Water → Ethyl 4-cyclohex-1-en-1-yl-2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-1,3-thiazole-5-carboxylate

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Using ethyl 2-(2-methylpyrazolo[1,5-a]pyridin-3-yl)-4-{[(trifluoromethyl)sulfonyl]oxy}-1,3-thiazole-5-carboxylate (220 mg, 0.5 mmol) produced in Example 15(i), 2-cyclohex-1-en-1-yl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (620 mg, 3.0 mmol), [1,1-bis(diphenylphosphino)ferrocene]palladium(II) dichloride dichloromethane complex (72 mg, 0.088 mmol), cesium carbonate (620 mg, 1.9 mmol), water (0.5 mL) and 1,2-dimethoxyethane (15 mL) as starting materials and in the same manner as in Example 13-B (iii), the title compound (176 mg, 95%) was obtained as a yellow solid.

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