{"id":25784,"date":"2019-07-03T08:00:31","date_gmt":"2019-07-03T00:00:31","guid":{"rendered":"\/\/www.gsbet888.com\/?p=25784"},"modified":"2019-07-02T15:39:51","modified_gmt":"2019-07-02T07:39:51","slug":"%e5%85%89-lewis%e9%85%b8%e5%82%ac%e5%8c%96%e5%89%82%e5%82%ac%e5%8c%96%e8%82%89%e6%a1%82%e9%85%b8%e9%85%af%e4%b8%8e%e7%83%af%e7%83%83%e7%9a%84%e4%b8%8d%e5%af%b9%e7%a7%b022%e7%8e%af%e5%8a%a0%e6%88%90","status":"publish","type":"post","link":"\/\/www.gsbet888.com\/%e5%8c%96%e5%ad%a6%e6%9d%82%e8%ae%b0\/recentpaper\/2019\/07\/%e5%85%89-lewis%e9%85%b8%e5%82%ac%e5%8c%96%e5%89%82%e5%82%ac%e5%8c%96%e8%82%89%e6%a1%82%e9%85%b8%e9%85%af%e4%b8%8e%e7%83%af%e7%83%83%e7%9a%84%e4%b8%8d%e5%af%b9%e7%a7%b022%e7%8e%af%e5%8a%a0%e6%88%90.html","title":{"rendered":"\u5149\/Lewis\u9178\u50ac\u5316\u5242\u50ac\u5316\u8089\u6842\u9178\u916f\u4e0e\u70ef\u70c3\u7684\u4e0d\u5bf9\u79f0[2+2]\u73af\u52a0\u6210\u53cd\u5e94"},"content":{"rendered":"
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Yoon<\/a>\u6559\u6388\u548c\u97e9\u56fd\u9ad8\u7ea7\u79d1\u5b66\u6280\u672f\u7814\u7a76\u6240Mu-Hyun Baik\u6559\u6388\u62a5\u9053\u4e86\u5149\/Lewis\u9178\u50ac\u5316\u5242\u50ac\u53162′-\u7f9f\u57fa\u67e5\u5c14\u916e\u4e0e\u70ef\u70c3\u7684[2 + 2]\u73af\u52a0\u6210\u53cd\u5e94\u3002\u5176\u4e2d\uff0c2′-\u7f9f\u57fa\u67e5\u5c14\u916e\u4e0eSc(III) Lewis\u9178\u7ed3\u5408\u540e\uff0c2′-\u7f9f\u57fa\u67e5\u5c14\u916e\u7684\u4e09\u91cd\u6001\u80fd\u91cf\u6025\u5267\u964d\u4f4e\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u52a0\u5165Ru(II) \u611f\u5149\u5242\u53ef\u4ee5\u6709\u6548\u7684\u907f\u514d\u80cc\u666f\u53cd\u5e94[3]\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u4f5c\u8005\u62a5\u9053\u4e86\u5149\/Lewis\u9178\u50ac\u5316\u5242\u50ac\u5316\u8089\u6842\u9178\u916f\u4e0e\u70ef\u70c3\u7684\u4e0d\u5bf9\u79f0[2 + 2]\u73af\u52a0\u6210\u53cd\u5e94\uff0c\u80fd\u4ee5\u4f18\u79c0\u7684\u6536\u7387\u548c\u5bf9\u6620\u9009\u62e9\u6027\u4ee5\u53ca\u826f\u597d\u7684\u975e\u5bf9\u6620\u9009\u62e9\u6027\u5f97\u5230\u624b\u6027\u73af\u4e01\u70f7\u5316\u5408\u7269(Figure 1)\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u53d1\u8868\u4e8e<\/p>\n \u201cEnantioselective [2+2] Cycloadditions of Cinnamate Esters: Generalizing Lewis Acid Catalysis of Triplet Energy Transfer\u201d<\/p>\n Daub, M. E.; Jung, H.; Lee, B. J.; Won, J.; Baik, M.