The present invention provides compounds of formula (I) which inhibit proteases, including cathepsin K, pharmaceutical compositions of such compounds, and methods for treating diseases of excessive bone loss or cartilage or matrix degradation, including osteoporosis; gingival disease including gingivitis and periodontitis; arthritis, more specifically, osteoarthritis and rheumatoid arthritis; Paget's disease; hypercalcemia or malignancy; and metabolic bone disease therewith.
EFFECTIVE PRODUCTION PROCESS FOR MUGINEIC ACID COMPOUND
申请人:Suntory Holdings Limited
公开号:EP2103599A1
公开(公告)日:2009-09-23
A method for producing mugineic acids, which is represented by the following scheme:
(wherein R1 and R2 represent a hydrogen atom or a hydroxyl group, R3 represents a hydroxyl group or an amino group, R4 and R7 represent a hydrogen atom or a protecting group of a carboxyl group, R5 represents a protecting group of an amino group, R6 represents a protecting group of a carboxyl group, and R8 represents -OR9 (wherein R9 represents a protecting group of a hydroxyl group) or -NHR10 (wherein R10 represents a protecting group of an amino group)).
Synthesis of macrocyclic analogues of the neuroprotective agent glycyl-l-prolyl-l-glutamic acid (GPE)
作者:Paul W. R. Harris、Margaret A. Brimble
DOI:10.1039/b605293b
日期:——
The syntheses of seven macrocyclic analogues of the neuroprotective tripeptide glycyl-L-prolyl-L-glutamic acid (GPE) 1 are described. Macrocycles 6 and 7 mimic the cis conformer of GPE whereas macrocycles 2–5, 8, and 9 mimic the trans conformer of GPE. The macrocyclic peptides of well-defined geometry were prepared via Grubbs ring closing metathesis of an appropriate diene precursor. In turn each of the diene precursors were prepared from the readily available allyl-substituted amino acid building blocks 12, 13, 14, 27, 36 and 51.
HETEROCYCLE-CONTAINING AMINO ACID COMPOUND AND SALT THEREOF, COMPLEX, COMPOSITION, FERTILIZER AND PLANT GROWTH REGULATOR
申请人:TOKUSHIMA UNIVERSITY
公开号:US20210253522A1
公开(公告)日:2021-08-19
The present invention is a heterocycle-containing amino acid compound represented by a general formula (1):
wherein R
1
and R
2
are identical with or different from each other, and each represent a hydrogen atom or a carboxy-protecting group;
R
3
represents a carboxyl group or a hydroxyl group; and
n is 1 or 2,
or a salt thereof.
Synthesis of Cyclic Proline-Containing Peptides via Ring-Closing Metathesis
作者:Paul W. R. Harris、Margaret A. Brimble、Peter D. Gluckman
DOI:10.1021/ol034370e
日期:2003.5.1
[reaction: see text] Several dienes embedded in di- and tripeptides which incorporate proline have been prepared and subjected to ring-closingmetathesis. Bicyclic peptides of well-defined amide geometry and of varying ring sizes were prepared. Several limitations of the cyclization step were revealed.