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Nitroketenanimals, VIII: Synthesis of 4-aryl-2,6-diamino-3,4-dihydro-3,5-dinitropyridines
Troschutz,Luckel
, p. 1 - 3 (1993)
The synthesis of the title compounds 5 resp. 7 from aldehydes 2 resp. 6a,b and primary/tertiary nitrotetenaminals 1c,d,e is described. The reaction of 1b and 2 leads to a 1,4-dihydropyridine 5bA.