-H.;* Yoon, T. P. *<\/p>\n J. Am. Chem. Soc.<\/em> 2019<\/strong>, 141<\/em>, 9543\u22129547. DOI: 10.1021\/jacs.9b04643<\/a><\/p><\/blockquote>\n \uff08\u56fe\u7247\u6765\u6e90\uff1aJ. Am. Chem. Soc.<\/em>\uff09<\/p>\n \u8bba\u6587\u4f5c\u8005\uff1a<\/strong>Tehshik P. Yoon<\/p>\n 1996, A.B., Harvard University<\/p>\n 2002, Ph.D., California Institute of Technology<\/p>\n Synthetic utility, Mechanistic novelty, enantioselective catalysts, Sustainability<\/p>\n \u4ee5\u8089\u6842\u9178\u916f\u4e0e\u82ef\u4e59\u70ef\u4e3a\u6a21\u677f\u5e95\u7269\uff0c\u4f5c\u8005\u901a\u8fc7\u5bf9Lewis\u9178\u3001\u5149\u50ac\u5316\u5242\u7b49\u53cd\u5e94\u6761\u4ef6\u8fdb\u884c\u53cd\u590d\u7b5b\u9009\uff0c\u786e\u5b9a\u6700\u4f18\u7684\u53cd\u5e94\u6761\u4ef6\uff1a\u5728\u84dd\u5149\u7167\u5c04\u4e0b\uff0c1 mol% 7f<\/strong>\u4e3a\u5149\u50ac\u5316\u5242\uff0c25 mol% \u6076\u5511\u787c\u70f76f<\/strong>\u4e3aLewis\u9178\uff0cDCM\u4e3a\u6eb6\u5242\uff0c\u5728\u221225 \u00b0C\u6761\u4ef6\u4e0b\u53cd\u5e9424\u5c0f\u65f6\uff0c\u80fd\u4ee591%\u7684\u6536\u7387\u300197%\u7684\u5bf9\u6620\u9009\u62e9\u6027\u548c6:1\u7684\u975e\u5bf9\u6620\u9009\u62e9\u6027\u5f97\u5230\u76f8\u5e94\u4ea7\u7269 (Table 1&2)\u3002<\/p>\n \uff08\u56fe\u7247\u6765\u6e90\uff1aJ. Am. Chem. Soc.<\/em>\uff09<\/p>\n \u5728\u6700\u4f18\u53cd\u5e94\u6761\u4ef6\u4e0b\uff0c\u4f5c\u8005\u8003\u5bdf\u4e86\u8be5\u53cd\u5e94\u7684\u5e95\u7269\u8303\u56f4(Figure 2)\u3002\u5c06\u8089\u6842\u9178\u916f\u7684\u7532\u57fa\u6362\u6210\u4e59\u57fa\u3001\u5f02\u4e19\u57fa\u4ee5\u53ca\u82c4\u57fa\uff0c\u53cd\u5e94\u5747\u80fd\u8f83\u597d\u7684\u8fdb\u884c\uff0c\u80fd\u4ee5\u4f18\u79c0\u7684\u6536\u7387\u3001\u5bf9\u6620\u9009\u62e9\u6027\u4ee5\u53ca\u826f\u597d\u7684\u975e\u5bf9\u6620\u9009\u62e9\u6027\u5f97\u5230\u76f8\u5e94\u4ea7\u7269\u3002\u5404\u79cd\u03b2-\u82b3\u57fa\u53d6\u4ee3\u7684\u03b1,\u03b2-\u4e0d\u9971\u548c\u916f\u4ee5\u53ca\u7532\u57fa(E<\/em>) -3-(2-\u567b\u5429)\u4e19\u70ef\u9178\u916f\u540c\u6837\u5177\u6709\u826f\u597d\u7684\u8010\u53d7\u6027\uff0c\u4f46\u5df4\u8c46\u9178\u7532\u916f\u4e0d\u80fd\u751f\u6210\u73af\u52a0\u6210\u7269\u3002\u540c\u6837\uff0c\u5404\u79cd\u53d6\u4ee3\u7684\u82ef\u4e59\u70ef\u4e5f\u80fd\u8f83\u597d\u7684\u9002\u5e94\u53cd\u5e94\u6761\u4ef6\uff0c\u80fd\u4ee5\u4f18\u79c0\u7684\u6536\u7387\u3001\u5bf9\u6620\u9009\u62e9\u6027\u4ee5\u53ca\u826f\u597d\u7684\u975e\u5bf9\u6620\u9009\u62e9\u6027\u5f97\u5230\u76f8\u5e94\u4ea7\u7269\u3002<\/p>\n \uff08\u56fe\u7247\u6765\u6e90\uff1aJ. Am. Chem. Soc.