Synthesis, isolation, characterization,
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Junzuo Wang; Chunhai Chen; Xiumei Xun; Shiying Wang; Zhongwen Wu
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Article
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1999
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John Wiley and Sons
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English
โ 227 KB
๐ 2 views
A series of macrocyclic arylene ether ketone oligomers from 4,4ะ-difluorobenzophenone, 2,4ะ-difluorobenzophenone and 1,3-bis(4ะ-fluorobenzoyl)benzene were prepared via aromatic nucleophilic substitution according to the pseudo-high dilution principle. Small-size aromatic macrocycles were isolated by