1,2-Dimethoxyethane → HCID 22734039, compound

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Reaction Steps

43.8 g of methyltriphenylphosphonium bromide in 300 ml of abs. dimethoxyethane are treated in portions under nitrogen with 3.6 g of sodium hydride (80% in paraffin). The mixture is stirred at RT for 1 h and a solution of 30 g of methyl 4-methoxy-3-(2-oxocyclohexyloxy)benzoate is then slowly added dropwise. The mixture is stirred at RT overnight and then worked up analogously to Example B5. 21 g of the title compound are obtained as a colorless oil.

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