Chemistry Letters p. 781 - 784 (1982)
Update date:2022-08-04
Topics:
Inoue, Yoshihisa
Ouchi, Mikio
Nakazato, Toshiyo
Matsuda, Takashi
Hakushi, Tadao
Stilbenocrown ethers 3a,c and 4a,b were synthesized in a cyclization reaction of benzoin with oligoethylene glycol ditosylates (2a-c) under a phase-transfer condition.Extractions of aqueous alkali picrates (Na+-Cs+) were examined with the distilbenocrown ethers 4a,b, the partially-hydrogenated tetraphenylcrown ethers 6a,b, and the fully-hydrogenated tetracyclohexylcrown ethers 7a,b.
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