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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 78421Generated: October 24, 2026

Triethylamine → 2,2,3,3-Tetramethylcyclopropanecarboxylic acid [3-(2-methoxy-ethy)-5-methyl-4-phenyl-3H-thiazol-2-ylidene]-amide

https://huagongshe.com/en/reaction/78421

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant2,2,3,3-Tetramethylcyclopropanecarboxylic acidHCID 152115—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
Reactant3-(2-methoxyethyl)-5-methyl-4-phenyl-3H-thiazol-2-ylideneamine hydrobromideHCID 68622292—
SolventDimethylformamideHCID 6228—
Product2,2,3,3-Tetramethylcyclopropanecarboxylic acid [3-(2-methoxy-ethy)-5-methyl-4-phenyl-3H-thiazol-2-ylidene]-amideHCID 68621851—

Reaction Steps

A mixture of the product of Example 119A (290 mg, 1.16 mmol), 2,2,3,3-tetramethylcyclopropanecarboxylic acid (182 mg, 1.28 mmol), HATU (661 mg, 1.74 mmol) and triethylamine (0.97 mL, 6.96 mmol) in 15 mL of DMF was processed according to the method of Example 2B to provide the title compound: 1H NMR (400 MHz, DMSO-d6) δ 1.17 (s, 6H) 1.26 (s, 6H) 1.49 (s, 1H) 2.01 (s, 3H) 3.02 (s, 3H) 3.43 (t, J=6.0 Hz, 2H) 4.06 (t, J=5.8 Hz, 2H) 7.39-7.43 (m, 2H) 7.50-7.57 (m, 3H); MS (DCI/NH3) m/z 373 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841334B2
Source datasetuspto-grants-2014_09
ORD IDord-2d0b18ead29c4ac9909183c9b49cdd7d
Source noteuspto-grants-2014_09