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DBU‐Mediated Isomerization/6‐π Electro‐Cyclization/Oxidation Cascade of Sulfonyl‐Substituted Allenyl Ketones for the Construction of Hetero‐1,3,5‐Trisubstituted Benzene**.
- Source :
-
Chemistry - A European Journal . 3/13/2023, Vol. 29 Issue 15, p1-6. 6p. - Publication Year :
- 2023
-
Abstract
- 1,3,5‐tri‐substituted benzene rings emerged with unique properties has widespread applications in materials, boosting the rapid development of their synthesis. Despite the significance, the direct construction of hetero‐1,3,5‐trisubstituted benzene core was far less‐developed. Herein, we realized a DBU‐mediated isomerization/6‐π electro‐cyclization/oxidative aromatization cascade of sulfonyl‐substituted allenyl ketones under an air atmosphere (DBU=1,8‐diazabicyclo[5.4.0]undec‐7‐ene). This versatile protocol featured metal‐free conditions, easy operation, and broad functional group tolerance provides a new avenue for the construction of hetero‐1,3,5‐tri‐substituted benzene. [ABSTRACT FROM AUTHOR]
- Subjects :
- *KETONES
*FUNCTIONAL groups
*BENZENE
*AROMATIZATION
*RING formation (Chemistry)
Subjects
Details
- Language :
- English
- ISSN :
- 09476539
- Volume :
- 29
- Issue :
- 15
- Database :
- Academic Search Index
- Journal :
- Chemistry - A European Journal
- Publication Type :
- Academic Journal
- Accession number :
- 162416653
- Full Text :
- https://doi.org/10.1002/chem.202203309