2017.05.18 11:29

[Thu. 18 May. 2017] Student Host Colloquium : 1,1-Bisborylalkane: New Class of Organoboron Compound for the Chemo, Regio and Stereoselective Organic Transformations



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Speaker Prof. Seung Hwan Cho
Date Thu. 18 May. 2017
Time 5:00pm
Venue #633, Asan Hall, College of Science

“1,1-Bisborylalkane: New Class of Organoboron Compound

for the Chemo, Regio and Stereoselective Organic Transformations”


1,1-Organodimetallic reagents are valuable starting materials for the construction of multifunctionalized molecules. Among them, 1,1-diborylalkanes, which contain two boryl groups at the same carbon center, are particularly attractive due to their ease of handling, non-toxicity, stability, and propensity to undergo a variety of organic transformations. In this context, our lab is highly interested in the development of regio, chemo and stereoselective organic reactions using 1,1-diborylalkanes as new types of organodimetallic reagents.

In this seminar, the details about our recent findings using 1,1-diborylalkanes in a range of organic transformations will be presented including 1) copper-catalyzed SN2’-selective allylic substitution reactions of allylic chlorides with1,1-diborylalkanes 2)the chemo- and diastereoselective alkylation ofN-tert-butanesulfinyl aldimines. 3) an unprecedented transition-metal-free deborylative alkylation of pyridine N-oxides using 1,1-diboryl-alkanes as alkyl sources and 4) an unusual chemoselective coupling of 1,1-diborylalkanes for the transition-metal-free borylation of aryl and vinyl halides.








Kim, J.; Park, S.; Park, J.; Cho, S. H.* Angew. Chem., Int. Ed. 2016, 55, 1498.

Park, J.; Lee, Y. Kim, J. Cho, S. H.* Org. Lett. 2016, 18, 1210.

Cho, W.; Kim, J.; Choi, S. Cho, S. H.* Angew. Chem., Int. Ed. 2016, 55, 9690

Kim, J.; Cho, S. H.* Synlett, 2016, 27, 2525. (Invited contribution of Synpact article)

Lee, Y.; Baek, S.; Park, J.; Kim, S. T.; Tussupbayev, S.; Kim, J.; Baik, M. Cho, S. H J. Am. Chem. Soc.2017, 139, 976.



Prof. Seung Hwan Cho

Department of Chemistry, POSTECH, Pohang, Republic of Korea


List of Articles
No. Subject Speaker Date
Notice Fall semester 2017 Seminar Schedule file - -
49 [Wed. 5 July. 2017] Seminar is canceled! - -
48 [Wed. 28 Dec. 2016] Prof. James Y. Hamilton/Development of a Broad Range of Asymmetric C–C Bond Forming Reactions with a Versatile Iridium Catalyst file Prof. James Y. Hamilton Wednesday 28 December 2016
47 [Thu. 9 Mar. 2017] Prof. Woon Ju Song/Department of Chemistry, Seoul National University, Seoul, Korea Prof. Woon Ju Song Thu. 9 Mar. 2017
46 [Thu. 9 Jun. 2016] Prof. Yong-Young Noh/Development of Printed Large Area Organic Transistors and Integrated Circuits Prof. Yong-Young Noh Thursday 9 June 2016
45 [Thu. 8 Sep. 2016] Prof. Jaeyoung Sung/Stochastic chemical dynamics in living cells and its consequence for the control capacity of living cells over biological functions Prof. Jaeyoung Sung Thursday 8 September 2016
44 [Thu. 8 Jun. 2017] Prof. Won-jin Chung/Department of Chemistry, GIST, Gwangju, Republic of Korea Prof. Won-jin Chung Thu. 8 Jun. 2017
43 [Thu. 6 Oct. 2016] Prof. Young S. Park/Atomistic Molecular Engineering of Polycyclic Aromatic Hydrocarbons Prof. Young S. Park Thursday 6 October 2016
42 [Thu. 6 Apr. 2017] Prof. Rong-Jie Chein/Institute of Chemistry, Academia Sinica, Nankang, Taipei, Taiwan Prof. Rong-Jie Chein Thu. 6 Apr. 2017
41 [Thu. 30 Nov. 2017] Prof. Sunmin Ryu/Department of Chemistry, POSTECH, Pohang, South Korea Prof. Sunmin Ryu Thu. 30 Nov. 2017
40 [Thu. 30 Mar. 2017] Prof. Jeong Ho Cho/SKKU Advanced Institute of Nanotechnology (SAINT), School of Chemical Engineering, Sungkyunkwan University, Suwon, Korea Prof. Jeong Ho Cho Thu. 30 Mar. 2017
39 [Thu. 3 Nov. 2016] Prof. Min-Sik Kim/Mass spectrometry and its applications to Biological Discovery Prof. Min-Sik Kim Thursday 3 November 2016
38 [Thu. 29 Sep. 2016] Prof. Tae-Young Yoon/Observation of Single Membrane Proteins under Mechanical Tension Prof. Tae-Young Yoon Thursday 29 September 2016
37 [Thu. 28 Sep. 2017] Prof. Eunsung Lee/Department of Chemistry, POSTECH and Center for Self–assembly and Complexity, Institute for Basic Science (IBS), Pohang, Republic of Korea Prof. Eunsung Lee Thu. 28 Sep. 2017
36 [Thu. 27 Apr. 2017] Seminar was canceled! - -
35 [Thu. 26 Oct. 2017] Dr. Jung-Nyoung Heo/Center for Medicinal Chemistry Research, Korea Research Institute of Chemical Technology, Daejeon, Korea Dr. Jung-Nyoung Heo Thu. 26 Oct. 2017
34 [Thu. 26 Jun. 2016] Prof. Sung June Cho/Structural Elucidation of Novel Zeolite by Dual Space Approaches Using X-ray Powder Diffraction Prof. Sung June Cho Thursday 26 May 2016
33 [Thu. 25 May. 2017] Prof. Wonsuk Kim/Department of Chemistry and Nano Science, Ewha Womans University, Seoul Prof. Wonsuk Kim Thu. 25 May. 2017
32 [Thu. 23 Nov. 2017] Prof. Sung-Gon Kim/Department of Chemistry, Kyonggi University, Suwon, Korea Prof. Sung-Gon Kim Thu. 23 Nov. 2017
31 [Thu. 23 Mar. 2017] Prof. Sangsu Bae/Department of Chemistry, Hanyang University, Seoul, South Korea Prof. Sangsu Bae Thu. 23 Mar. 2017
30 [Thu. 22 Sep. 2016] Prof. Anna Lee/Organocatalyzed Asymmetric Reactions Prof. Anna Lee Thursday 22 September 2016
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