Table 13.
Examples of ozonides (1,2,4-trioxolanes) synthesized by the Griesbaum method.
Oxime 174 | Ketone 175 | Ozonolysis conditions | 1,2,4-Trioxolane 176 | Yield, % | Ref. |
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hexane, −78 °C | ![]() |
47–67 | [256] |
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pentane, CH2Cl2, 0 °C | ![]() |
54 | [91] |
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pentane, CH2Cl2, 0 °C | ![]() |
10–75 | [91,94] [95,296] |
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pentane, CH2Cl2, 0 °C | ![]() |
23–50 | [91–93] |
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pentane, 0 °C | ![]() |
48 | [92–93] |
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pentane, CH2Cl2, 0 °C | ![]() |
32–58 | [91–93] |
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pentane, CH2Cl2, 0 °C | ![]() |
20–70 | [91–93,96] [97,297] |
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pentane, 0 °C | ![]() |
38 | [91] |
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pentane, 0 °C | ![]() |
41 | [91] |
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pentane, CH2Cl2, 0 °C | ![]() |
33 | [91] |
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hexane, CH2Cl2, 0 °C |
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17 | [91] |
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pentane, CH2Cl2, 0 °C | ![]() |
27 | [91] |
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pentane, CH2Cl2, 0 °C | ![]() |
53 | [92–93] |
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pentane, CH2Cl2, 0 °C | ![]() |
n.d.a | [96–97] |
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cyclohexane CH2Cl2, 0 °C | ![]() |
30 | [298] |
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cyclohexane CH2Cl2, 0 °C | ![]() |
54 | [298] |
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cyclohexane, CH2Cl2, 0 °C | ![]() |
78 | [258] |
aYield was not determined