Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 255246Generated: October 29, 2026

Sodium cyanoborohydride → HCID 15981895, compound

https://huagongshe.com/reaction/255246

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium cyanoborohydrideHCID 5003444—
Reactant3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehydeHCID 21873737—
Reactant6-Acetyl-4-[2-(4-aminopiperidin-1-yl)ethyl]-2H-1,4-benzoxazin-3(4H)-oneHCID 66774739—
ProductHCID 15981895HCID 159818957%

Reaction Steps

6-Acetyl-4-[2-(4-aminopiperidin-1-yl)ethyl]-2H-1,4-benzoxazin-3(4H)-one (Intermediate 87), 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde (WO 2004/058144) and sodium cyanoborohydride were reacted as described under Example 21 to give the product as an off-white solid in 7% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875715B2
Source datasetuspto-grants-2011_01
ORD IDord-4ade39027ce648f891118e5fe75c7ee0
Source noteuspto-grants-2011_01