Synthesis and characterization of a nove
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Yadong Zhang; Tatuso Wada; Hiroyuki Sasabe
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Article
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1997
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John Wiley and Sons
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English
โ 167 KB
๐ 2 views
The efficient synthesis of a novel cyclic carbazole tetramer and carbazole main-chain polymer via the Knoevenagel condensation has been developed. The carbazole cyclic tetramer could be obtained in a high yield by a one-stage Knoevenagel condensation of 3,6-diformyl-9-heptylcarbazole and 3,6-bis(cya