Cell-Permeable Esters of Diazeniumdiolate-Based Nitric Oxide Prodrugs
摘要:
Although O-2-(2,4-dinitrophenyl) derivatives of diazeniumdiolate-based nitric oxide (NO) prodrugs bearing a free carboxylic acid group were activated by glutathione to release NO, these compounds were poor sources of intracellular NO and showed diminished anti pro I iterative activity against human leukemia HL-60 cells. The carboxylic acid esters of these prodrugs, however, were found to be superior sources of intracellular NO and potent inhibitors of HL-60 cell proliferation.
[EN] NOVEL DIHYDROQUINOLIZINONES FOR THE TREATMENT AND PROPHYLAXIS OF HEPATITIS B VIRUS INFECTION<br/>[FR] NOUVELLES DIHYDROQUINOLIZINONES POUR LE TRAITEMENT ET LA PROPHYLAXIE D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B
申请人:HOFFMANN LA ROCHE
公开号:WO2015173164A1
公开(公告)日:2015-11-19
The invention provides novel compounds having the general formula: wherein R1, R2, R3, R4, R5, R6, X and Y are as described in the description and in the claims, as well as or pharmaceutically acceptable salts, or enantiomers, or diastereomers thereof. The invention also contains compositions including the compounds and methods of using the compounds.
A new methodology is described for the novel and rapid synthesis of unique analogues of the ergoline structure. After introduction of an allyl or alkynyl group in position C-4 on indole-3-carboxaldehyde, an intramolecular 1,3-dipolar cycloadditionusing α-amino esters, directly provides novel ergoline-type compounds in good yields.
Provided are a nitroxoline prodrug and a use thereof. Specifically, provided are a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, a preparation method therefor, a composition containing the compound, and a use thereof in the preparation of anti-infective and antitumor drugs, and definitions of groups in formula (I) are as stated in the specification. The compound represented by formula (I) has better pharmacokinetic parameters such as solubility, blood medicine concentration, or half-life period than nitroxoline. The compound represented by formula (I) can reduce the frequency of drug administration, and has potential for application in other fields other than the field of urinary tracts.
The present invention relates to novel piperidine derivatives, stereoisomers thereof or pharmaceutically acceptable salts thereof; methods for preparing the compound; and pharmaceutical compositions comprising the compound. The novel piperidine derivatives, according to the present invention, having an effect as GPR119 agonist can be used for treatment of metabolic disorders, including diabetes mellitus (especially type II) and related disorders.
Highly Practical Methodology for the Synthesis of <scp>d</scp>- and <scp>l</scp>-α-Amino Acids, <i>N</i>-Protected α-Amino Acids, and <i>N</i>-Methyl-α-amino Acids
作者:Andrew G. Myers、James L. Gleason、Taeyoung Yoon、Daniel W. Kung
DOI:10.1021/ja9624073
日期:1997.1.1
step the asymmetric alkylation of pseudoephedrine glycinamide (1) or pseudoephedrine sarcosinamide (2). Practical procedures for the synthesis of 1 and 2 from pseudoephedrine and glycine methyl ester or sarcosinemethyl ester, respectively, are presented. Optimum protocols for the enolization and subsequent alkylation of 1 and 2 are described. Alkylation reactions of 1 and 2 are found to be quite efficient