52090-51-4Relevant academic research and scientific papers
Pirfenidone structural isosteres: Design, synthesis and spectral study
Kader, Kamelia F. Abd El,Bialy, Serry A.A. El,El-Ashmawy, Mahmoud B.,Boykin, David W.
, p. 193 - 197 (2013/01/16)
Series of 5-substituted arylpyridin-2(1 H )-ones and arylpyrimidin-4(3 H )-ones were designed and synthesized based on pirfenidone, a compound which shows promising therapeutic effects for treatment of fibrosis. The compounds 1a - c , 2a - c and 3a - c were obtained under mild conditions by arylation of the appropriate heterocyclic amines with arylboronic acids under Chan-Lam- Evans conditions. The synthesis of the useful synthon N -(4-methoxyphenyl)-5-(4,4,5,5- tetramethyl-1,3,2-dioxaborolan- 2-yl)-(1 H )-pyridin-2-one ( 4 ) is also reported. All compounds were characterized by spectral and elemental analysis and structural elucidation by 1 H and 13 C NMR is discussed herein.
Stereochemical Studies. Part 103. Saturated Heterocycles. Part 107. Preparation of 3-Mono and 2,3-Di-substituted Pyrimidin-4(3H)-ones in Retro-Diels-Alder Reactions. The Correct 1,2-Disubstituted Structure of the Compounds previously described as 2,3-Disu
Stajer, Geza,Szabo, Angela E.,Bernath, Gabor,Sohar, Pal
, p. 237 - 240 (2007/10/02)
The orthofomate cyclization of carboxamides (4) obtained from 3-exo-aminobicyclohept-5-ene-2-exo-carboxylic acid (1) yielded intermediate 8,9,10-trinorbornene-fused pyrimidinones (5) and hence 3-substituted pyrimidin-4(3H)-ones (6) through the spli
