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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2251021Generated: October 30, 2026

1-[(1S)-1-cyclopropylpropyl]-3,5-dichloro-2(1H)-pyrazinone → HCID 10274881, compound

https://huagongshe.com/reaction/2251021

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-[(1S)-1-cyclopropylpropyl]-3,5-dichloro-2(1H)-pyrazinoneHCID 18452801—
Reactant7-Bromo-5-methoxyindoline hydrochlorideHCID 18452817—
ProductHCID 10274881HCID 10274881—

Reaction Steps

Prepared in a similar fashion as described for Example 413 using 3,5-dichloro-1-[(1S)-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), 6.76 (d, J=2.2 Hz, 1 H), 4.34-4.24 (m, 2 H), 4.10-4.01 (m, 1H), 3.76 (s, 3 H), 3.09 (t, J=7.9 Hz, 2 H), 1.94-1.74 (m, 2 H), 1.06-0.98 (m, 1 H), 0.95-0.86 (m, 3 H), 0.79-0.72 (m, 1 H), 0.54-0.44 (m, 2 H), 0.35-0.22 (m, 1 H); HRMS (ESI) calcd for C19H22N3O2BrCl (M+H)+: 438.0584; found m/z 438.0605.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07319100B2
Source datasetuspto-grants-2008_01
ORD IDord-38f9e6dc9be74e2e80cefd7057b2eb9a
Source noteuspto-grants-2008_01