Cyanoacetanilides Intermediates in Heterocyclic Synthesis. Part 2: Preparation of Some Hitherto Unknown Ketene Dithioacetal, Benzoazole and Pyridone Derivatives
作者:Y. A. Ammar、A. M. Sh. El-Sharief、A. G. Al-Sehemi、Y. A. Mohamed、M. A. Senussi、M. S. A. El-Gaby
DOI:10.1002/jccs.200500081
日期:2005.6
(0.01 mole) and nextcarbon disulfide were added gradually. The reaction mixturewasstirredatroomtemperaturefor3h,thencooledagainto0 C,treatedwithdimethylsulfateandstirredatroomtempera-ture for an additional 6 h. Then it was poured into ice/water;the resulting precipitate was filtered off, dried and recrystal-lized to give
Novel Pirfenidone Analogues: Synthesis of Pyridin-2-ones for the Treatment of Pulmonary Fibrosis
作者:Yousry A. Ammar、Magda M. F. Ismail、Hend M. El-Sehrawi、Eman Noaman、Ashraf H. Bayomi、Taghreed Z. Shawer
DOI:10.1002/ardp.200600017
日期:2006.8
A new series of polysubstituted 1‐aryl‐2‐oxo‐1,2‐dihydropyridine‐3‐carbonitriles and pyrazolo[3,4‐b]pyridine‐5‐carbonitriles and pyrido[2,3‐d]pyrimidine‐6‐carbonitriles have been synthesized and tested for their antifibrotic activity. Among the tested compounds, compounds IIc and IVb exhibited higher antifibrotic activity than the standard pirfenidone PD with a reduction of the hydroxyproline level