Preparation of differentiated diamides of 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2,6- and −3,6-dicarboxylic acids suitable for parallel synthesis
摘要:
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.
Preparation of differentiated diamides of 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2,6- and −3,6-dicarboxylic acids suitable for parallel synthesis
摘要:
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.