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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 601107Generated: October 30, 2026

Ethyl 2-(neopentylamino)nicotinate → 1-neopentyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dione

https://huagongshe.com/reaction/601107

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-(neopentylamino)nicotinateHCID 61167431—
ReactantEthyl 2-[(2-ethylbutyl)amino]nicotinateHCID 67064133—
Product1-neopentyl-2H-pyrido[2,3-d][1,3]oxazine-2,4(1H)-dioneHCID 86592311—

Reaction Steps

The title compound was prepared according to the procedure of Example 3B substituting the product of Example 30A for the product of Example 3A (0.182 g, 89%). 1H NMR (300 MHz, CDCl3) δ 1.12 (s, 9H), 4.28 (s, 2H), 7.25 (dd, J=6.99, 4.04 Hz, 1H), 8.41 (dd, J=7.91, 2.02 Hz, 1H), 8.69 (dd, J=4.78, 1.84 Hz, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07902203B2
Source datasetuspto-grants-2011_03
ORD IDord-0964fcb86214415aae24bd604c2c59fa
Source noteuspto-grants-2011_03