sodium iodide; N,N,N',N'-tetramethylguanidine in tetrahydrofuran T=0°C; Horner-Wadsworth-Emmons reaction;

sodium iodide; N,N,N',N'-tetramethylguanidine in tetrahydrofuran T=0°C; Horner-Wadsworth-Emmons reaction;

1: [bis-(2,4-di-tert-butyl-phenoxy)-phosphoryl]-acetic acid ethyl ester With sodium iodide; N,N,N',N'-tetramethylguanidine in tetrahydrofuran T=0°C; 0.5 h; 2: benzaldehyde in tetrahydrofuran T=0°C; Horner-Wadsworth-Emmons Olefination; 1 h; Product distribution / selectivity;