1375262-92-2

Upstream product

• 1375262-96-6 2-butyl-1-(2-hydroxy-2-methylpropyl)-5-iodo-1H-imidazole-4-carbonitrile 
• 5570-18-3 2-aminophenylboronic acid 
• 1375262-90-0 5-amino-2-butyl-1-(2-hydroxy-2-methylpropyl)-1H-imidazole-4-carbonitrile 
• 919-29-9 triethyl orthovalerate 

Relevant academic research and scientific papers

IMIDAZOQUINOLINE-TYPE COMPOUNDS AND USES THEREOF

Provided in the present disclosure are imidazoquinoline-type compounds, methods for their preparation, pharmaceutical compositions thereof and their use, wherein the imidazoquinoline-type compounds, upon local administration, form depots inducing cell mediated immune response while mitigating a systemic proinflammatory immune response.

LOCALLY ACTING TOLL-LIKE RECEPTOR 7 (TLR7) AND/OR TLR8 AGONIST IMMUNOTHERAPY COMPOUNDS AND THEIR USES

Provided in the present disclosure are immunotherapy compounds, pharmaceutical compositions thereof and their use, wherein the immunotherapy compounds, upon local administration, form depots inducing cell mediated immune response while mitigating a systemic proinflammatory immune response.

Discovery of imidazoquinolines with toll-like receptor 7/8 independent cytokine induction

Toll-like receptors (TLRs) are key targets in the design of immunomodulating agents for use as vaccine adjuvants and anticancer treatments. The imidazoquinolines, imiquimod and resiquimod, have been shown to activate TLR-7 and -8, which in turn induce cytokine production as part of the innate immune response. Herein, we report the synthesis and discovery of a C7-methoxycarbonyl derivative of imiquimod that stimulates cytokine production but is devoid of TLR-7/8 activity. Data are presented that shows that this analogue not only induces IL-12p40 and TNF production, similar to that of imiquimod and resiquimod, but greatly enhances the production of IL-1β, a key cytokine involved in the activation of CD4 T cells. It is further demonstrated that TLR-7/8 activation can be recovered by the addition of a C2-alkyl substituent to this newly discovered analogue. The results support the existence of an alternative mechanism of action by which imidazoquinolines can stimulate cytokine production.