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 an amorphous pyrrolidine derivative as a PPAR agonist and a preparation method thereof.

Provided is a method for preparing 2-hydroxy-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative represented by formula (I). The method comprises the following steps: (1) preparing 3-aryl-2-substituted toluene derivative 2 by using 3-iodo-2-substituted toluene derivative 1 and aryl boronic acid 5 or aryl boronate as starting materials; (2) preparing a benzyl halide derivative 3 by using 3-aryl-2-substituted toluene derivative 2 as starting materials; and (3) preparing 4-(2, 3-disubstituted benzyloxy)-2-hydroxy-5-substituted benzaldehyde derivative (I) by using benzyl halide derivative 3 and 2,4-dihydroxy-5-substituted benzaldehyde 6. ##STR00001##

Provided is a method for preparing 2-hydroxy-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative represented by formula (I). The method comprises the following steps: (1) preparing 3-aryl-2-substituted toluene derivative 2 by using 3-iodo-2-substituted toluene derivative 1 and aryl boronic acid 5 or aryl boronate as starting materials; (2) preparing a benzyl halide derivative 3 by using 3-aryl-2-substituted toluene derivative 2 as starting materials; and (3) preparing 4-(2, 3-disubstituted benzyloxy)-2-hydroxy-5-substituted benzaldehyde derivative (I) by using benzyl halide derivative 3 and 2,4-dihydroxy-5-substituted benzaldehyde 6. ##STR00001##

The present invention relates to compounds of formula (I): Formula (I) wherein Q is selected from O or S; L is a saturated or unsaturated, optionally substituted C.sub.1-C.sub.12 hydrocarbylene group optionally including one or more heteroatoms N, O or S; R.sup.1 is NR.sup.3R.sup.4, OR.sup.5, (CNR.sup.6)R.sup.7, (CO)R.sup.8, CN, N.sub.3, a quaternary ammonium group or an optionally substituted heterocycle; R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are each independently hydrogen or a saturated or unsaturated, optionally substituted C.sub.1-C.sub.10 hydrocarbyl group optionally including one or more heteroatoms N, O or S; wherein optionally L and R.sup.3, or L and R.sup.4, or R.sup.3 and R.sup.4, or L and R.sup.5, or L and R.sup.6, or L and R.sup.7, or R.sup.6 and R.sup.7, or L and R.sup.8 together with the atom(s) to which they are attached may form a 3- to 12-membered, saturated or unsaturated, optionally substituted cyclic group; and R.sup.2 is a cyclic group substituted at the a-position, wherein R.sup.2 may optionally be further substituted; provided that the atom of L which is attached to the sulfur atom of the sulfonylurea group is a carbon atom and is not a ring atom of a heterocyclic or aromatic group. 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##

Metabolism-resistant fenfluramine analogs are provided. The subject fenfluramine analogs find use in the treatment of a variety of diseases. For example, methods of treating epilepsy by administering a fenfluramine analog to a subject in need thereof are provided. Also provided are methods of suppressing appetite in a subject in need thereof. Pharmaceutical compositions for use in practicing the subject methods are also provided.

Metabolism-resistant fenfluramine analogs are provided. The subject fenfluramine analogs find use in the treatment of a variety of diseases. For example, methods of treating epilepsy by administering a fenfluramine analog to a subject in need thereof are provided. Also provided are methods of suppressing appetite in a subject in need thereof. Pharmaceutical compositions for use in practicing the subject methods are also provided.

Compounds, tautomers and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula Ia, ##STR00001##
as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.

Compounds, tautomers and pharmaceutically acceptable salts of the compounds are disclosed, wherein the compounds have the structure of Formula Ia, ##STR00001##
as defined in the specification. Corresponding pharmaceutical compositions, methods of treatment, methods of synthesis, and intermediates are also disclosed.

The present invention relates to a method for preparing a tyrosine kinase inhibitor and a derivative thereof. The present method has a short synthesis route, low costs, easy operation, and is suitable for large-scale production.