Syntheses of 9-Triptycylisothiocyanate, (10-Amino-9-triptycyl)carboxylic Acid,and Their Derivatives |
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Authors: | Mei-Li Xu |
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Institution: | Department of Chemistry , Tianjin University , Tianjin , China |
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Abstract: | In the presence of 1,8-diazabicyclo5.4.0]undec-7-ene (DBU), 9-triptycylisothiocyanate has been synthesized in 91% yield from carbon disulfide and sterically hindered 9-triptycylamine at room temperature. 9-Triptycylisothiocyanate can be further converted to 1-benzyl-3-(9-triptycyl)thiourea. (10-Amino-9-triptycyl)carboxylic acid has also been successfully synthesized via a three-step route starting from methyl 10-nitroanthracene-9-carboylate. Its amino and carboxylic groups can undergo acetylation and amidation, respectively. |
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Keywords: | Amino acid (10-amino-9-triptycyl)carboxylic acid thiourea triptycene 9-triptycylamine 9-triptycylisothiocyanate |
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