Linomide

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Linomide
File:Roquinimex.svg
Clinical data
ATC code
Pharmacokinetic data
Elimination half-life26-42 hours
Identifiers
  • 4-hydroxy-N,1-dimethyl-2-oxo-N-
    phenyl-1,2-dihydroquinoline-3-carboxamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
E number{{#property:P628}}
CompTox Dashboard (EPA)
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Chemical and physical data
FormulaC18H16N2O3
Molar mass308.337 g·mol−1
3D model (JSmol)
  • CN1C2=CC=CC=C2C(=C(C1=O)C(=O)N(C)C3=CC=CC=C3)O
  • InChI=1S/C18H16N2O3/c1-19(12-8-4-3-5-9-12)17(22)15-16(21)13-10-6-7-11-14(13)20(2)18(15)23/h3-11,21H,1-2H3 N
  • Key:SGOOQMRIPALTEL-UHFFFAOYSA-N N
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Linomide (Roquinimex) is a quinoline derivative immunostimulant which increases NK cell activity and macrophage cytotoxicity. It also inhibits angiogenesis and reduces the secretion of TNF alpha.

Linomide has been investigated as a treatment for some cancers (including as adjuvant therapy after bone marrow transplantation in acute leukemia) and autoimmune diseases, such as multiple sclerosis[1][2] and recent-onset type I diabetes.[3] Several trials have been terminated due to serious cardiovascular toxicity.

Synthesis

[edit | edit source]
File:Roquinimex synthesis.svg
Linomide synthesis:[4]

Ethyl 2-(methylamino)benzoate is condensed with ethyl malonate. Amine-ester interchange of that compound with N-methylaniline results in formation of the amide linomide.

References

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  4. ^ EP 59698, Eriksoo, Edgar; Sandberg, Eva Britt-Marie & Stalhandsk, Lars Johan Torbjörn, "Heterocyclic carboxamides, compositions containing such compounds, processes for their preparation and methods of treatment therewith", published Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value)., assigned to AB Leo ; E. Eriksoo et al., U.S. patent 4,738,971 (1988 to AB Leo).