1: With titanium tetrachloride in dichloromethane T=0 - 20°C; 1.25 h; 2: With hydrogenchloride in dichloromethane Further stages. Title compound not separated from byproducts.;
参考文献
Moorthy, Jarugu Narasimha; Samanta, Subhas
Journal of Organic Chemistry, 2007 , vol. 72, # 25 p. 9786 - 9789