<\/em>\uff09<\/p>\n \u7d27\u63a5\u7740\uff0c\u4f5c\u8005\u901a\u8fc7\u7b80\u5355\u7684\u4e24\u6b65\u6210\u529f\u7684\u5b9e\u73b0\u4e86\u5929\u7136\u4ea7\u7269\u8bfa\u91cc\u5c3c\u6602\u7684\u5408\u6210\uff08Scheme 1\uff09\u3002<\/p>\n \uff08\u56fe\u7247\u6765\u6e90\uff1aJ. Am. Chem. Soc.<\/em>\uff09<\/p>\n \u6700\u540e\uff0c\u4e3a\u4e86\u8fdb\u4e00\u6b65\u4e86\u89e3Lewis\u9178\u5728\u53cd\u5e94\u4e2d\u7684\u4f5c\u7528\uff0c\u4f5c\u8005\u8fdb\u884c\u4e86\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u3002\u8ba1\u7b97\u7ed3\u679c\u663e\u793aLewis\u9178\u53ef\u52a0\u5febDexter\u80fd\u91cf\u8f6c\u79fb\uff0c\u589e\u52a0\u70ed\u529b\u5b66\u9a71\u52a8\u4ece\u800c\u7a33\u5b9a\u5e95\u7269\u7684\u4e09\u91cd\u6fc0\u53d1\u6001\u3002\u540c\u65f6\uff0cLewis\u9178\u53ef\u901a\u8fc7\u8c03\u6574\u524d\u6cbf\u5206\u5b50\u8f68\u9053\u7684\u4f4d\u7f6e\u6765\u589e\u52a0Dexter\u80fd\u91cf\u8f6c\u79fb\u6240\u9700\u7684\u7535\u5b50\u8026\u5408\u3002<\/p>\n \u7f8e\u56fd\u5a01\u65af\u5eb7\u661f\u5927\u5b66\u9ea6\u8fea\u900a\u5206\u6821Tehshik P. Yoon<\/a>\u6559\u6388\u548c\u97e9\u56fd\u9ad8\u7ea7\u79d1\u5b66\u6280\u672f\u7814\u7a76\u6240Mu-Hyun Baik\u6559\u6388\u62a5\u9053\u4e86\u5149\/Lewis\u9178\u50ac\u5316\u5242\u50ac\u53162′-\u7f9f\u57fa\u67e5\u5c14\u916e\u4e0e\u70ef\u70c3\u7684[2 + 2]\u73af\u52a0\u6210\u53cd\u5e94\uff0c\u80fd\u4ee5\u4f18\u79c0\u7684\u6536\u7387\u3001\u5bf9\u6620\u9009\u62e9\u6027\u4ee5\u53ca\u826f\u597d\u7684\u975e\u5bf9\u6620\u9009\u62e9\u6027\u5f97\u5230\u76f8\u5e94\u4ea7\u7269\u3002\u901a\u8fc7\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u7ed3\u679c\u663e\u793aLewis\u9178\u53ef\u52a0\u5febDexter\u80fd\u91cf\u8f6c\u79fb\uff0c\u589e\u52a0\u70ed\u529b\u5b66\u9a71\u52a8\u4ece\u800c\u7a33\u5b9a\u5e95\u7269\u7684\u4e09\u91cd\u6fc0\u53d1\u6001\u3002\u540c\u65f6\uff0cLewis\u9178\u53ef\u901a\u8fc7\u8c03\u6574\u524d\u6cbf\u5206\u5b50\u8f68\u9053\u7684\u4f4d\u7f6e\u6765\u589e\u52a0Dexter\u80fd\u91cf\u8f6c\u79fb\u6240\u9700\u7684\u7535\u5b50\u8026\u5408\u3002<\/p>\n<\/a><\/p>\n
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