4.8 Article

Cul Controlled C-C and C-N Bond Formation of Heteroaromatics through C(sp3)-H Activation

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ORGANIC LETTERS
卷 14, 期 21, 页码 5546-5549

出版社

AMER CHEMICAL SOC
DOI: 10.1021/ol302640e

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资金

  1. National Natural Science Foundation of China [21072047, 21172059, 21272059, 21202039]
  2. Program for New Century Excellent Talents in University of Ministry of Education [NCET-09-0122]
  3. Excellent Youth Foundation of Henan Scientific Committee [114100510012]
  4. Program for Changjiang Scholars and Innovative Research Team in University [IRT1061]
  5. Program for Innovative Research Team in University of Henan Province [2012IRTSTHN006]
  6. Henan Normal University

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A new method for C-C and C-N bond formation of heteroaromatics and C(sp(3))-H alkanes was developed with high regioselectivity. The reaction occurred on C8 to give 8-cylcoakylpurines by C-C bond formation only promoted by tBuOOtBu, while it occurred on the amino group to give N6-alkylated purines by C-N bond formation when 2 equiv of Cul were added. A reaction mechanism was also proposed based on our preliminary experimental data.

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