Na-Pi buffer in acetone 48 h; tubers of Helianthus tuberosus presence, pH 5.9; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
1: With potassium carbonate; palladium diacetate; 1,3-bis-(diphenylphosphino)propane in water; N,N-dimethyl-formamide T=120°C; 16 h; Pressure bottle; 2: With hydrogenchloride in water 0.5 h; Product distribution / selectivity;
calcium hydroxide powder; dicobalt octacarbonyl; methyl iodide in ethanol; water 20 h; Ambient temperature; Title compound not separated from byproducts;
参考文献
Journal of Organic Chemistry, , vol. 52, # 12 p. 2623 - 2625
1: With potassium carbonate; palladium diacetate; 1,3-bis-(diphenylphosphino)propane in water; N,N-dimethyl-formamide T=120°C; 16 h; Pressure bottle; 2: With potassium carbonate in water 0.5 h; Product distribution / selectivity;