4 A molecular sieve; (S)-lt;(1,1'-binaphthalene-2,2'-diol)-Zr(OiPr)2gt; in dichloromethane T=-20°C; 6 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
sodium (tert-butylamino)trihydroborate in tetrahydrofuran T=66°C; 65 h; further reducing agent: sodium (dimethylamino)trihydroborat (NaDMAB); Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Journal of Organic Chemistry, , vol. 49, # 13 p. 2438 - 2443