Bulletin of the Chemical Society of Japan p. 627 - 628 (1982)
Update date:2022-08-28
Topics:
Nakatsuji, Yohji
Watanabe, Yoshitaka
Okahara, Mitsuo
A remarkable temperature dependence of the template effect of alkali metal cations was found in the cyclization of thio analogs of penta- or hexaethylene glycols to thia 15-crown-5 or 18-crown-6.The optimum range of the reaction temperature was found to be 80-100 deg C.
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