caa a22 4500 445876050 CHVBK 20180317145528.0 cr unu---uuuuu 170323e20111001xx s 000 0 eng 10.1007/s10593-011-0840-y doi (NATIONALLICENCE)springer-10.1007/s10593-011-0840-y 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 [Elektronische Daten] [E. Erdmane, R. Zemribo] 1,3-Dipolar cycloaddition of a bicyclic sydnone to a propargylic acid amide affords 4,5,6,7-tetra-hydropyrazolo[1,5-a]pyridine-2,6- and −3,6-dicarboxylic acid monoamides which are further converted to corresponding differentiated diamides. Springer Science+Business Media, Inc., 2011 Кeywords nationallicence sydnones nationallicence 4,5,6,7-tetrahydropyrazolo[1,5- a ]pyridines nationallicence 1,3-dipolar cycloaddition nationallicence Erdmane E. Latvian Institute of Organic Synthesis, 21 Aizkraukles St.,, LV-1006, Riga, Latvia aut Zemribo R. Latvian Institute of Organic Synthesis, 21 Aizkraukles St.,, LV-1006, Riga, Latvia aut Chemistry of Heterocyclic Compounds Springer US; http://www.springer-ny.com 47/7(2011-10-01), 811-816 0009-3122 47:7<811 2011 47 10593 https://doi.org/10.1007/s10593-011-0840-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10593-011-0840-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Erdmane E. Latvian Institute of Organic Synthesis, 21 Aizkraukles St.,, LV-1006, Riga, Latvia aut NATIONALLICENCE 700 1- Zemribo R. Latvian Institute of Organic Synthesis, 21 Aizkraukles St.,, LV-1006, Riga, Latvia aut NATIONALLICENCE 773 0- Chemistry of Heterocyclic Compounds Springer US; http://www.springer-ny.com 47/7(2011-10-01), 811-816 0009-3122 47:7<811 2011 47 10593 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer