SYNTHESIS OF NEW CONDENSED DERIVATIVES OF PYRANO[4,3-<i>b</i>]THIENO[3,2-<i>e</i>]PYRIDINE AND PYRIDO[3',2':4,5]THIENO[3,2-<i>d</i>]PYRIMIDINE

Authors

  • В. В. Дабаева A. L. Mnjoyan Institute of Fine Organic Chemistry, Scientific-Technological Center of Organic and Pharmaceutical Chemistry of the National Academy of Sciences of the Republic of Armenia
  • М. Р. Багдасарян A. L. Mnjoyan Institute of Fine Organic Chemistry, Scientific-Technological Center of Organic and Pharmaceutical Chemistry of the National Academy of Sciences of the Republic of Armenia
  • А. С. Норавян A. L. Mnjoyan Institute of Fine Organic Chemistry, Scientific-Technological Center of Organic and Pharmaceutical Chemistry of the National Academy of Sciences of the Republic of Armenia

DOI:

https://doi.org/10.1007/1542

Keywords:

3-acylamino-N-alkyl-7, 8-dihydro-5H-pyrano[4, 3-b]thieno[3, 2-e]pyridine-2-carboxamides, 7, 10-dihydro-8H-pyrano[3", 4", 5', 6']pyrido[3', 2', 4, 5]thieno[3, 2-d][1, 3]oxazin-4-ones, 10-dihydro-4H, 8Hpyrano[ 3", 2-d]pyrimidin-4(3H)-ones, 2-e]pyridines, cyclization

Abstract

The reactions of 2-methyl (propyl) substituted 8,8-dimethyl-7,10-dihydro-4H,8H-pyrano[3",4":5',6']pyrido[3',2':4,5]thieno[3,2-d][1,3]oxazines with primary amines give 2-methyl (propyl) substituted 8,8-dimethyl-7,10-dihydro-8H-pyrano[3",4":5',6']pyrido[3',2':4,5]thieno[3,2-d][1,3]pyrimidin-4(3H)-ones or 3-acetyl-N-alkyl- and N-alkyl-3-butyrylamino-7,7-dimethyl-7,8-dihydro-5H-pyrano[4,3-b]thieno[3,2-e]-
pyridine-2-carboxamides depending on steric hindrance in the amines.

Authors: V. V. Dabaeva, M. R. Bagdasaryan, and A. S. Noravyan

English Translation in Chemistry of Heterocyclic Compounds, 2011, 47 (5), pp 639-643

http://link.springer.com/article/10.1007/s10593-011-0810-4

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Published

2014-01-28

Issue

No. 5 (2011)

Section

Original Papers