CJCU
The Synthesis of Crown Ethers (XV)——Synthesis of Hydroxy Crown Ethers and Separation of Their Cis-trans Isomers
Wang Yuting, Zhou Jianjun, Wan Huijie, Xie Zhishui, Huang Zaifu
Chem. J. Chinese Universities . 1990, (11): 1292 -1294 .