The invention relates to renin inhibiting compounds of the formula
wherein A is an N-protecting group; R1, R3, R5 and R7 are loweralkyl or lipophilic or aromatic amino acid side chains and may be the same or different; R2, R4 and R6 are hydrogen or loweralkyl and may be the same or different; X is hydrogen, loweralkyl or -Ch20Ra, wherein R8 is hydrogen, loweralkyl or alkaryl; and R9 is loweralkyl, hydroxy, hydroxyalkyl, alkoxy, allyl, alkaryloxy or thioalkyl and pharmaceutically acceptable salts thereof.
Novel amino acid derivatives useful as a therapeutic agent are disclosed. These amino acid derivatives and the pharmaceutically acceptable salts thereof have a human renin inhibitory effect when administered orally and are useful for treatment of hypertension, especially renin-associated hypertension.
CYCLOALKANECARBOXAMIDE DERIVATIVE AND METHOD FOR PRODUCING SAME
申请人:SEIKAGAKU CORPORATION
公开号:EP1972615A1
公开(公告)日:2008-09-24
Novel cycloalkane carboxamide derivatives having an action that selectively inhibits cathepsin K, and a production process thereof, are provided.
A cycloalkane carboxamide derivative represented by the following general formula (I), or a pharmaceutically acceptable salt thereof:
(wherein R1 and R2 represent (substituted) alkyl groups, (substituted) alkenyl groups, (substituted) alkynyl groups, (substituted) aromatic hydrocarbon groups or (substituted) heterocyclic groups, ring A represents an alkylidene group having 5 to 7 carbon atoms, and ring B represents a formyl group or a hydroxymethyl group).
本发明提供了具有选择性抑制 cathepsin K 作用的新型环烷烃羧酰胺衍生物及其生产工艺。
由以下通式(I)代表的环烷烃羧酰胺衍生物或其药学上可接受的盐:
(其中R1和R2代表(取代的)烷基、(取代的)烯基、(取代的)炔基、(取代的)芳香烃基团或(取代的)杂环基团,环A代表具有5至7个碳原子的亚烷基,环B代表甲酰基或羟甲基)。
Domino Hydrogenation–Reductive Amination of Phenols, a Simple Process To Access Substituted Cyclohexylamines
作者:Varsha R. Jumde、Elena Petricci、Chiara Petrucci、Niccolò Santillo、Maurizio Taddei、Luigi Vaccaro
DOI:10.1021/acs.orglett.5b01842
日期:2015.8.21
Phenols can be efficiently reduced by sodium formate and Pd/C as the catalyst in water and in the presence of amines to give the corresponding cydohexylamines. This reaction works at rt for 12 h or at 60 degrees C under mictowave dielectric heating for 20 min. With the exception of aniline, primary, secondary amines, amino alcohols, and even amino acids can be used as nucleophiles. The reductive process is based on a sustainable hydrogen source and a catalyst that can be efficiently recovered and reused. The protocol was developed into a continuous-flow production of cyclohexyl-amines in gram scale achieving very efficient preliminary results (TON 32.7 and TOF 5.45 h(-1)).
Skita; Keil, Chemische Berichte, 1928, vol. 61, p. 1691