SYNTHESIS OF NOVEL TRYPTOPHAN DERIVATIVES OF POTENTIAL BIOLOGICAL ACTIVITY
Tryptophan methyl ester 2 reacts with ethyl cyanoacetate to form acetomtrilocarbonyltryptophan methylester 3. The latter reacts with cyanomethylene reagents, hydrazines, cyanomethylenes and sulfur to form the corresponding a-pyrido-3-indolopropanoate derivatives 6a,b, pyrazolyltryptophan methyl este...
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| Autores principales: | , , , |
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| Lenguaje: | English |
| Publicado: |
Sociedad Chilena de Química
2009
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000200018 |
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| Sumario: | Tryptophan methyl ester 2 reacts with ethyl cyanoacetate to form acetomtrilocarbonyltryptophan methylester 3. The latter reacts with cyanomethylene reagents, hydrazines, cyanomethylenes and sulfur to form the corresponding a-pyrido-3-indolopropanoate derivatives 6a,b, pyrazolyltryptophan methyl ester derivatives 8a,b and thiophenotryptophan methyl ester derivatives 10a,b, respectively. Also compound 3 reacts with benzaldehyde to give the condensated product 12. The reactivity of the latter product towards chemical reagents was studied to form pyridine, pyrazole and isoxazole derivatives. |
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