Sodium hydride → 2,2,3,3-Tetramethylcyclopropanecarboxylic acid (5-chloro-3-(2-methoxy-ethy)-4-methyl-3H-thiazol-2-ylidene]-amide

Participants

Reaction Steps

A mixture of the product of Example 118A (150 mg, 0.55 mmol), NaH (60% dispersion in mineral oil, 29.0 mg, 0.71 mmol) and 2-bromoethyl methyl ether (57 μl, 0.61 mmol) in 20 mL of 2:1 THF/DMF was processed according to the method desribed in Example 112B to provide the title compound: 1H NMR (300 MHz, DMSO-d6) δ 1.18 (s, 6H) 1.23 (s, 6H) 1.50 (s, 1H) 2.29 (s, 3H) 3.25 (s, 3H) 3.63 (t, J=5.3 Hz, 2H) 4.27 (t, J=5.3 Hz, 2H); MS (DCI/NH3) m/z 331 (M+H)+.

Provenance & Evidence