Novel substituted 5 membered heterocyclic compounds of Formula I are disclosed. The invention further discloses a process for the preparation of compounds of Formula I. The compounds find use as anti mycobacterial agents. ##STR00001##

Provided are compounds that can inhibit pathogenic, bacterial metabolite production and conjugates of the same. Also provided are pharmaceutical compositions comprising the same and methods of using the same.

Provided are compounds that can inhibit pathogenic, bacterial metabolite production and conjugates of the same. Also provided are pharmaceutical compositions comprising the same and methods of using the same.

Provided in the present invention are inhibitors for programmed cell necrosis, a preparation method therefor and a use thereof. Specifically, provided in the present invention are a compound represented by formula I and a composition comprising same. The described compound may be used to prepare a pharmaceutical composition for the prevention and/or treatment of diseases involving cell death and/or inflammation.

##STR00001##

The present invention provides bumetanide analogs and compositions comprising such analogs. The present invention also provides pharmaceutical compositions containing these bumetanide analogs and methods for their use. These analogs are believed useful for the treatment and/or prophylaxis of conditions that involve the Na.sup.+K.sup.+Cl.sup.− co-transporter or GABA.sub.A receptor.

The present invention provides bumetanide analogs and compositions comprising such analogs. The present invention also provides pharmaceutical compositions containing these bumetanide analogs and methods for their use. These analogs are believed useful for the treatment and/or prophylaxis of conditions that involve the Na.sup.+K.sup.+Cl.sup.− co-transporter or GABA.sub.A receptor.

Provided are inhibitors of pathogenic, bacterial metabolite production and conjugates of the inhibitors. Also provided are pharmaceutical compositions containing the inhibitors or conjugates and methods of using the same.

Provided are producing methods for a 3-difluoromethylpyrazole compound and a 3-difluoromethylpyrazole-4-carboxylic acid compound, which include, in a reaction solvent containing a specific solvent, subjecting a difluoroacetyl group-containing compound, a hydrazine compound, and formaldehyde to a cyclocondensation reaction, and subsequently oxidizing the obtained pyrazole compound precursor, and a pyrazolidine compound represented by a specific formula in these producing methods.

Provided are producing methods for a 3-difluoromethylpyrazole compound and a 3-difluoromethylpyrazole-4-carboxylic acid compound, which include, in a reaction solvent containing a specific solvent, subjecting a difluoroacetyl group-containing compound, a hydrazine compound, and formaldehyde to a cyclocondensation reaction, and subsequently oxidizing the obtained pyrazole compound precursor, and a pyrazolidine compound represented by a specific formula in these producing methods.

Provided are producing methods for a 3-difluoromethylpyrazole compound and a 3-difluoromethylpyrazole-4-carboxylic acid compound, which include, in a reaction solvent containing a specific solvent, subjecting a difluoroacetyl group-containing compound, a hydrazine compound, and formaldehyde to a cyclocondensation reaction, and subsequently oxidizing the obtained pyrazole compound precursor, and a pyrazolidine compound represented by a specific formula in these producing methods.