Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2046933Generated: October 31, 2026

Trimethylsilyl isocyanate → 3-(4-{3-[1-(2,6-Dichloro-3-fluorophenyl)ethyl]-1H-pyrrolo[2,3-b]pyridin-5-yl}-pyrazol-1-yl)-azetidine-1-carboxamide

https://huagongshe.com/reaction/2046933

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrimethylsilyl isocyanateHCID 70696—
ReactantDiisopropylethylamineHCID 81531—
Reactant5-(1-azetidin-3-yl-1H-pyrazol-4-yl)-3-[1-(2,6-dichloro-3-fluorophenyl)ethyl]-1H-pyrrolo[2,3-b]pyridineHCID 46215475—
SolventDichloromethaneHCID 6344—
Product3-(4-{3-[1-(2,6-Dichloro-3-fluorophenyl)ethyl]-1H-pyrrolo[2,3-b]pyridin-5-yl}-pyrazol-1-yl)-azetidine-1-carboxamideHCID 67364752—

Reaction Steps

A mixture of 5-(1-azetidin-3-yl-1H-pyrazol-4-yl)-3-[1-(2,6-dichloro-3-fluorophenyl)ethyl]-1H-pyrrolo[2,3-b]pyridine (6.0 mg, 0.014 mmol), trimethylsilyl isocyanate (5.0 μL, 0.037 mmol), DIPEA (0.02 mL, 0.09 mmol) and DCM (2 mL) was stirred at rt for 30 min. The solution was concentrated in vacuo, redissolved in MeOH and purified via HPLC. The fractions containing the pure product were concentrated in vacuo to afford the title compound as a white solid. 1H NMR (400 MHz, CD3OD): δ 1.89 (d, J=7.1 Hz, 3 H), 4.29-4.36 (m, 2 H), 4.42 (t, J=8.5 Hz, 2 H), 5.20-5.34 (m, 2 H), 7.14-7.23 (m, 1 H), 7.37 (d, J=1.3 Hz, 1 H), 7.39-7.52 (m, 2 H), 7.69 (s, 1 H), 7.94 (s, 1 H), 8.33 (s, 1 H). MS (ES+): m/z 473.11 (100) [MH+]. HPLC: tR=2.86 min (ZQ3, polar—5 min).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08592448B2
Source datasetuspto-grants-2013_11
ORD IDord-a802125ae74e46dbb0215722e21e3970
Source noteuspto-grants-2013_11