Triphenylphosphine → 2(Thiazol-2-yl)phenylglyoxylic Acid Methyl Ester-O-methyloxime

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Reaction Steps

Under a nitrogen blanket, 1.7 g of 2-triethylstannylthiazole is added to a mixture of 1.4 g (5.19 mmol) of the bromo compound (Compound E), 100 mg of palladium(II) chloride and 310 mg of triphenylphosphine in 30 ml of tetrahydrofuran, and the whole is refluxed for 2 hours. The mixture is then filtered and evaporated down. After chromatography on silica gel using cyclohexane/ethyl acetate there remains 700 mg (49%) of compound 1, Tab. I, as an oil.

Provenance & Evidence