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. 2016 Aug 3;12:1647–1748. doi: 10.3762/bjoc.12.162

Table 26.

Synthesis of cyclopentenones 534ad from saturated fulvene endoperoxides 533a–d.

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Endoperoxide Product Yield (trans:cis)

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533a
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534a
85% (8:1)
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533b
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534b
83% (2:1)
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533c
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534c
90% (6:1)
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533d
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534d
68%