oxonium; sodium chloride in dichloromethane 8 h; Ambient temperaturepH= 4; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Scheeren, J. W.; Bakker, C. G.; Peperzak, R.; Nivard, R. J. F.
Tetrahedron Letters, 1987 , vol. 28, # 16 p. 1821 - 1824