1: C11H17BN2O With magnesium bis(2,2,6,6-tetramethylpiperamide) in tetrahydro-4H-pyran; hexane RefluxCoolingInert atmosphere; 2: With iodine in tetrahydro-4H-pyran; hexane T=20°C; CoolingInert atmosphere; 3: 2,3-dimethylbutane-2,3-diol Further stages;
参考文献
Kawachi, Atsushi; Nagae, Saori; Onoue, Yasuhiro; Harada, Osamu; Yamamoto, Yohsuke
Chemistry - A European Journal, 2011 , vol. 17, # 29 p. 8005 - 8008
Del Grosso, Alessandro; Helm, Matthew D.; Solomon, Sophia A.; Caras-Quintero, Dolores; Ingleson, Michael J.
Chemical Communications, 2011 , vol. 47, # 46 p. 12459 - 12461
Et3N in dichloromethane byproducts: Et3NH-AlCl4; to borenium cation made in situ (in Schlenk, to soln. Et2N (CH2Cl2) added CatBCl, AlCl3; stirred) at 20°C arene added (CH2Cl2); excess Et3N added; pinacol added; stirred for 32 h;; (11)B (1H) NMR; volatiless remowed under vac; extracted (hexane); filtered through silica; removal of solvent;;
参考文献
Del Grosso, Alessandro; Singleton, Paul J.; Muryn, Christopher A.; Ingleson, Michael J.
Angewandte Chemie - International Edition, 2011 , vol. 50, # 9 p. 2102 - 2106
AlCl3; 2,6-lutidine in dichloromethane 1:1 mixt. of BCl3 and AlCl, pinacol (2.3-3.0 equiv.) and lutidine (15 equiv.) for 14 h;
参考文献
Del Grosso, Alessandro; Helm, Matthew D.; Solomon, Sophia A.; Caras-Quintero, Dolores; Ingleson, Michael J.
Chemical Communications, 2011 , vol. 47, # 46 p. 12459 - 12461
