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the chirality sensing is based on spontaneous asymmetric transformation of the first kind with stereolabile binaphtholate boron and zinc complexes. the steadily increasing efficiency in asymmetric synthesis has shifted focus toward the development of time efficient optical techniques with potential for high-throughput screening. [ ·¢×ÔÊÖ»ú°æ https://muchong.com/3g ] |
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hsiaoeng.221
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Çó·ÒëThis approach eliminates the use of enantiopure BINOL and solely relies on chiral amplification based on central-to-axial chirality induction with stereolabile binaphthol 2 serving as the CD reporter unit. Compared to the general chirality sensing method with B(OMe)3 and 2 described above, the three-component assembly with 31 is limited to substrates having a primary amino group. But it is not applicable to N-methyl ephedrine, 20, and other amines or amino alcohols with secondary or tertiary amino functions. |

7Â¥2014-04-13 15:52:15
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2Â¥2014-02-15 17:16:56
hsiaoeng.221
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3Â¥2014-02-16 12:17:55
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4Â¥2014-02-22 21:58:54













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