HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methanol → 4-(2-{4-[(2,3-Dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]piperidin-1-yl}ethyl)-6-methoxypyrido[2,3-b]pyrazin-3(4H)-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methanol | HCID 887 | — |
| Reactant | 2,3-Dihydro[1,4]dioxino[2,3-c]pyridine-7-carbaldehyde | HCID 21873668 | — |
| Reactant | Sodiumacetoxyborohydride | HCID 23670382 | — |
| Reactant | 4-[2-(4-Aminopiperidin-1-yl)ethyl]-6-methoxypyrido[2,3-b]pyrazin-3(4H)-one | HCID 57815394 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 4-(2-{4-[(2,3-Dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]piperidin-1-yl}ethyl)-6-methoxypyrido[2,3-b]pyrazin-3(4H)-one | HCID 24866867 | 64.4% |
Reaction Steps
4-[2-(4-Aminopiperidin-1-yl)ethyl]-6-methoxypyrido[2,3-b]pyrazin-3(4H)-one (Intermediate 202, 75 mg) was reacted with 2,3-dihydro[1,4]dioxino[2,3-c]pyridine-7-carbaldehyde (WO 2004/058144) (48 mg) and sodium acetoxyborohydride (0.11) as described for Example 107. Chromatography on silica gel with 0-2% methanol in dichloromethane to give 72 mg of the product.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08124602B2 |
| Source dataset | uspto-grants-2012_02 |
| ORD ID | ord-c153b3cdad6046729067f08eff8f68c2 |
| Source note | uspto-grants-2012_02 |