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2 was also tried with different Lewis acid catalysts. Only a trace amount of possible product was observed by LC-MS analysis.
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2 was also tried with different Lewis acid catalysts. Only a trace amount of possible product was observed by LC-MS analysis.
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Although NMR analysis of crude products did not reveal the presence of the other regioisomers, theoretically the reaction could be regioselective.
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Although NMR analysis of crude products did not reveal the presence of the other regioisomers, theoretically the reaction could be regioselective.
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