1: With sodium tetrahydroborate; sulfuric acid in tetrahydrofuran; diethyl ether T=0 - 20°C; 20 h; Inert atmosphere; 2: With hydrogenchloride in water T=20°C; 2 h;
Beck, Anthony L.; Mascal, Mark; Moody, Christopher J.; Slawin, Alexandra M. Z.; Williams, David J.; Coates, William J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1992 , # 7 p. 797 - 812