3.5) | p⁃TsCl(2.0) | 10 | 47 | 38 |
| 5 | K2CO3(4.0) | p⁃TsCl(2.0) | 8 | 60 | 19 |
| 6 | K2CO3(4.5) | p⁃TsCl(2.0) | 9 | 50 | 12 |
| 7 d | K2CO3(4.5) | p⁃TsCl(2.0) | 11 | 32 | 3 |
| 8 | K2CO3(4.0) | p⁃TsCl(2.5) | 6 | 88 | <1 |
| 9 | K2CO3(4.0) | p⁃TsCl(3.0) | 6 | 74 | 9 |
| 10 | Na2CO3(4.0) | p⁃TsCl(2.5) | 8 | 67 | 5 |
| 11 | Ca(OH)2(4.0) | p⁃TsCl(2.5) | 6 | NR e | NR |
| 12 | KHCO3(4.0) | p⁃TsCl(2.5) | 6 | NR | NR |
| 13 | NaHCO3(4.0) | p⁃TsCl(2.5) | 8 | NR | NR |
| 14 | K2CO3(4.0) | p⁃ClC6H4SO2Cl(2.5) | 2 | 90 f | <1 |
| 15 | K2CO3(4.0) | p⁃CF3C6H4SO2Cl(2.5) | 6 | 0 g | 45 |
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