Synlett 2013; 24(13): 1707-1711
DOI: 10.1055/s-0033-1339283
letter
© Georg Thieme Verlag Stuttgart · New York

Facile Oxidation of Alcohols to Aldehydes or Ketones with 1-Acetoxy-5-nitro-1,2-benziodoxole-3(1H)-one

Authors

  • Masataka Iinuma

    Graduate School of Science, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan   Fax: +81(43)2902792   eMail: togo@faculty.chiba-u.jp
  • Katsuhiko Moriyama

    Graduate School of Science, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan   Fax: +81(43)2902792   eMail: togo@faculty.chiba-u.jp
  • Hideo Togo*

    Graduate School of Science, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan   Fax: +81(43)2902792   eMail: togo@faculty.chiba-u.jp
Weitere Informationen

Publikationsverlauf

Received: 26. April 2013

Accepted after revision: 21. Mai 2013

Publikationsdatum:
28. Juni 2013 (online)


Graphical Abstract

Preview

Abstract

Various benzylic alcohols and aliphatic secondary alcohols were smoothly oxidized to the corresponding aromatic aldehydes, aromatic ketones, and aliphatic ketones, respectively, with the novel 1-acetoxy-5-nitro-1,2-benziodoxole-3(1H)-one (ANBX) alone, a trivalent iodine prepared from the oxidation of 2-iodo-5-­nitrobenzoic acid with MCPBA. The present reaction is the first ­effective method for the oxidation of alcohols with a trivalent iodine alone under mild reaction conditions.

