1: With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 3 h; 2: With boron triethoxide in tetrahydrofuran; hexane T=-78 - 20°C; 3: With hydrogenchloride in tetrahydrofuran; hexane Title compound not separated from byproducts;
参考文献
Journal of the American Chemical Society, , vol. 128, # 5 p. 1434 - 1435