1233243-52-1

Upstream product

• 955929-58-5 4-cyano-2,6-dimethylphenyl trifluoromethanesulfonate 
• 292638-85-8 acrylic acid methyl ester 

Relevant academic research and scientific papers

1,2,4-oxadiazole derivatives and their therapeutic use

New derivatives of general formula (I), or pharmaceutically acceptable salts or N-oxides thereof wherein, A is selected from the group consisting of -N-, -O- and -S-; B and C are independently selected from the group consisting of-N- and -O-, with the proviso that at least two of A, B and C are nitrogen atoms; G1 is selected from the group consisting of -CH2-, -NH- and -O-; G2 is selected from the group consisting of -NR4- and -O-; R1 represents: ? a 8 to 10 membered bicyclic N-containing heteroaryl group optionally substituted with a C1-4 carboxyalkyl group or a C1-4 aminoalkyl group, ? a pyridyl group optionally substituted with one or more substituents selected from hydroxy groups, C1-4 alkyl groups, C1-4 carboxyalkyl groups, C1-4 haloalkyl groups, C1-4 alkoxy groups, amino groups, C1-4 aminoalkyl groups and C1-4 aminoalkoxy groups, ? a pyridone group substituted with one or more C1-4 alkyl groups; C1-4 haloalkyl groups or C1-4 aminoalkyl groups, or ? a group of formula: wherein: ? Ra represents a hydrogen atom, a halogen atom, a C1-4 alkyl group, C3-4 cycloalkyl group or a -CF3 group; ? Rb represents a hydrogen atom, a halogen atom, a C14 alkyl group, a -CF3 group or a C1-4 alkoxy group; ? Rd represents a hydrogen atom, a C1-4 alkyl group or a C1-4 alkoxy group; ? Rc represents: ○ a hydrogen atom, a C1-4 hydroxyalkyl group, a C1-4 aminoalkyl group which is optionally substituted with one or more substituents selected from halogen atoms, hydroxy groups and -CF3 groups; ○ a 4 to 6-membered saturated N-containing heterocyclic ring optionally substituted with a C1-2 carboxyalkyl group; ○ -(CH2)(0-4)-C(O)OR', -(CH2)(0-4)-C(O)NR'R", -(CH2)(0-4)-NHC(O)R", -S(O)2NR'R", -O-(CH2)(2-4)NR'R", -O-(CH2)(1-4)C(O)OR", -O-(CH2)(1-4)-C(O)NR'R", -(CH2)(0-4)-NR'R", -(CH2)(0-4)-CONHS(O)2R', -(CH2)(0-4)-NHS(O)2R' or -(CH2)(0-3)-N H-(CH2)(1-3)-(NH)(0-1)S(O)2R' wherein, ■ R' represents a hydrogen atom or a C1-4 alkyl group, ■ R" represents a hydrogen atom, a C1-4 alkyl group, a C3-4 cycloalkyl group, a C1-4 carboxyalkyl group, a C1-4 haloalkyl group, a C1-4 hydroxyalkyl group or a 6 membered, saturated N-containing heterocyclic ring, or ■ R' and R" together with the nitrogen atom to which they are attached from a 4 to 6 membered heterocyclic group which contains, as heteroatoms, one N atom and, optionally, one further atom selected from N and O, and which is optionally substituted with a carboxy or a C1-4 carboxyalkyl group, or Rc together with Rd form a C5-6 cycloalkyl group optionally substituted by a -NHRf group, wherein Rf is selected from the group consisting of a hydrogen atom and a carboxymethyl group; R2 and R3 are independently selected from the group consisting of hydrogen atoms, halogen atoms and C1-4 alkyl groups; and R4 is selected from the group consisting of a hydrogen atom, a phenyl group, a C3-4 cycloalkyl-C1-4 alkyl group, C1-4 aminoalkyl group, C1-4 haloalkyl group and a linear or branched C1-4 alkyl group which is optionally substituted by a phenyl or a pyridyl group.

Oxadiazole derivatives as S1P1 receptor agonists

New compounds having the chemical structure of formula (I) or pharmaceutically acceptable salts or N-oxides thereof wherein A is selected from the group consisting of -N-, -O- and -S-; B and C independently are selected from the group consisting of -N- and -O-, with the proviso that at least two of A, B and C are nitrogen atoms; G1 is selected from the group consisting of nitrogen atoms and -CRC- groups, wherein RC represents a hydrogen atom, a halogen atom, a C1-4 alkyl group or a C1-4 alkoxy group; R1 is selected from the group consisting of hydrogen atoms, C1-4 alkyl groups, C1-4 alkoxy groups, C3-4 cycloalkyl groups, and -NRdRe groups wherein Rd and Re are independently selected from hydrogen atoms and C1-4 alkyl groups; R2 and R3 are independently selected from the group consisting of hydrogen atoms and C1-4 alkyl groups; R4, R5 and R7 are independently selected from the group consisting of hydrogen atoms, halogen atoms, C1-4 alkyl groups, C1-4 alkoxy groups and C1-4 haloalkyl groups; R6 represents a C1-4 alkyl group or a C1-4 hydroxyalkyl group; or R6 is selected from the group consisting of -S(O)2-NRaRb groups, -(CRfRg)n-(CRhRi)x-(CRjRk)y-NRaRb groups, -(CH2)n-NRaRb groups, -O-(CH2)n-NRaRb groups, -(CH2)n-COOH groups, -(CH2)n-NRa-CO-Rb' groups, -(CH2)n-NRa-(CH2)p-(NH)q-SO-CH3 groups and -(CH2)n-CO-NRaRb groups, wherein n, p, x and y are each independently integers from 0 to 3, q is 0 or 1, Rf, Rg, Rh, Ri, Rj and Rk independently represent hydrogen atoms or halogen atoms, Rb' is selected from the group consisting of methylsulphonyl groups, C1-4 alkyl groups, C1-4 hydroxyalkyl groups, C1-4 carboxyalkyl groups, and C1-4 haloalkyl groups; Ra and Rb are independently selected from the group consisting of hydrogen atoms, methylsulphonyl groups, C1-4 alkyl groups, C1-4 hydroxyalkyl groups, C1-4 carboxyalkyl groups, and C1-4 haloalkyl groups, or Ra and Rb together with the nitrogen atom to which they are attached form a 4 to 6 membered, saturated heterocyclic group, which contains, as heteroatoms, one or two nitrogen atoms and which is substituted by a carboxyl group or a C1-4 carboxyalkyl group; or Rc together with R6 form a C5-8 carbocyclic ring optionally substituted by - NHR' wherein R' represents a hydrogen atom or a 61-4 carboxyalkyl group.