Supporting Information

 
  • References and Notes

  • 6 Experimental Procedure for the Preparation of 1-Acetoxy-5-nitro-1,2-benziodoxol-3(1H)-one (ANBX): 2-Iodobenzoic acid (5.0 mmol 1.24 g) was added to a solution mixture of 1 M HNO3 (4 mL) and 1 M H2SO4 (6 mL) slowly at 0 °C. The reaction mixture was stirred for 30 min at r.t. Then, the mixture was stirred for 3 h at 130 °C. After the reaction was complete, the mixture was added to ice-water (30 mL), and the obtained mixture was filtered to afford 2-iodo-5-nitrobenzoic acid in 85% yield. To a solution of 2-iodo-5-nitrobenzoic acid (5.0 mmol 1.46 g) in AcOH (40 mL) was added MCPBA (6.0 mmol 1.59 g). The reaction mixture was stirred for 48 h at 65 °C. After the reaction was complete, the reaction mixture was added to Et2O (40 mL) at 0 °C, and the obtained mixture was filtered to afford 1-acetoxy-5-nitro-1,2-benziodoxol-3(1H)-one in 95% (1.67 g) yield. ANBX is not explosive below 200 °C. 1-Acetoxy-5-nitro-1,2-benziodoxol-3(1H)-one: mp 175–179 °C. IR (neat): 1697, 1665, 1525, 1346 cm–1. 1H NMR (500 MHz, DMF-d 7): δ = 1.96 (s, 3 H), 8.26 (d, J = 8.9 Hz, 1 H), 8.67 (d, J = 2.3 Hz, 1 H), 8.78 (dd, J = 2.3, 2.6 Hz, 1 H). 13C NMR (125 MHz, DMF-d 7): δ = 20.84, 125.52, 128.20, 128.81, 128.85, 134.31, 150.81, 166.82, 172.53. HRMS (ESI): m/z [M + H] calcd for C9H7O6NI: 351.9313; found: 351.9320.
  • 7 Iinuma M, Moriyama K, Togo H. Synlett 2012; 23: 2663
  • 8 Experimental Procedure for the Oxidation of Alcohols in DMF: To a solution of 4-methylbenzyl alcohol (1.0 mmol, 122.1 mg) in DMF (4 mL) was added 1-acetoxy-5-nitro-1,2-benziodoxol-3(1H)-one (2.0 mmol, 703.8 mg). The mixture was stirred for 24 h at 65 °C. After the reaction was complete, the reaction mixture was added to aq NaHCO3 (10 mL). The aqueous layer was extracted with a mixture of Et2O–hexane (1:1; 3 × 10 mL). The organic layer was dried over Na2SO4 and filtered. After removal of the solvent under reduced pressure, 4-methylbenzaldehyde was obtained with 98% purity. The purity was estimated by 1H NMR. The purified 4-methylbenzaldehyde was obtained in 97% yield by a flash short column chromatography on silica gel. On the other hand, the aqueous layer was acidified (pH ca. 2) with 1 M aq HCl (15 mL) and the obtained mixture was filtered to afford 2-iodo-5-nitrobenzoic acid in over 92% yield. ANBX could be easily obtained again by the oxidation of 2-iodo-5-nitrobenzoic acid by MCPBA in over 94% yield. 4-Methylbenzaldehyde: oil (commercial, oil). IR (neat): 2827, 2734, 1702, 809 cm–1. 1H NMR (400 MHz, CDCl3): δ = 2.44 (s, 3 H), 7.33 (d, J = 7.9 Hz, 2 H), 7.78 (d, J = 7.9 Hz, 2 H), 9.97 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 21.50, 129.33, 129.46, 133.81, 145.15, 191.62. 4-Chlorobenzaldehyde: mp 48–49 °C (commercial, mp 47–50 °C). IR (Nüjol): 2727, 1710 cm–1. 1H NMR (400 MHz, CDCl3): δ = 7.52 (d, J = 8.4 Hz, 2 H), 7.83 (d, J = 8.4 Hz, 2 H), 9.98 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 128.93, 130.36, 134.16, 140.39, 190.31. Piperoylaldehyde: mp 37–39 °C (commercial, mp 36–38 °C). IR (Nüjol): 2725, 1685 cm–1. 1H NMR (400 MHz, CDCl3): δ = 6.07 (s, 2 H), 6.93 (d, J = 7.9 Hz, 1 H), 7.32 (d, J = 1.6 Hz, 1 H), 7.41 (dd, J = 7.9, 1.6 Hz, 1 H), 9.80 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 102.02, 106.77, 108.24, 128.55, 131.77, 148.60, 153.00, 190.17. 4-Phenylbenzaldehyde: mp 57–58 °C (commercial, mp 58 °C). IR (Nüjol): 2726, 1708, 833 cm–1. 1H NMR (400 MHz, CDCl3): δ = 7.40 (t, J = 7.2 Hz, 1 H), 7.47 (t, J = 7.2 Hz, 2 H), 7.62 (d, J = 7.2 Hz, 2 H), 7.73 (d, J = 8.2 Hz, 2 H), 7.93 (d, J = 8.2 Hz, 2 H), 10.04 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 126.94, 127.26, 128.06, 128.60, 129.85, 134.77, 139.26, 146.74, 191.49. 4-(Allyloxy)benzaldehyde: oil. IR (neat): 1686, 1596, 1251, 1157, 829 cm–1. 1H NMR (400 MHz, CDCl3): δ = 4.62 (d, J = 5.2 Hz, 2 H), 5.33 (dd, J = 10.6, 1.4 Hz, 1 H), 5.44 (dd, J = 17.4, 1.4 Hz, 1 H), 6.01–6.10 (m, 1 H), 7.01 (d, J = 8.8 Hz, 2 H), 7.83 (d, J = 8.6 Hz, 2 H), 9.88 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 68.90, 114.89, 118.27, 129.91, 131.87, 132.18, 163.49, 190.71.