Keywords
1.2.4-triazines
amino acids
diastereoselective synthesis
indoles
Abstract
6-Phenyl-1,2,4-triazin-5(4H)-one 1 reacts with C-nucleophiles, such as indole, in the presence of N-acetylamino acids, to yield 2-acyl-3-indolyl-6-phenyl-3,4-dihydro-1,2,4-triazin-5(4H)-ones 2–6 with high diastereoselectivity.
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