2-(1-(Ethylsulfonyl)-3-(4-(7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)azetidin-3-yl)acetonitrile

The compound is a protected precursor of Baricitinib, with the ethylsulfonyl group, the azetidine ring, the pyrrolo[3-d]pyrimidine core, and the pyrazole ring being its key structural features. This chemical name describes a synthetic intermediate used in the manufacturing of Baricitinib, a Janus kinase (JAK) inhibitor drug.

API Name Baricitinib
CAS No 1187594-13-3
Molecular Formula C22H31N7O3SSi
Molecular Weight 501.7 g/mol
Synonyms 2-[1-ethylsulfonyl-3-[4-[7-(2-trimethylsilylethoxymethyl)pyrrolo[2,3-d]pyrimidin-4-yl]pyrazol-1-yl]azetidin-3-yl]acetonitrile

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