4 A molecular sieve; sodium ethanolate; (3-cumenyl-5-Me-pyrazolyl)3-borate-Zn-OH T=150°C; P=75006 Torr; 20 h; var. of catalyst, reagent, pressure, temp., time, without NaOEt; Product distribution;
1: With bis(triphenyl-λ5-phosphanylidene)ammonium fluoride; (1R,2R)-(t-Bu)2salenCoIII(OCOCF3) T=-40°C; 120 h; atmospheric pressure; 2: T=20°C; 4 h; Title compound not separated from byproducts;
参考文献
Berkessel, Albrecht; Brandenburg, Marc
Organic Letters, 2006 , vol. 8, # 20 p. 4401 - 4404
