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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1056005Generated: October 30, 2026

2-Aminopyridine → HCID 89783286, compound

https://huagongshe.com/reaction/1056005

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AminopyridineHCID 10439—
ReactantLithium HexamethyldisilazideHCID 2733832—
ReactantBrettphosHCID 25112535—
Reactant2-(2-chloroquinolin-8-yl)-6,7-dihydro-1H-pyrrolo[3,2-c]pyridin-4(5H)-oneHCID 89783548—
ProductHCID 89783286HCID 8978328629%

Reaction Conditions

Temperature150 °C

Reaction Steps

Prepared similarly to that described in Example 82 using 2-(2-chloroquinolin-8-yl)-6,7-dihydro-1H-pyrrolo[3,2-c]pyridin-4(5H)-one (Example 1; 154 mg, 0.517 mmol), pyridin-2-amine (58.4 mg, 0.621 mmol, Aldrich), BrettPhos precat (Strem, Newburyport, Mass.; 21.90 mg, 0.026 mmol), Brettphos (Strem, Newburyport, Mass.; 15.12 mg, 0.026 mmol), and LHMDS (1.0M in THF; 1138 μl, 1.138 mmol), heating at 150° C. for 30 min in a microwave reactor (Biotage Initiator). Purification by silica gel (100% DCM to 5% MeOH/DCM) provided 2-(2-(pyridin-2-ylamino)quinolin-8-yl)-6,7-dihydro-1H-pyrrolo[3,2-c]pyridin-4(5H)-one (29% yield). 1H NMR (400 MHz, DMSO-d6) δ ppm 2.92 (t, J=6.75 Hz, 2H) 3.45 (td, J=6.80, 2.25 Hz, 2H) 6.96 (br. s., 1H) 6.99 (d, J=2.15 Hz, 1H) 7.02 (dd, J=6.85, 5.48 Hz, 1H) 7.36 (t, J=7.73 Hz, 1H) 7.54 (d, J=8.80 Hz, 1H) 7.58 (d, J=8.22 Hz, 1H) 7.63 (d, J=7.24 Hz, 1H) 7.76 (td, J=6.85, 1.96 Hz, 1H) 8.02 (dd, J=6.46, 0.98 Hz, 1H) 8.20 (d, J=9.00 Hz, 1H) 8.41 (dd, J=4.89, 1.37 Hz, 1H) 10.16 (s, 1H) 12.72 (br. s., 1H). MS (ESI, pos. ion) m/z: 356.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09394297B2
Source datasetuspto-grants-2016_07
ORD IDord-89703f303cd941a7899e954afcac1bc3
Source noteuspto-grants-2016_07