1: diethyl carboxymethylphosphonate With n-butyllithium in tetrahydrofuran T=-65°C; 1.5 h; 2: DMAC in tetrahydrofuran T=-65 - 20°C; 3: With hydrogenchloride in water pH=6.1;
参考文献
ERRANT GENE THERAPEUTICS, INC.
Patent: WO2006/52916 A2, 2006 ;
Location in patent: Page/Page column 18-19 ;