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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1794603Generated: November 4, 2026

1,1,1-Trimethoxybutane → HCID 135677718, compound

https://huagongshe.com/reaction/1794603

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,1,1-TrimethoxybutaneHCID 123512—
Reactant5-Amino-3-methyl-1,2-thiazole-4-carboxamideHCID 12255089—
SolventAcetic AnhydrideHCID 7918—
ProductHCID 135677718HCID 13567771840%

Reaction Conditions

Temperature130 °C

Reaction Steps

A mixture of 29 (3.0 g, 19.1 mmol), trimethyl orthobutyrate (7.0 mL) in acetic anhydride (7.0 mL) was heated at 130° C. in an open flask for 3 h, then cooled to room temperature and poured into ice water. The mixture was extracted with EtOAc for 3 times. The combined organic layers were dried over Na2SO4, filtered and concentrated. The residue was purified by silica gel column chromatography to give 30 (1.6 g, 40%) as a yellow solid. 1H-NMR (400 MHz, CDCl3): δ 12.15 (brs, 1H), 2.81 (s, 3H), 2.78 (t, J=7.68 Hz, 2H), 1.90 (m, 2H), 1.07 (t, J=7.37 Hz, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07022850B2
Source datasetuspto-grants-2006_04
ORD IDord-46df36ad001a40d3b236d844034ce9e5
Source noteuspto-grants-2006_04