micchem

KRAS G12C-mutant non-small-cell lung cancer: biology, developmental therapeutics, and molecular testing

KRAS mutation is the most typical oncogenic driver in superior non-small cell lung most cancers (NSCLC), occurring in roughly 30% of lung adenocarcinomas. Over 80% of oncogenic KRAS mutations happen at codon 12 the place the glycine residue is substituted by completely different amino acids, resulting in genomic heterogeneity of KRAS-mutant tumors. The KRAS glycine-to-cysteine…

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micchem

Sequential Post-polymerization Modification of Aldehyde Polymers to Ketone and Oxime Polymers

A brand new sequential post-polymerization modification route has been developed for the synthesis of multifunctional polymers from a easy aldehyde polymer. Within the first modification step, a template polymer derived from the novel polymerization of 4-vinyl benzaldehyde undergoes Rh-catalyzed hydroacylation with alkenes to furnish a gaggle of ketone polymers. Within the second modification step, Schiff…

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Single-run reversed-phase HPLC method for determining sertraline content, enantiomeric purity, and related substances in drug substance and finished product

Single-run reversed-phase HPLC method for determining sertraline content, enantiomeric purity, and related substances in drug substance and finished product

A direct enantio-, diastereo-, and chemo-selective high-performance liquid chromatographic methodology was developed for figuring out the content material, enantiomeric purity, and associated substances of the chiral antidepressant drug sertraline HCl in a single chromatographic run. The separation was achieved on a chiral stationary part based mostly on amylose tris(3-chloro-5-methylphenylcarbamate) beneath reversed-phase circumstances. The strategy was…

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