Abstract: The invention provides a compound of formula (I) or a salt thereof: wherein Ar has the sub-formula (x) or (z): and wherein R3 is optionally substituted C3-8cycloalkyl, optionally substituted C5-7cycloalkenyl, an optionally substituted heterocyclic group (aa), (bb) or (cc), or a bicyclic group (ee); and wherein R4 is H, C1-3alkyl, C1-2fluoroalkyl, cyclopropyl, —CH2OR4a, —CH(Me)OR4a, or —CH2CH2OR4a; and R5 is inter alia H, C1-8alkyl, C1-3fluoroalkyl, C3-8cycloalkyl, certain substituted alkyl groups, —(CH2)n13-Het, or optionally substituted phenyl or —CH2-Ph; or R4 and R5 taken together are —(CH2)p1— or —(CH2)p3—X5—(CH2)p4—; provided that at least one of R4 and R5 is not a hydrogen atom (H). The invention also provides the use of the compounds as inhibitors of phosphodiesterase type IV (PDE4) and/or for the treatment and/or prophylaxis of inflammatory and/or allergic diseases such as chronic obstructive pulmonary disease (COPD), asthma, rheumatoid arthritis, allergic rhinitis or atopic dermatitis.

Abstract: There are provided according to the invention, novel compounds of formula (I) wherein R1, R2, R3, R4, R5, R6, X, a, b and Z are as defined in the specification, processes for preparing them, formulations containing them and their use in therapy for the treatment of inflammatory diseases.

Abstract: The present invention relates to novel morpholin-acetamide compounds of formula (I) useful for the treatment of inflammatory diseases. Compounds of formula (I) wherein R1, R2, R3, R4, R5, X, a, b and Z are as defined in the specification, processes for preparing them, formulations containing them and their use in therapy for the treatment of inflammatory diseases.

Abstract: A composition in the form of a dry powder and which comprises: a) at least one membrane lipid, and b) at least one biologically active compound comprising a xanthine and/or a carboxylic acid, and which forms structured lipid assemblies when dispersed/dissolved in an aqueous medium. A method of preparing such a composition is also provided, together with a dispersion of structured lipid assemblies suspended in a solution of at least one biologically active compound and a method of preparing the same. The compositions and dispersions are suitable for use in creams and lotions for skin care.

Abstract: Compounds of formula (I) wherein: R1 represents C1-16 alkyl, C2-6alkenyl, C2-6alkynyl, C2-6alkynyl-Y1—, aryl-Y1—, heteroaryl-Y1—, aryl-(O)t-aryl-Y1—, aryl-(O)t-heteroaryl-Y1—, heteroaryl-(O)t-aryl-Y1—, heteroaryl-(O)t-heteroaryl-Y1—, C2-6 alkenyl-Y1—, aryl-O—Y1—, heteroaryl-O—Y1—, C1-16 alkyl-SO2—Y1—,M—Y1—,J2-Y1—, —CN or C3-8 cycloalkyl-Y1— or C3-8 cycloalkenyl-Y1—, which cycloalkyl or cycloalkenyl may be optionally substituted by one or more hydroxyl or C1-16 Alkyl groups; R2 represents hydrogen or C1-16 alkyl; X represents ethylene or a group of formula CReRf wherein Re and Rf independently represent hydrogen or C1-14 alkyl or Re and Rf may together with the carbon atom to which they are attached form a C3-8 cycloalkyl group; R3 and R4 independently represent hydrogen or C1-14 alkyl; Z represents a bond, CO, SO2, CR9R6(CH2)n, (CH2)nCR9R6, CHR6(CH2)nO, CHR6(CH2)nS, CHR6(CH2)nOCO, CHR6(CH2)n

Abstract: There are provided according to the invention, novel compounds of formula (I) wherein R1, R2, R3, R4, R5, R6, X a, b, and Z are as defined in the specification, processes for preparing them, formulations containing them and their use in therapy for the treatment of inflammatory diseases.

Abstract: There are disclosed according to the invention, compounds of formula (I) wherein R1, R2 and R3 are defined in the specification. Additionally, processes of preparing the compounds of formula (I), formulations containing same, and the administration of said compounds or formulations thereof in the treatment of inflammatory diseases are also disclosed.

Abstract: A series of 2-(Purin-9-yl)-tetrahydrofuran-3,4-diol derivatives with broad anti-inflammatory properties which inhibit leukocyte recruitment and activation and which are agonists of the adenosine 2a receptor are described.