1: tBuCH2CH2B(H)NiPr2; 4-Nitrobenzenediazonium tetrafluoroborate With biscyclopentadienyliron(II) in acetonitrile T=20°C; 2.5 h; 2: With methanol in acetonitrile T=0 - 20°C; 1 h; 3: 2,3-dimethylbutane-2,3-diol in diethyl ether; acetonitrile T=20°C; 4 h; Reagent/catalyst;
参考文献
UNIVERSITE DE BORDEAUX 1; CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE; PUCHEAULT, Mathieu Jonathan Damien; MARCIASINI, Ludovic Daniel Alain; VAULTIER, Michel
Patent: WO2014/9169 A1, 2014 ;
Location in patent: Page/Page column 56-57 ;
1: 2,3-dibromopyridine With n-butyllithium in diethyl ether T=-78°C; 1 h; 2: With tri-isopropoxy-borane in diethyl ether T=-78 - 20°C; 3: 2,3-dimethylbutane-2,3-diol With acetic acid in diethyl ether T=20°C; 2 h;