> 2-Thiophenecarboxaldehyde: oil (commercial, oil). IR (neat): 2820, 2761, 1671 cm–1. 1H NMR (400 MHz, CDCl3): δ = 7.22 (dd, J = 4.8, 3.8 Hz, 1 H), 7.75–7.82 (m, 2 H), 9.95 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 128.22, 135.03, 136.21, 143.94, 182.89. Nicotinaldehyde: oil. IR (neat): 1699, 1588, 700 cm–1. 1H NMR (400 MHz, CDCl3): δ = 7.50–7.54 (m, 1 H), 8.20 (d, J = 8.8 Hz, 1 H), 8.87 (d, J = 8.6 Hz, 1 H), 9.10 (s, 1 H), 10.14 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 123.45, 131.02, 135.49, 151.55, 154.27, 190.49. Benzo[b]thiophen-2-carbaldehyde: oil. IR (neat): 1665, 1515, 1133, 747, 725, 657 cm–1. 1H NMR (400 MHz, CDCl3): δ = 7.38 (t, J = 7.6 Hz, 1 H), 7.44 (t, J = 7.6 Hz, 1 H), 7.81 (d, J = 8.2 Hz, 1 H), 7.86 (d, J = 7.7 Hz, 1 H), 7.92 (s, 1 H), 10.03 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 122.92, 124.96, 126.01, 127.89, 134.36, 138.21, 142.23, 142.93, 184.44. Propiophenone: oil (commercial, oil). IR (neat): 1686 cm–1. 1H NMR (400 MHz, CDCl3): δ = 1.23 (t, J = 7.3 Hz, 3 H), 3.00 (q, J = 7.3 Hz, 2 H), 7.45 (t, J = 7.7 Hz, 2 H), 7.55 (t, J = 7.7 Hz, 1 H), 7.96 (d, J = 7.7 Hz, 2 H). 13C NMR (100 MHz, CDCl3): δ = 7.72, 31.25, 127.44, 128.02, 132.35, 136.39, 200.28. 1-Phenylnonan-1-one: oil. IR (neat): 2924, 1685, 689 cm–1. 1H NMR (400 MHz, CDCl3): δ = 0.88 (t, J = 6.0 Hz, 3 H), 1.23–1.38 (m, 10 H), 1.69–1.77 (m, 2 H), 2.92 (t, J = 7.3 Hz, 2 H), 7.41 (t, J = 6.7 Hz, 2 H), 7.50 (t, J = 6.7 Hz, 1 H), 7.94 (d, J = 8.3 Hz, 2 H). 13C NMR (100 MHz, CDCl3): δ = 13.86, 22.44, 24.24, 28.97, 29.15, 29.26, 31.62, 38.28, 127.75, 128.24, 132.53, 136.80, 199.92. Benzophenone: mp 49–52 °C (commercial, mp 49 °C). IR (Nüjol): 1657 cm–1. 1H NMR (400 MHz CDCl3): δ = 7.48 (t, J = 7.5 Hz, 4 H), 7.58 (t, J = 7.5 Hz, 2 H), 7.80 (d, J = 7.5 Hz, 4 H). 13C NMR (100 MHz, CDCl3): δ = 128.20, 129.98, 132.35, 137.51, 196.70. trans-Cinnamaldehyde: oil (commercial, oil). IR (neat): 2816, 2743, 1676 cm–1. 1H NMR (400 MHz, CDCl3): δ = 6.72 (dd, J = 7.7, 16.1 Hz, 1 H), 7.41–7.46 (m, 3 H), 7.48 (d, J = 16.1 Hz, 1 H), 7.54–7.60 (m, 2 H), 9.71 (d, J = 7.7 Hz, 1 H). 13C NMR (100 MHz, CDCl3): δ = 128.31, 128.42, 128.93, 131.09, 133.81, 152.60, 193.52. 1-Adamantanecarboxaldehyde: mp 140–142 °C. IR (Nüjol): 2815, 2698, 1722 cm–1. 1H NMR (400 MHz, CDCl3): δ = 1.68–1.80 (m, 12 H), 2.03–2.09 (m, 3 H), 9.32 (s, 1 H). 13C NMR (100 MHz, CDCl3): δ = 27.31, 35.80, 36.52, 44.82, 206.09. Camphor: mp 170–173 °C (commercial, mp 172–180 °C). IR (Nüjol): 1749 cm–1. 1H NMR (400 MHz, CDCl3): δ = 0.84 (s, 3 H), 0.91 (s, 3 H), 0.96 (s, 3 H), 1.30–1.45 (m, 2 H), 1.68 (td, J = 12.5, 4.0 Hz, 1 H), 1.84 (d, J = 18.4 Hz, 1 H), 1.90–2.00 (m, 1 H), 2.09 (t, J = 4.0 Hz, 1 H), 2.35 (dt, J = 18.4, 4.0 Hz, 1 H). 13C NMR (100 MHz, CDCl3): δ = 9.08, 18.98, 19.61, 26.89, 29.75, 42.89, 43.14, 46.62, 57.53, 219.53. Cyclododecanone: mp 60–62 °C (commercial, mp 61 °C). IR (neat): 2928, 1702, 1470 cm–1. 1H NMR (500 MHz, CDCl3): δ = 1.24–1.34 (m, 14 H), 1.68–1.74 (m, 4 H), 2.46 (t, J = 6.2 Hz, 4 H). 13C NMR (100 MHz, CDCl3): δ = 21.99, 22.21, 23.87, 24.25, 24.40, 40.01, 212.46. 5α-Cholestan-3-one: mp 123–125 °C (commercial, mp 128–129 °C). IR (Nüjol): 1719 cm–1. 1H NMR (400 MHz, CDCl3): δ = 0.68 (s, 3 H), 0.69–0.76 (m, 1 H), 0.84–0.92 (m, 9 H), 1.01 (s, 3 H), 0.94–1.18 (m, 9 H), 1.23–1.44 (m, 9 H), 1.46–1.60 (m, 4 H), 1.66–1.74 (m, 1 H), 1.78–1.89 (m, 1 H), 1.96–2.12 (m, 3 H), 2.21–2.44 (m, 3 H). 13C NMR (100 MHz, CDCl3): δ = 11.43, 12.04, 18.64, 21.42, 22.53, 22.79, 23.79, 24.19, 27.98, 28.21, 28.95, 31.69, 35.36, 35.61, 35.76, 36.11, 38.17, 38.54, 39.47, 39.88, 42.56, 44.70, 46.68, 53.78, 56.23, 212.12. 2,3,4,6-Tetra-O-benzy-d-glucono-1,5-lactone: oil. IR (neat): 2919, 2869, 1755, 1454, 1165, 1094, 738, 698 cm–1. 1H NMR (400 MHz, CDCl3): δ = 3.64–3.75 (m, 2 H), 3.88–3.98 (m, 2 H), 4.12 (d, J = 6.1 Hz, 1 H), 4.43–4.76 (m, 8 H), 4.98 (d, J = 11.3 Hz, 1 H), 7.15–7.41 (m, 20 H). 13C NMR (100 MHz, CDCl3): δ = 68.21, 73.52, 73.69 (2 × C), 73.91, 76.01, 78.12, 80.92, 127.79 (3 × C), 127.91, 127.96 (3 × C), 128.08, 128.37, 128.41 (2 × C), 128.45, 136.90, 137.46 (2 × C), 137.55, 169.31. HRMS (ESI): m/z [M + H] calcd for C34H35O6: 539.2428; found: 539.2423.