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- Title
Berichtigung: Acyl‐Directed ortho‐Borylation of Anilines and C7 Borylation of Indoles using just BBr<sub>3</sub>.
- Authors
Iqbal, Saqib A.; Cid, Jessica; Procter, Richard J.; Uzelac, Marina; Yuan, Kang; Ingleson, Michael J.
- Abstract
Keywords: Borane; Borenium; Borylierung; Dirigierende Gruppen; Elektrophile aromatische Substitution EN Borane Borenium Borylierung Dirigierende Gruppen Elektrophile aromatische Substitution 6930 6930 1 03/23/21 20210322 NES 210322 On repeating pivaloyl directed indole borylation in dichloromethane (DCM) with BBr SB 3 sb (1 m in heptanes or hexanes), the formation of small quantity of precipitate was observed in a number of cases at the B 5 x-BBr SB 2 sb b / B 6 x-BBr SB 2 sb b stage. Berichtigung: Acyl-Directed ortho-Borylation of Anilines and C7 Borylation of Indoles using just BBr3 6-fluoro (starting compound B 2 d b ) + BBr SB 3 sb -> C7-BBr SB 2 sb :C2-BBr SB 2 sb ratio = 90:10 6-chloro (starting compound B 2 k b ) + BBr SB 3 sb -> C7-BBr SB 2 sb :C2-BBr SB 2 sb ratio = 91:9 6-bromo (starting compound B 2 l b ) + BBr SB 3 sb -> C7-BBr SB 2 sb :C2-BBr SB 2 sb ratio = 86:14 Thus the brief discussion on the isomerisation of B 5 k-BBr SB 2 sb b / B 6 k-BBr SB 2 sb b during pinacol installation is not warranted.
- Subjects
BORYLATION; INDOLE compounds; ANILINE; NUCLEAR magnetic resonance spectroscopy; HEPTANE
- Publication
Angewandte Chemie, 2021, Vol 133, Issue 13, p6930
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202101638