反应条件
methanol; carbon monoxide; 1,1,1,3,3,3-hexamethyl-disilazane in tetrahydrofuran; methanol; toluene Irradiation (UV/VIS); THF soln. of carbene is cooled to -78°C, deoxygenated, kept under Ar; potassium amide in hexane is added at -60°C, after 10 min benzylchloride is added; resulting intermediate is taken in MeOH, irradn. under 75 psi of CO for 15-24 h;; removing Cr(CO)6 by filtn.; filtrate is concd. in vacuo, dissolved in ether-hexane, photooxidized, filtn., evapn., radial chromy. yields amino ester; NMR, IR, elem. anal.;
参考文献
Hegedus, Louis S.; Schwindt, Mark A.; De Lombaert, Stephane; Imwinkelried, Rene
Journal of the American Chemical Society, 1990 , vol. 112, # 6 p. 2264 - 2273