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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1271149Generated: October 30, 2026

1-[(1R)-1-cyclopropylpropyl]-3,5-dichloro-2(1H)-pyrazinone → HCID 10274880, compound

https://huagongshe.com/reaction/1271149

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-[(1R)-1-cyclopropylpropyl]-3,5-dichloro-2(1H)-pyrazinoneHCID 18452799—
Reactant7-Bromo-5-methoxyindoline hydrochlorideHCID 18452817—
ProductHCID 10274880HCID 10274880—

Reaction Steps

Prepared in a similar fashion as described for Example 413 using 3,5-dichloro-1-[(1R)-1-cyclopropylpropyl]-2(1H)-pyrazinone and 7-bromo-5-methoxyindoline hydrochloride as the starting materials. mp 138–140° C.; 1H NMR (300 MHz, CDCl3): δ 6.94 (s, 1 H), 6.89 (d, J=2.2 Hz, 1 H), 6.75 (d, J=2.5 Hz, 1 H), 4.34–4.24 (m, 2 H), 4.10–4.01 (m, 1 H), 3.76 (s, 3 H), 3.09 (t, J=7.9 Hz, 2 H), 1.91–1.74 (m, 2 H), 1.06–0.98 (m, 1 H), 0.95–0.86 (m, 3 H), 0.79–0.72 (m, 1 H), 0.53–0.44 (m, 2 H), 0.35–0.24 (m, 1 H); HRMS (CI) calcd for C19H22N3O2BrCl (M+H)+: 438.0584; found m/z 438.0570.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07205306B2
Source datasetuspto-grants-2007_04
ORD IDord-3458c21f03a04ccb828427426f7af04f
Source noteuspto-grants-2007_04