140845-58-5Relevant articles and documents
BROMINATION OF 4-ARYL-3,5-DIALKOXYCARBONYL-2,6-DIMETHYL-1,4-DIHYDROPYRIDINES
Skrastin'sh, I. P.,Kastron, V. V.,Chekavichus, B. S.,Sausin'sh, A. E.,Zolotoyabko, R. M.,Dubur, G. Ya.
, p. 989 - 994 (2007/10/02)
4-Aryl-3,5-dialkoxycarbonyl-2,6-dimethyl-1,4-dihydropyridines are brominated by N-bromosuccinimide in methanol at room temperature at the methyl groups at positions 2 and 6 to form mono-, di-, tri-, and tetrabromo derivatives.When the N-unsubstituted brom