Tandem Reaction Approaches to Isoquinolones from 2-Vinylbenzaldehydes and Anilines via Imine Formation-6π-Electrocyclization-Aerobic Oxidation Sequence
- Authors
- Lee J.; Kim H.Y.; Oh K.
- Issue Date
- 17-Jan-2020
- Publisher
- American Chemical Society
- Citation
- Organic Letters, v.22, no.2, pp 474 - 478
- Pages
- 5
- Journal Title
- Organic Letters
- Volume
- 22
- Number
- 2
- Start Page
- 474
- End Page
- 478
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/37965
- DOI
- 10.1021/acs.orglett.9b04233
- ISSN
- 1523-7060
1523-7052
- Abstract
- Two distinctive transition-metal-promoted aerobic oxidation protocols have been developed for the synthesis of isoquinolones from 2-vinylbenzaldehydes and aniline derivatives. Thus, the one-pot tandem reaction sequence of imine formation, thermal 6π-electrocyclization, followed by either Cu(OAc)2-mediated or Pd(OAc)2-catalyzed aerobic oxidation protocol allowed the ready access to isoquinolone derivatives. The control experiments revealed that the 1,2-dihydroisoquinoline intermediates from the 6π-electrocyclization of 1-azatrienes were aerobically oxidized to isoquinolones in the presence of either Cu(OAc)2 or Pd(OAc)2 catalyst. Copyright © 2019 American Chemical Society.
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Collections - Graduate School > ETC > 1. Journal Articles
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