HCID 21877338, Verbindung → HCID 21877382, Verbindung
Reaktionsgleichung
Br[C:2]1[C:16]([CH3:17])=[CH:15][C:5]([O:6][CH2:7][O:8][CH2:9][CH2:10][Si:11]([CH3:14])([CH3:13])[CH3:12])=[C:4]([Cl:18])[CH:3]=1.COC1C(OCOCC[Si](C)(C)C)=CC(C)=C([B:27]([OH:29])[OH:28])C=1>>[Cl:18][C:4]1[C:5]([O:6][CH2:7][O:8][CH2:9][CH2:10][Si:11]([CH3:14])([CH3:13])[CH3:12])=[CH:15][C:16]([CH3:17])=[C:2]([B:27]([OH:29])[OH:28])[CH:3]=1Komponenten
3
Versuchsvorschrift
5-Chloro-2-methyl-4-[2-(trimethyl-silanyl)-ethoxymethoxy]-phenyl-boronic acid was prepared in 54% yield from [2-(4-bromo-2-chloro-5-methyl-phenoxymethoxy)-ethyl]-trimethyl-silane according to the procedure for 5-methoxy-2-methyl-4-[2-(trimethyl-silanyl)-ethoxymethoxy]-phenyl-boronic acid. 1H NMR (300 MHz, CDCl3) δ 8.11 (s, 1H), 7.09 (s, 1H), 5.37 (s, 2H), 3.84 (t, 2H), J=8.4 Hz), 2.76 (s, 3H), 0.98 (t, 2H, J=8.4 Hz), 0.01 (s, 9H). Anal. (C13H22BClO4Si—H2O) C, H. Calculated: C, 52.28; H, 6.75. Found: C, 51.98; H, 6.84.
Quellen und Nachweise
- ORD-Eintrag
- ord-da223c6430ac4bc8b0b5f5f060972151