Organocatalytic, Organic Oxidant Promoted, Enamine C−H Oxidation/Cyclopropanation Reaction
Authorized Users Only
2021
Authors
Džambaski, Zdravko
Bondžić, Aleksandra M.

Triandafillidi, Ierasia
Kokotos, Christoforos G.
Bondžić, Bojan

Article (Published version)

Metadata
Show full item recordAbstract
Herein, we demonstrate that organic, single-electron oxidant in the presence of diarylprolinol silylether type catalyst serves as a tool for the transformation of electron-rich enamines to iminium ions. These iminium ions take part in a subsequent Michael-initiated ring-closure (MIRC) reaction with in situ present nucleophile giving rise to overall cyclopropanation reaction of saturated aldehydes. Stereodefined cyclopropanes are obtained in high yields and selectivities. This one-pot transformation represents the additional example of saturated aldehydes being used in the coupled one-pot processes. (Figure presented.).
Keywords:
Cyclopropanation / C−H oxidation / Diarylprolinols / One-pot reaction. / OrganocatalysisSource:
Advanced Synthesis and Catalysis, 2021, 363, 16, 4002-4008Publisher:
- Wiley
Funding / projects:
- Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)
- The State Scholarships Foundation (IKY) , MIS 5033021
DOI: 10.1002/adsc.202100630
ISSN: 1615-4150; 1615-4169
WoS: 000667158900001
Scopus: 2-s2.0-85108943435
Collections
Institution/Community
IHTMTY - JOUR AU - Džambaski, Zdravko AU - Bondžić, Aleksandra M. AU - Triandafillidi, Ierasia AU - Kokotos, Christoforos G. AU - Bondžić, Bojan PY - 2021 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/4823 AB - Herein, we demonstrate that organic, single-electron oxidant in the presence of diarylprolinol silylether type catalyst serves as a tool for the transformation of electron-rich enamines to iminium ions. These iminium ions take part in a subsequent Michael-initiated ring-closure (MIRC) reaction with in situ present nucleophile giving rise to overall cyclopropanation reaction of saturated aldehydes. Stereodefined cyclopropanes are obtained in high yields and selectivities. This one-pot transformation represents the additional example of saturated aldehydes being used in the coupled one-pot processes. (Figure presented.). PB - Wiley T2 - Advanced Synthesis and Catalysis T1 - Organocatalytic, Organic Oxidant Promoted, Enamine C−H Oxidation/Cyclopropanation Reaction VL - 363 IS - 16 SP - 4002 EP - 4008 DO - 10.1002/adsc.202100630 ER -
@article{ author = "Džambaski, Zdravko and Bondžić, Aleksandra M. and Triandafillidi, Ierasia and Kokotos, Christoforos G. and Bondžić, Bojan", year = "2021", abstract = "Herein, we demonstrate that organic, single-electron oxidant in the presence of diarylprolinol silylether type catalyst serves as a tool for the transformation of electron-rich enamines to iminium ions. These iminium ions take part in a subsequent Michael-initiated ring-closure (MIRC) reaction with in situ present nucleophile giving rise to overall cyclopropanation reaction of saturated aldehydes. Stereodefined cyclopropanes are obtained in high yields and selectivities. This one-pot transformation represents the additional example of saturated aldehydes being used in the coupled one-pot processes. (Figure presented.).", publisher = "Wiley", journal = "Advanced Synthesis and Catalysis", title = "Organocatalytic, Organic Oxidant Promoted, Enamine C−H Oxidation/Cyclopropanation Reaction", volume = "363", number = "16", pages = "4002-4008", doi = "10.1002/adsc.202100630" }
Džambaski, Z., Bondžić, A. M., Triandafillidi, I., Kokotos, C. G.,& Bondžić, B.. (2021). Organocatalytic, Organic Oxidant Promoted, Enamine C−H Oxidation/Cyclopropanation Reaction. in Advanced Synthesis and Catalysis Wiley., 363(16), 4002-4008. https://doi.org/10.1002/adsc.202100630
Džambaski Z, Bondžić AM, Triandafillidi I, Kokotos CG, Bondžić B. Organocatalytic, Organic Oxidant Promoted, Enamine C−H Oxidation/Cyclopropanation Reaction. in Advanced Synthesis and Catalysis. 2021;363(16):4002-4008. doi:10.1002/adsc.202100630 .
Džambaski, Zdravko, Bondžić, Aleksandra M., Triandafillidi, Ierasia, Kokotos, Christoforos G., Bondžić, Bojan, "Organocatalytic, Organic Oxidant Promoted, Enamine C−H Oxidation/Cyclopropanation Reaction" in Advanced Synthesis and Catalysis, 363, no. 16 (2021):4002-4008, https://doi.org/10.1002/adsc.202100630 . .