Provide herein are compounds and pharmaceutical compositions suitable as modulators of hemoglobin, methods and intermediates for their preparation, and methods for their use in treating disorders mediated by hemoglobin and disorders that would benefit from tissue and/or cellular oxygenation.

The present invention relates to compounds of formula (I): wherein Q is selected from O or S; R.sup.1 is a saturated or unsaturated, optionally substituted C.sub.1-C.sub.15 hydrocarbyl group, wherein the atom of R.sup.1 which is attached to the sulfur atom of the sulfonylurea group is not a ring atom of a cyclic group; and R.sup.2 is a cyclic group substituted at the α-position, wherein R.sup.2 may optionally be further substituted. The present invention further relates to salts, solvates and prodrugs of such compounds, to pharmaceutical compositions comprising such compounds, and to the use of such compounds in the treatment and prevention of medical disorders and diseases, most especially by the inhibition of NLRP.sub.3. ##STR00001##

The present invention relates to compounds which are suitable to be used in mass spectrometry as well as methods of mass spectrometric determination of analyte molecules using said compounds.

A compound of Formula (I), or a pharmaceutically acceptable salt thereof, is described, wherein the substituents are as defined herein. Pharmaceutical compositions comprising the same and method of using the same are also described.

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The invention relates to novel, water-soluble fluorescent dyes with high fluorescence quantum yield based on oxygen-containing heterocycles, their reactive derivatives and dye conjugates, and their use for labelling samples and detecting analytes. The compounds of the new dye class are compatible with commercial excitation light sources and are characterised by Stokes shifts of more than 50 nm.

The invention relates to novel, water-soluble fluorescent dyes with high fluorescence quantum yield based on oxygen-containing heterocycles, their reactive derivatives and dye conjugates, and their use for labelling samples and detecting analytes. The compounds of the new dye class are compatible with commercial excitation light sources and are characterised by Stokes shifts of more than 50 nm.

The present disclosure relates to a method of synthesizing a compound represented by formula I.

A regioselective N-Heterocyclic Carbene (NHC) catalyzed one step process for high yield synthesis of α-acyloxy carbonyl compounds is disclosed. ##STR00001##

The invention relates to substituted pyridine and pyrimidine compounds of Formula (I) and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein R.sup.1, R.sup.2a, R.sup.2b, A.sup.1, A.sup.2, X, and Z are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain. ##STR00001##

The invention relates to substituted pyridine and pyrimidine compounds of Formula (I) and the pharmaceutically acceptable salts, prodrugs, and solvates thereof, wherein R.sup.1, R.sup.2a, R.sup.2b, A.sup.1, A.sup.2, X, and Z are defined as set forth in the specification. The invention is also directed to the use of compounds of Formula (I) to treat a disorder responsive to the blockade of sodium channels. Compounds of the present invention are especially useful for treating pain. ##STR00001##