Amide bond surrogates: A study in thiophenesulfonamide based endothelin receptor antagonists
摘要:
The potential proteolytic instability of the amide bond present in some ETA selective thiophenesulfonamide endothelin antagonists exemplified by TBC-10708 led us to investigate the replacement of this moiety with stable amide bond surrogates such as a trans double bond and an ethylene spacer. The effect of these replacements on the binding affinity is described. (C) 1997 Elsevier Science Ltd.
Biphenylsulfonamides and derivatives thereof that modulate the activity of endothelin
申请人:——
公开号:US20020095041A1
公开(公告)日:2002-07-18
Biphenylsulfonamides and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, bicyclic or tricyclic carbon or heterocyclic ring biphenylsulfonamides and methods using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.
Sulfonamides for treatment of endothelin-mediated disorders
申请人:——
公开号:US20020091270A1
公开(公告)日:2002-07-11
Thienylsulfonamides and their pharmaceutically acceptable derivatives, pharmaceutical compositions, articles of manufacture, combinations, lyophilized powders and methods for the treatment of endothelin diseases using these formulations and sulfonamides are provided. A process of preparing an alkali metal salt of a hydrophobic sulfonamide is provided. The process includes the step of dissolving a free sulfonamide in an organic solvent in the presence of a saturated alkali metal salt solution and recovering the formed sulfonamide salt from the organic phase.
Thienyl-, furyl-, pyrrolyl- and biphenylsulfonamides and derivatives thereof that modulate the activity of endothelin
申请人:TEXAS BIOTECHNOLOGY CORPORATION
公开号:EP1048657A1
公开(公告)日:2000-11-02
Biphenylsufonamides of the following formula and methods for modulating or altering the activity of the endothelin family of peptides are provided. The sulfonamides may be used for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide
or a pharmaceutically acceptable salt, acid or ester thereof, wherein Ar2 is
and wherein Ar1, R13 and R26 are as defined herein.
Thienyl-, furyl- and pyrrolyl sulfonamides and derivatives thereof that
申请人:Texas Biotechnology Corporation
公开号:US05594021A1
公开(公告)日:1997-01-14
Thienyl-, furyl- and pyrrolyl-sulfonamides and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, N-(isoxazolyl)thienylsulfonamides, N-(isoxazolyl)furylsulfonamides and N-(isoxazolyl)pyrrolylsulfonamides and methods using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.
Formulation of sulfonamides for treatment of endothelin-mediated disorders
申请人:——
公开号:US20010039289A1
公开(公告)日:2001-11-08
Formulations of pharmaceutically-acceptable salts of thienyl-, furyl- and pyrrolyl-sulfonamides and methods for modulating or altering the activity of the endothelin family of peptides using the formulations are provided. In particular, formulations of sodium salts of N-(isoxazolyl)-thienylsulfonamides, N-(isoxazolyl)furylsulfonamides and N-(isoxazolyl)-pyrrolylsulfonamides and methods using these sulfonamide salts for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide salt are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamide salts or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.