Aminomethylation of 5-hydroxy- and 7-hydroxy-4-phenylcoumarins by substituted 1, 1-dianzinomethanes is studied Mannich condensation of amino acids and their esters with 7-hydroxy-4-phenylcoumarin gives a series of 8-aminoacylmethylcoumarins and 4-phenyl-9, 10-dihydro-2H, 8H-chromeno[8, 7-e][1, 3]oxazin-2-ones.
Rao; Raju; Raju, Journal of the Indian Chemical Society, 1981, vol. 58, # 10, p. 1021 - 1023
作者:Rao、Raju、Raju
DOI:——
日期:——
RAO, A. K.;RAJU, M. S.;RAJU, K. M., J. INDIAN CHEM. SOC., 1981, 58, N 10, 1021-1023
作者:RAO, A. K.、RAJU, M. S.、RAJU, K. M.
DOI:——
日期:——
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作者:M. M. Garazd、Ya. L. Garazd、S. V. Shilin、V. P. Khilya
DOI:10.1023/a:1002835422747
日期:——
Aminomethylation of 5-hydroxy- and 7-hydroxy-4-phenylcoumarins by substituted 1, 1-dianzinomethanes is studied Mannich condensation of amino acids and their esters with 7-hydroxy-4-phenylcoumarin gives a series of 8-aminoacylmethylcoumarins and 4-phenyl-9, 10-dihydro-2H, 8H-chromeno[8, 7-e][1, 3]oxazin-2-ones.