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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 255231Generated: October 29, 2026

Sodium cyanoborohydride → HCID 178487286, compound

https://huagongshe.com/reaction/255231

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium cyanoborohydrideHCID 5003444—
Reactant3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehydeHCID 21873737—
ReactantHCID 178487285HCID 178487285—
ProductHCID 178487286HCID 17848728624%

Reaction Steps

4-[2-(Trans-4-aminocyclohexyl)ethyl]-6-methoxy-2H-1,4-benzoxazin-3(4H)-one (Intermediate 74) (310 mg, 1.73 mmol), 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde (WO 2004/058144) (1.73 mmol) and sodium cyanoborohydride were reacted as described under Example 21 to give 110 mg (24%) product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875715B2
Source datasetuspto-grants-2011_01
ORD IDord-ec80c55d016744e2b96e91402fcd9bfb
Source noteuspto-grants-2011_01