An efficient procedure for the synthesis and isolation of (+)-(2R,3R,11R,12R)- and (−)-(2S,3S,11S,12S)-tetraphenyl-18-crown-6
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David J. Williams | A. Slawin | J. Stoddart | J. Crosby | M. E. Fakley | Hooshang Shahriari-Zavareh | K. Martin | A. Quick | C. Gemmell