摘要:
Provided are substituted benzaldehydes and derivatives thereof of formula (I) that act as allosteric modulators of hemoglobin, methods and intermediates for their preparation, pharmaceutical compositions comprising the modulators, and methods for their use in treating disorders mediate by hemoglobin and disorders that would benefit from increased tissue oxygenation.
摘要:
The invention relates to 1-amino-phthalazine derivatives of general formula (I), wherein A, B = possibly substituted C1-4-alkylene; L = a simple bond or C1-2-alkylene, possibly substituted -CH=CH-, or -C=C- or cycloprop-1,2--diyl; R1 = possibly substituted aryl or heteroaryl; R2, R3 = H, C1-3-alkyl, C1-3-fluoralkyl or R2 et R3 forming together with a bearing them carbon atom, a cycloprop-1,1-diyl; R4 = H, C1-5-alkyl, C1-3-fluoralkyl, C3-6-cycloalkyl, C3-6-cycloalkyl-C1-3-alkylene, C1-3-alkyl-O-C1-3-alkylene, HO-C1-3-alkylene, C1-3-alkyl-X-C1-3-alkylene, wherein X = S, SO or S02; or R4 = RaRbN-C1-3-alkylene, aryl, aryl-C1-3-alkylene, aryl-O-, aryl-O-C1-3-alkylene, aryl-C1-3-alkylene-O-C1-3-alkylene, heteroaryl or heteroaryl-C1-3-alkylene; R5 = H, halogen, C1-5-alkyl, C1-3-fluoralkyl, C1-5-alkoxy, C1-3-fluoroalkoxy, HO-C1-3-alkylene, -CN, C1-3-alkyl-X-, wherein X = S, SO or SO2; or R5 = RaRbN-, RaRbN-C1-3-alkylene, aryl, aryl-C1-3-alkylene, aryl-O- or heteroaryl; R6 = H, halogen, C1-5-alkyl, C1-3-fluoralkyl, C1-5-alkoxy, C1-3-fluoroalkoxy, -CN, RaRbN-, RaRbN-C1-3-alkylene, aryl or heteroaryl ; R7 = H, halogen, C1-5-alkyl, C1-3-fluoralkyl, C1-5-alkoxy, C1-3-fluoroalkoxy, HO-C1-3--alkylene, -CN, C1-3-alkyl-X-, wherein X = S, SO or SO2; or R7, = RaRbN-, RaRbN-C1-3--alkylene, ReRbNC(O)-, C1-3-alkyl-C(O)-, aryl, aryl-0- or heteroaryl ; R8 = H, halogen, C1-5-alkyl, C1-5-alkoxy, C1-3-fluoroalkoxy ; in the form of base or acid additional salt and in the form of a hydrate or solvent. A method for preparing and using the inventive derivatives for therapeutically purpose is also disclosed.
摘要:
The object of the invention is a method for preparing 3-carboxy-4-hydroxybenzaldehydes and derivatives thereof from phenol compounds bearing formyl and/or hydroxymethyl groups in positions 2 and 4. Another object of the invention is the production of 4-hydroxybenzaldehydes from 3-carboxy-4-hydroxybenzaldehydes, and particularly the production of 3-methoxy-4-hydroxybenzaldehyde and 3-ethoxy-4-hydroxybenzaldehyde, known as 'vanillin' and 'ethyl vanillin' respectively. The method for preparing 3-carboxy-4-hydroxybenzaldehyde is characterised in that the group in position 2 of the phenol compound bearing formyl and/or hydroxymethyl groups in positions 2 and 4 is selectively oxidised to a carboxylic group, and optionally a hydroxymethyl group in position 4 to a formyl group. By thereafter decarboxylating the 3-carboxy-4-hydroxybenzaldehyde, a 4-hydroxybenzaldehyde is obtained.
摘要:
Compounds of formula wherein Y 1 is selected from hydroxyl, alkylamino, alkanoylamino, Y 2 , Y 3 and Y 4 are independently selected from hydrogen, halogen, alkyl, alkoxy, trifluoromethyl, hydroxyl and benzyloxy; and Q 1 is either where Q 2 and Q 3 are independently selected from hydrogen and alkyl; X is selected from cyano, carboxyl, 5-tetrazolyl and alkylsulphonylcarbamoyl; and n is 0 or an integer selected from 1. 2. 3, 4, 5 and 6: salts of said compounds and, when X is carboxyl, esters and amides thereof, provided that when Y 1 is hydroxyl Y 2 , Y 3 and Y 4 are all hydrogen and Q 1 is either then X is alkylsulphonylcarbamoyl. These compounds are of value in medicine in the palliation of haemoglobinopathies, in particular sickle-cell anaemia and also in the palliation of pulmonary dysfunction, protection from the effects of hypoxia and the radio-sensitization of tumours. The invention is also directed to methods for the preparation of the ether compounds, to pharmaceutical formulations containing them and to the preparation of such formulations.
摘要:
This invention is directed to novel ether compounds of formula which are of value in medicine in the palliation of haemo- giobinopathies, in particular sickle-cell anaemia, and also in the palliation of pulmonary dysfunction, protection from the effects of hypoxia and the radio-sensitization of tumours. The invention is also directed to methods for the preparation of the ether compounds, to pharmaceutical formulations containing them, the preparation of such formulations and the use of the compounds in human medicine. Also provided by the invention are intermediates of value in the preparation of the ether compounds, by the methods described, and the preparation of the intermediates.
摘要:
Substituted 2-naphthoic acids of structural formula I are effective as antagonists of the biological activity of GPR105 protein. They are useful for the treatment, control or prevention of disorders responsive to antagonism of this receptor, such as diabetes, particularly, Type 2 diabetes, insulin resistance, hyperglycemia, lipid disorders, obesity, atherosclerosis, and conditions associated with the Metabolic Syndrome.