The application is directed to compounds of Formula I:
and pharmaceutically acceptable salts and solvates thereof, wherein R
1
, R
2
, R
3
, R
4a
, and R
4b
are defined as set forth in the specification. The invention is also directed to use of compounds of Formula I to treat disorders responsive to the modulation of one or more opioid receptors, or as synthetic intermediates. Certain compounds of the present invention are especially useful for treating pain.
Compounds of general formula (I):
1
wherein R
1
, R
2
, R
3
, R
4
, X, Y and A have the meanings given herein which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3′,5′-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
[EN] EUROPIUM(III) COMPLEXES AS PH SENSORS<br/>[FR] COMPLEXES D'EUROPIUM (III) UTILISÉS COMME CAPTEURS DE PH
申请人:CISBIO BIOASSAYS
公开号:WO2022090284A1
公开(公告)日:2022-05-05
The invention relates to a compound of formula (I) wherein R1; R2, R3and R4are as defined in the description. The invention also relates to europium (III) complexes obtained from a compound of formula (I), or from a complexing agent including said compound, and to the use of such complexes to label organic or biological molecules.
Guaiacol esters of alpha- and beta-mercaptopropionylalanine and alpha- and beta-mercaptopropionylglycine, process for their preparation and pharmaceutical compositions containing same
Gualacol esters of alpha- and beta-mercaptopropionyl alanine and of alpha- and beta-mercaptopropionyl glycine having formulae:
wherein R is hydrogen or methyl and Y is hydrogen or an acyl radical (acetyl, benzoyl or methoxycarbonyl).
Pharmaceutical compositions containing these guaiacol esters have mucolytic activity.
The process for manufacturing these guaiacol esters comprises preparing in a known per se manner a sulhydryl group-containing intermediate wherein the sulfhydryl is protected by a trityl or p-methoxybenzyl group, and removing the protective group under acid conditions.
α-和β-巯基丙酰基丙氨酸以及α-和β-巯基丙酰基甘氨酸的愈创木酚酯,其化学式为
其中 R 是氢或甲基,Y 是氢或酰基(乙酰基、苯甲酰基或甲氧基羰基)。
含有这些愈创木酚酯的药物组合物具有粘液溶解活性。
制造这些愈创木酚酯的工艺包括以已知的本身方式制备含巯基的中间体,其中的巯基被三苯甲基或对甲氧基苄基保护,然后在酸性条件下去除保护基。
BONE METABOLISM IMPROVING AGENTS
申请人:The Nisshin OilliO, Ltd.
公开号:EP1380293A1
公开(公告)日:2004-01-14
Compounds of general formula (I):
wherein R1, R2, R3, R4, X, Y and A have the meanings given herein which are useful in the curative and prophylactic treatment of a medical condition for which inhibition of a cyclic guanosine 3',5'-monophosphate phosphodiesterase (e.g. cGMP PDE5) is desired.
通式(I)化合物:
其中 R1、R2、R3、R4、X、Y 和 A 具有本文给出的含义,这些化合物可用于治疗和预防需要抑制环鸟苷-3',5'-单磷酸磷酸二酯酶(如 cGMP PDE5)的病症。