Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Efficient electrophilic metalation of aromatic C–H bonds leading to new C–C bond formation through regio- and stereoselective addition to alkynes and alkenes has been realized by a catalytic amount (0.02 to 5 mole percent) of palladium(II) or platinum(II) compounds in a mixed solvent containing trifluoroacetic acid at room temperature. Various arenes undergo unexpected selective trans hydroarylation to terminal or internal C≡C bonds inter- and intramolecularly with high efficiency (up to a turnover number of 4500 for palladium), especially for electron-rich arenes, giving thermodynamically unfavorablecis-alkenes, and the oxygen- and nitrogen-containing heterocycles. The simplicity, generality, and efficiency of this process should be very attractive to the possible industrial application for the functionalization of arenes.

Bibliography

Jia, C., Piao, D., Oyamada, J., Lu, W., Kitamura, T., & Fujiwara, Y. (2000). Efficient Activation of Aromatic C-H Bonds for Addition to C-C Multiple Bonds. Science, 287(5460), 1992–1995.

Authors 6
  1. Chengguo Jia (first)
  2. Dongguo Piao (additional)
  3. Juzo Oyamada (additional)
  4. Wenjun Lu (additional)
  5. Tsugio Kitamura (additional)
  6. Yuzo Fujiwara (additional)
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  21. Two control reactions also support the formation of IMc in the reaction: (i) The D-containing adduct of reaction 1 in Fig. 4 cannot be formed from H/D exchange of the corresponding 1/1 arene/alkyne adduct in TFA- d 1 and (ii) the 1/2 arene/alkyne adduct as ArA 2 (in Fig. 2) cannot result from the reaction in TFA- d 1 or from the reaction of 1/1 arene/alkyne adduct with another alkyne. ArA 2 would be formed by cis addition of the vinyl-Pd complex IMc to the alkyne followed by protonation.
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  28. We thank the financial support from Monbusho [Scientific Research (A) grant 09355031] and research fellowship P98430 (to C.J.) from the Japan Society for the Promotion of Science.
Dates
Type When
Created 23 years ago (July 27, 2002, 5:40 a.m.)
Deposited 8 months, 2 weeks ago (Dec. 8, 2024, 1:01 p.m.)
Indexed 3 weeks ago (Aug. 2, 2025, 12:50 a.m.)
Issued 25 years, 5 months ago (March 17, 2000)
Published 25 years, 5 months ago (March 17, 2000)
Published Print 25 years, 5 months ago (March 17, 2000)
Funders 0

None

@article{Jia_2000, title={Efficient Activation of Aromatic C-H Bonds for Addition to C-C Multiple Bonds}, volume={287}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.287.5460.1992}, DOI={10.1126/science.287.5460.1992}, number={5460}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Jia, Chengguo and Piao, Dongguo and Oyamada, Juzo and Lu, Wenjun and Kitamura, Tsugio and Fujiwara, Yuzo}, year={2000}, month=mar, pages={1992–1995} }