Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 78424Generated: October 26, 2026

Triethylamine → 2,2,3,3-Tetramethylcyclopropanecarboxylic acid [3-(2-methoxy-ethy)-4,5,6,7-tetrahydro-3H-benzothiazol-2-ylidene]-amide

https://huagongshe.com/reaction/78424

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-methoxy-ethyl)-4,5,6,7-tetrahydro-3H-benzothiazol-2-ylideneamine hydrobromideHCID 66859028—
SolventDimethylformamideHCID 6228—
Product2,2,3,3-Tetramethylcyclopropanecarboxylic acid [3-(2-methoxy-ethy)-4,5,6,7-tetrahydro-3H-benzothiazol-2-ylidene]-amideHCID 68623747—

Reaction Steps

A mixture of the product of Example 121A (156 mg, 0.55 mmol), 2,2,3,3-tetramethylcyclopropanecarboxylic acid (94 mg, 0.66 mmol), HATU (479 mg, 0.83 mmol) and triethylamine (0.46 mL, 3.30 mmol) in 10 mL of DMF was processed according to the method of Example 2B to provide the title compound: 1H NMR (500 MHz, DMSO-d6) δ 1.16 (s, 6H) 1.23 (s, 6H) 1.45 (s, 1H) 1.69-1.82 (m, 4H) 2.43-2.48 (m, 2H) 2.54-2.59 (m, 2H) 3.24 (s, 3H) 3.60 (t, J=5.3 Hz, 2H) 4.16 (t, J=5.3 Hz, 2H); MS (DCI/NH3) m/z 337 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841334B2
Source datasetuspto-grants-2014_09
ORD IDord-3d6c691c15194c04a64248e17a6ade20
Source noteuspto-grants-2014_09