Intramolecular cycloadditions with azomethine ylides for the synthesis of metacyclophanes
摘要:
On thermal treatment of the aziridines 5a - fintramolecular cycloaddition reactions of the intermediate azomethine ylides 6 result in the formation of the metacyclophanes 7 - 9. For 7a and 7b the conformational barriers areestimated to be approximately 20 and 12 kcal/mol, respectively.
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DOI:
10.1016/S0040-4039(00)84895-9
被引量:
年份:
1986
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来源期刊
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2010
被引量:9
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