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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 68419Generated: October 29, 2026

Methylamine → HCID 76281851, compound

https://huagongshe.com/reaction/68419

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantN-[(4aR,6R,8aS)-8a-(5-cyano-2-fluorophenyl)-6-(3-methyl-1,2-oxazol-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamideHCID 86762656—
SolventEthanolHCID 702—
ProductHCID 76281851HCID 76281851—

Reaction Steps

Methylamine (8 M in ethanol, 1.34 mmol) was added to a solution of N-[(4aR,6R,8aS)-8a-(5-cyano-2-fluorophenyl)-6-(3-methyl-1,2-oxazol-5-yl)-4,4a,5,6,8,8a-hexahydropyrano[3,4-d][1,3]thiazin-2-yl]benzamide (C37) (0.051 g, 0.11 mmol) in ethanol (4 mL). The resulting solution was allowed to stir at room temperature for 16 hours. The reaction mixture was concentrated under reduced pressure to give a yellow oily residue. Purification via silica gel chromatography (Gradient: 0% to 15% methanol in dichloromethane) afforded the product as an off-white solid. Yield: 25 mg, 63%. LCMS m/z 373.1 [M+H+]. 1H NMR (400 MHz, CD3OH) δ 7.78 (ddd, J=8.5, 4.5, 2.2 Hz, 1H), 7.69 (dd, J=7.2, 2.2 Hz, 1H), 7.35 (dd, J=8.6, 11.3 Hz, 1H), 6.26 (s, 1H), 4.89 (dd, J=11.9, 2.5 Hz, 1H), 4.25 (dd, J=11.2, 2.2 Hz, 1H), 3.80 (d, J=11.2 Hz, 1H), 3.08-3.14 (m, 1H), 2.89 (dd, J=12.7, 4.1 Hz, 1H), 2.78 (dd, J=12.7, 2.9 Hz, 1H), 2.28 (s, 3H), 2.10-2.22 (m, 1H), 1.91-1.96 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08822456B2
Source datasetuspto-grants-2014_09
ORD IDord-cb4f120169bf408fa1ac7c45e6b402f6
Source noteuspto-grants-2014_09