PREPARATION OF DIFFERENTIATED DIAMIDES OF 4,5,6,7-TETRAHYDROPYRAZOLO[1,5-<i>a</i>]PYRIDINE-2,6- AND -3,6-DICARBOXYLIC ACIDS, SUITABLE FOR PARALLEL SYNTHESIS

Authors

  • E. Erdmane Latvian Institute of Organic Synthesis
  • R. Zemribo Latvian Institute of Organic Synthesis

DOI:

https://doi.org/10.1007/1456

Keywords:

sydnones, 4, 5, 6, 7-tetrahydropyrazolo[1, 5-a]pyridines, 1, 3-dipolar cycloaddition

Abstract

1,3-Dipolar cycloaddition of a bicyclic sydnone to a propargylic acid amide affords 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2,6- and -3,6-dicarboxylic acid monoamides which are further converted to corresponding differentiated diamides.

Also published in Chemistry of Heterocyclic Compounds, 2011, 47 (7), pp 811-816

http://link.springer.com/article/10.1007/s10593-011-0840-y

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Published

2014-01-10

Issue

No. 7 (2011)

Section

Original Papers