HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 449463Generated: October 26, 2026
Ammonia → 5-{2-[7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3,4-dihydroisoquinolin-2(1H)-yl]-2-oxoethyl}nicotinonitrile
https://huagongshe.com/reaction/449463
Participants
| Role | Name | HCID | Charge |
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| Reactant | Ammonia | HCID 222 | — |
| Reactant | N-methyl-2-pyrrolidone | HCID 13387 | — |
| Reactant | 4-[2-[(5-Bromopyridin-3-yl)acetyl]-1,2,3,4-tetrahydroisoquinolin-7-yl]-6-(4-methylpiperazin-1-yl)pyrimidin-2-amine | HCID 59496534 | — |
| Catalyst | Zinc cyanide (Zn(CN)2) | HCID 11186 | — |
| Catalyst | Zinc | HCID 23994 | — |
| Catalyst | HCID 178418851 | HCID 178418851 | — |
| Product | 5-{2-[7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3,4-dihydroisoquinolin-2(1H)-yl]-2-oxoethyl}nicotinonitrile | HCID 59496727 | — |
Reaction Steps
A degassed mixture of 4-{2-[(5-bromopyridin-3-yl)acetyl]-1,2,3,4-tetrahydroisoquinolin-7-yl}-6-(4-methylpiperazin-1-yl)pyrimidin-2-amine (20 mg, 0.04 mmol), zinc cyanide (7 mg, 0.06 mmol), bis(tri-t-butylphosphine)palladium (1 mg, 0.002 mmol) and zinc (0.4 mg, 0.006 mmol) powder in anhydrous N-methylpyrrolidinone (0.1 mL, 1 mmol) was heated at 135° C. for 18 h. The mixture was adjusted to pH=10 with aqueous NH3, filtered, washed with MeOH, and purified by RP-LCMS (pH=10) to afford the desire product. Analytic LCMS (M+H)+: m/z=469.1.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08481732B2 |
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| Source dataset | uspto-grants-2013_07 |
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| ORD ID | ord-11ba0b510713488cafb490a415d4b64e |
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| Source note | uspto-grants-2013_07 |
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