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 - -
29 [Thu. 1 Jun. 2017] Prof. Jong-Man Kim/Department of Chemical Engineering, Hanyang University, Seoul, Korea Prof. Jong-Man Kim Thu. 1 Jun. 2017
28 [Thu. 25 May. 2017] Prof. Wonsuk Kim/Department of Chemistry and Nano Science, Ewha Womans University, Seoul Prof. Wonsuk Kim Thu. 25 May. 2017
» [Thu. 18 May. 2017] Student Host Colloquium : 1,1-Bisborylalkane: New Class of Organoboron Compound for the Chemo, Regio and Stereoselective Organic Transformations Prof. Seung Hwan Cho Thu. 18 May. 2017
26 [Thu. 11 May. 2017] Prof. Andreas Heinrich/IBS Research, Center for Quantum Nanoscience, Seoul, South Korea Prof. Andreas Heinrich Thu. 11 May. 2017
25 [Thu. 27 Apr. 2017] Seminar was canceled! - -
24 [Thu. 13 Apr. 2017] Dr. Wan Ki Bae/Photoelectronic Hybrid Research Center, Korea Institute of Science and Technology, Seoul, Korea Dr. Wan Ki Bae Thu. 13 Apr. 2017
23 [Thu. 6 Apr. 2017] Prof. Rong-Jie Chein/Institute of Chemistry, Academia Sinica, Nankang, Taipei, Taiwan Prof. Rong-Jie Chein Thu. 6 Apr. 2017
22 [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
21 [Thu. 23 Mar. 2017] Prof. Sangsu Bae/Department of Chemistry, Hanyang University, Seoul, South Korea Prof. Sangsu Bae Thu. 23 Mar. 2017
20 [Fri. 17 Mar. 2017] 9th RINS Symposium file - Fri. 17 Mar. 2017
19 [Thu. 9 Mar. 2017] Prof. Woon Ju Song/Department of Chemistry, Seoul National University, Seoul, Korea Prof. Woon Ju Song Thu. 9 Mar. 2017
18 Spring semester 2017 Seminar Schedule file - -
17 [Mon. 9 Jan. 2017] Prof. Sungwook Woo/Wyss Institute for Biologically Inspired Engineering, Harvard University, USA Prof. Sungwook Woo Mon. 9 Jan. 2017
16 [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
15 [Thu. 1 Dec. 2016] Prof. Sang-Yong Ju/Highly Pure Carbon Nanotubes sorted by a Flavin for Thin Film Transistor Applications Prof. Sang-Yong Ju Thursday 1 December 2016
14 [Thu. 17 Nov. 2016] Prof. Seunghoon Shin/Synthetic Methods Development based on Rational Analysis of Intermediates file Prof. Seunghoon Shin Thursday 17 November 2016
13 [Thu. 3 Nov. 2016] Prof. Min-Sik Kim/Mass spectrometry and its applications to Biological Discovery Prof. Min-Sik Kim Thursday 3 November 2016
12 [Thu. 20 Oct. 2016] Prof. Chan Hyuk Kim/Novel Small Molecule-based Approaches for Cancer Immunotherapy Prof. Chan Hyuk Kim Thursday 20 October 2016
11 [Mon. 13 Oct. 2016] Prof. Amir H. Hoveyda/Multicomponent Catalytic Synthesis of Organoboron Compounds for Scalable Natural Product Synthesis Prof. Amir H. Hoveyda Monday 13 October 2016
10 [Thu. 6 Oct. 2016] Prof. Young S. Park/Atomistic Molecular Engineering of Polycyclic Aromatic Hydrocarbons Prof. Young S. Park Thursday 6 October 2016
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