Cobalt(II)-Catalyzed [4+2] Annulation of Picolinamides with Alkynes via C-H Bond Activation.
Publication
, Journal Article
Yao, Y; Lin, Q; Yang, W; Yang, W; Gu, F; Guo, W; Yang, D
Published in: Chemistry (Weinheim an der Bergstrasse, Germany)
May 2020
A cobalt(II)-catalyzed [4+2] annulation of picolinamides with alkynes via C-H bond activation has been developed. The operationally simple annulation reaction allows for the synthesis of acyl-substituted 1H-benzoquinoline bearing multiple aromatic rings (up to 96 % yield) without co-oxidant or other oxidation factors under mild conditions. Several control experiments were carried out. This practical [4+2] annulation provides an efficient route to access highly functionalized compounds.
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Published In
Chemistry (Weinheim an der Bergstrasse, Germany)
DOI
EISSN
1521-3765
ISSN
0947-6539
Publication Date
May 2020
Volume
26
Issue
25
Start / End Page
5607 / 5610
Related Subject Headings
- General Chemistry
- 34 Chemical sciences
- 03 Chemical Sciences
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Yao, Y., Lin, Q., Yang, W., Gu, F., Guo, W., & Yang, D. (2020). Cobalt(II)-Catalyzed [4+2] Annulation of Picolinamides with Alkynes via C-H Bond Activation. Chemistry (Weinheim an Der Bergstrasse, Germany), 26(25), 5607–5610. https://doi.org/10.1002/chem.202000411
Yao, Yongqi, Qifu Lin, Wen Yang, Weitao Yang, Fenglong Gu, Wei Guo, and Dingqiao Yang. “Cobalt(II)-Catalyzed [4+2] Annulation of Picolinamides with Alkynes via C-H Bond Activation.” Chemistry (Weinheim an Der Bergstrasse, Germany) 26, no. 25 (May 2020): 5607–10. https://doi.org/10.1002/chem.202000411.
Yao Y, Lin Q, Yang W, Gu F, Guo W, Yang D. Cobalt(II)-Catalyzed [4+2] Annulation of Picolinamides with Alkynes via C-H Bond Activation. Chemistry (Weinheim an der Bergstrasse, Germany). 2020 May;26(25):5607–10.
Yao, Yongqi, et al. “Cobalt(II)-Catalyzed [4+2] Annulation of Picolinamides with Alkynes via C-H Bond Activation.” Chemistry (Weinheim an Der Bergstrasse, Germany), vol. 26, no. 25, May 2020, pp. 5607–10. Epmc, doi:10.1002/chem.202000411.
Yao Y, Lin Q, Yang W, Gu F, Guo W, Yang D. Cobalt(II)-Catalyzed [4+2] Annulation of Picolinamides with Alkynes via C-H Bond Activation. Chemistry (Weinheim an der Bergstrasse, Germany). 2020 May;26(25):5607–5610.
Published In
Chemistry (Weinheim an der Bergstrasse, Germany)
DOI
EISSN
1521-3765
ISSN
0947-6539
Publication Date
May 2020
Volume
26
Issue
25
Start / End Page
5607 / 5610
Related Subject Headings
- General Chemistry
- 34 Chemical sciences
- 03 Chemical Sciences