1,8-Naphthyridine-3-carboxamide derivatives with anticancer and anti-inflammatory activity
摘要:
A number of 1-propargyl-1,8-naphthyridine-3-carboxamide derivatives (15-35) have been synthesized and screened for their in vitro cytotoxicity and anti-inflammatory activity. Compounds 22, 31 and 34 have shown high cytotoxicity against a number of cancer cell lines, while compound 24 showed significant anti-inflammatory activity. (C) 2009 Elsevier Masson SAS. All rights reserved.
Highly Efficient Synthesis of β-Amino Acid Derivatives via Asymmetric Hydrogenation of Unprotected Enamines
作者:Yi Hsiao、Nelo R. Rivera、Thorsten Rosner、Shane W. Krska、Eugenia Njolito、Fang Wang、Yongkui Sun、Joseph D. Armstrong、Edward J. J. Grabowski、Richard D. Tillyer、Felix Spindler、Christophe Malan
DOI:10.1021/ja047901i
日期:2004.8.1
A direct asymmetrichydrogenation of unprotected enamino esters and amides is described. Catalyzed by Rh complexes with Josiphos-type chiral ligands, this method gives beta-amino esters and amides in high yield and high ee (93-97% ee). No acyl protection/deprotection is required.
描述了未保护的烯氨基酯和酰胺的直接不对称氢化。该方法由具有 Josiphos 型手性配体的 Rh 络合物催化,以高产率和高 ee (93-97% ee) 得到 β-氨基酯和酰胺。不需要酰基保护/脱保护。
McKenzie; Barrow, Journal of the Chemical Society, 1921, vol. 119, p. 72