DERIVATIVES OF CONDENSED THIENO[2,3-<i>d</i>]PYRIMIDINES. 20. SYNTHESIS OF 2-SUBSTITUTED 5,6-DIHYDRO-8H-PYRANO[4',3':4,5]THIENO[2,3-<i>d</i>]PYRIMIDIN-4(3H)-ONES AND 5,6,7,8-TETRAHYDROBENZO[<i>b</i>]THIENO[2,3-d]PYRIMIDIN-4-ONES

Authors

  • А. П. Мкртчян A. L. Mndzhoyan Institute of Fine Organic Chemistry, National Academy of Sciences of the Republic of Armenia, Yerevan 375014
  • А. С. Норавян A. L. Mndzhoyan Institute of Fine Organic Chemistry, National Academy of Sciences of the Republic of Armenia, Yerevan 375014

DOI:

https://doi.org/10.1007/8036

Keywords:

substituted 5, 6-dihydro-8H-pyrano[4', 3', 4, 5]thieno[2, 3-d]pyrimidin-4(3H)-ones, 5, 6, 7, 8-tetrahydrobenzo[b]thieno[2, acylation, deamination

Abstract

We have developed a method  for  obtaining  2-substituted 3-amino-6,6-dimethyl-5,6-dihydro-8H-pyrano[4',3':4,5]- and 5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidin-4(3H)-ones, converted by deamination to the corresponding dihydropyranothieno-3H-pyrimidinones.

How to Cite
Mkrtchyan, A. P.; Noravyan, A. S..  Chem. Heterocycl. Compd. 2006, 42, 392. [Khim. Geterotsikl. Soedin. 2006, 441.]

For this article in the English edition, see DOI 10.1007/s10593-006-0098-y

 

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Published

2023-09-12

Issue

No. 3 (2006)

Section

Original Papers