1: P(C6H5)3NCO2CH3CH2 With n-butyllithium in tetrahydrofuran; hexane T=-35°C; 0.5 h; 2: benzaldehyde in tetrahydrofuran; hexane T=-70°C; Further stages. Title compound not separated from byproducts.;
1: With bis(cyclopentadienyl)titanium dichloride; ethylaluminum dichloride; magnesium in tetrahydrofuran T=20°C; Inert atmosphere; 2: With hydrogenchloride in tetrahydrofuran; hexane; water T=20°C; regioselective reaction;
参考文献
Russian Journal of Organic Chemistry, , vol. 44, # 6 p. 781 - 784