Intramolecular ene reaction of a chiral bicyclic lactam.
Intramolecular ene reaction of a chiral bicyclic lactam.
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DOI:
10.1021/jo801696r
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发表时间:
2008-12-19
期刊:
影响因子:
--
通讯作者:
Resek JE
中科院分区:
文献类型:
--
作者:
Resek JE
The preparation of bicylic lactam 2 is described, employing an acetoacetate-based synthesis of 1,4-ketoacid 3. The lactam 2 was shown to undergo a thermal ene reaction at 280–300 °C to afford tricycle 7. Reduction of the ene product followed by removal of the chiral auxiliary fragment provided the unusual lactam system 9 in highly enantioenriched form.
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