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DOI: 10.1055/s-0039-1689978
Facile Synthesis of Onychines
Publication History
Publication Date:
29 May 2019 (online)
![](https://www.thieme-connect.de/media/synthesis/201912/lookinside/thumbnails/r011219ss_10-1055_s-0039-1689978-1.jpg)
In the graphical abstract, Table [3], and Table [4], the position of the substituent after ring closure is incorrect.
The following schemes are correct:
![](https://www.thieme-connect.de/media/synthesis/201912/thumbnails/i_e001_ga_10-1055_s-0039-1689978.gif)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)
![](https://www.thieme-connect.de/media/synthesis/201912/thumbnails/i_e001_t3_10-1055_s-0039-1689978.gif)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)
![](https://www.thieme-connect.de/media/synthesis/201912/thumbnails/i_e001_t4_10-1055_s-0039-1689978.gif)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)
The correct compound names in the experimental section are:
7-Hydroxy-4-methyl-5H-indeno[1,2-b]pyridin-5-one (1Ba)
7-Hydroxy-3,4-dimethyl-5H-indeno[1,2-b]pyridin-5-one (1Bb)
7-Hydroxy-2,3,4-trimethyl-5H-indeno[1,2-b]pyridin-5-one (1Bc)
7-Hydroxy-2-phenyl-4-methyl-5H-indeno[1,2-b]pyridin-5-one (1Bd)
4-Methyl-7-propoxy-5H-indeno[1,2-b]pyridin-5-one (1Be)
7-Benzyloxy-4-methyl-5H-indeno[1,2-b]pyridin-5-one (1Bf)
4-Methyl-7-(3-propenyloxy)-5H-indeno[1,2-b]pyridin-5-one (1Bg)
7-Acetoxy-4-methyl-5H-indeno[1,2-b]pyridin-5-one (1Bh)
4-Methyl-7-(trifluoromethanesulfonyloxy)-5H-indeno[1,2-b]pyridin-5-one (1Bi)