2019 Fiscal Year Annual Research Report
Develop New Reactions based on Heterocyclic C(sp3)–H Bond Activation
| Project/Area Number |
18J20833
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| Research Institution | Hokkaido University |
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Principal Investigator |
ZHANG DELIANG 北海道大学, 大学院総合化学院, 特別研究員(DC1)
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| Project Period (FY) |
2018-04-25 – 2021-03-31
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| Keywords | dehydrogenation / heterogeneous catalyst / heterocycles |
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| Outline of Annual Research Achievements |
The first project: In this research work, the polystyrene-cross-linking bisphosphine ligand PS-DPPBz was effective for the Ir-catalyzed reversible acceptorless dehydrogenation/hydrogenation of N-heterocycles. Notably, this protocol is applicable to the dehydrogenation of N-substituted indoline derivatives with various N-substituents with different electronic and steric natures. A reaction pathway involving oxidative addition of an N-adjacent C(sp3)-H bond to a bisphosphine-coordinated Ir(I) center is proposed for the dehydrogenation of N-substituted substrates. (in manuscript) The second project: I have developed interpenetrating double networks for hydrogen storage carriers based on heterocyclic C(sp3)-H bond activation.
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| Current Status of Research Progress |
Current Status of Research Progress
1: Research has progressed more than it was originally planned.
Reason
The nature of catalyst will be investigated and the reaction mechanism should be studied carefully.
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| Strategy for Future Research Activity |
When I finish the project of acceptorless dehydrogenation, I will focus on design new material of interpenetrating networks. Then I will develop new asymmetric functionalization of heterocycles.
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