Citation:
Qian Chang Ding, Yun Feng Du, Xin Sheng Li, Dong Cheng Xu. Convenient synthesis of chiral H4-BINOL via direct hydrogenation of BINOL[J]. Chinese Chemical Letters,
;2010, 21(11): 1277-1280.
doi:
10.1016/j.cclet.2010.07.013
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A simple, highly effective hydrogenation of chiral BINOL to provide H4-BINOL in multigram scale with good yield (up to 78% yield) was developed. A series of heterogeneous catalysts was tested in the hydrogenation; the best result was obtained with 5% Pd/C in EtOH under the H2 pressure of 50 bar for 2 h. This method is a more useful method for practical synthesis of optically pure H4-BINOL than other available methods.
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