{"id":13757,"date":"2017-04-24T10:57:53","date_gmt":"2017-04-24T02:57:53","guid":{"rendered":"\/\/www.gsbet888.com\/?p=13757"},"modified":"2019-08-02T18:53:21","modified_gmt":"2019-08-02T10:53:21","slug":"already%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"\/\/www.gsbet888.com\/%e5%8c%96%e5%ad%a6%e6%9d%82%e8%ae%b0\/%e5%8c%96%e5%ad%a6%e4%b8%8e%e8%8b%b1%e8%af%ad\/2017\/04\/already%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95.html","title":{"rendered":"already\u7684\u4f7f\u7528\u65b9\u6cd5"},"content":{"rendered":"
\u526f\u8bcd\u201calready\u201d\u662f\u6700\u5e38\u88ab\u9519\u8bef\u4f7f\u7528\u7684\u5355\u8bcd\u4e4b\u4e00\u3002\u5728\u6211\u6240\u9605\u8bfb\u8fc7\u5b66\u672f\u8bba\u6587\u4e2d\uff0c\u5bf9\u5176\u4f7f\u7528\u8d85\u8fc7\u4e00\u534a\u662f\u9519\u8bef\u7684<\/strong>\u3002\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u76f4\u63a5\u5c06\u53e5\u5b50\u4e2d\u7684\u201calready\u201d\u5220\u53bb\u5373\u53ef\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002<\/p>\n \u201calready\u201d\u901a\u5e38\u7528\u6765\u8868\u793a\u67d0\u4e00\u52a8\u4f5c\u5df2\u7ecf\u7ed3\u675f\uff0c\u6216\u8005\u67d0\u4e00\u72b6\u6001\u5df2\u7ecf\u5f62\u6210\u3002\u4f46\u5f88\u591a\u60c5\u51b5\u4e0b\u5373\u4f7f\u6ca1\u6709\u5b83\u7684\u5b58\u5728\uff0c\u901a\u8fc7\u6587\u7ae0\u5185\u5bb9\u4e5f\u53ef\u660e\u786e\u8fd9\u4e00\u70b9\u3002\u6b64\u65f6\uff0c\u5c31\u6ca1\u6709\u7279\u610f\u5f3a\u8c03\u201c\u5df2\u7ecf\u7ed3\u675f\u4e86\u201d\u7684\u5fc5\u8981\uff0c\u5373\u4e0d\u5fc5\u4f7f\u7528\u201calready\u201d\u3002<\/p>\n <\/p>\n \u4ee5\u4e0b\u662f\u300calready\u300d\u7684\u5178\u578b\u9519\u8bef\u7528\u6cd5<\/p>\n (1) [\u8bef] This model was\u00a0already<\/u><\/strong>\u00a0investigated in Ref. [4]. (2) [\u8bef] There have\u00a0already<\/u><\/strong>\u00a0been several long-term studies on the side effects of\u00a0Ritalin on adults. (3) [\u8bef] We\u00a0already<\/u>\u00a0showed that Eq.(1) has a unique solution in the previous\u00a0section. (4) [\u8bef] As\u00a0already<\/u>\u00a0mentioned above, the competitive equilibrium of this economy is\u00a0inefficient. \u4ece\u4e0a\u8ff0\u4f8b\u53e5\u53ef\u4ee5\u770b\u51fa\uff0c\u5373\u4f7f\u5c06\u201calready\u201d\u5220\u53bb\u4e5f\u80fd\u660e\u786e\u6240\u5bf9\u5e94\u7684\u52a8\u4f5c\u5df2\u7ecf\u5b8c\u6210\u8fd9\u4e00\u4e8b\u5b9e\u3002<\/p>\n Such carbamoyl transfers have\u00a0already<\/strong>\u00a0been described by Hoppe for the transformation of thioenol carbamates, Snieckus and Percy as a route to\u00a0acyl anion equivalents, and more recently by Clayden for N C aryl migration. \u00a0DOI:\u00a010.1002\/anie.201601883<\/a><\/p><\/blockquote>\n However in the first publication it was\u00a0already<\/strong>\u00a0demonstrated that this method with a boronic acid as the aryl donor was applicable to a wide range of nucleophilic reaction partners, including phenols (C(aryl)\u2013O bonds) and amines, anilines, amides, imides, ureas, carbamates, and sulfonamides (C(aryl)\u2013N bonds). DOI:\u00a010.1002\/anie.200300594<\/a><\/p><\/blockquote>\n This reaction has\u00a0already<\/strong>\u00a0been successfully employed in short syntheses of\u00a03<\/strong>\u00a0and\u00a06<\/strong>. DOI:\u00a010.1038\/nature05569<\/a><\/p><\/blockquote>\n It has\u00a0already<\/strong>\u00a0been shown that these reactions can be considered as complementary to some of the classic reactions of organic synthesis and this will be further emphasized as additional ingenious applications of this chemistry to total synthesis are described. DOI:\u00a010.1038\/nature06485<\/a><\/p><\/blockquote>\n \u672c\u6587\u51fa\u81ea\u00a0Enago\u5b66\u672f\u82f1\u8bedacademy<\/a>\uff08\u65e5\u6587\u7248\uff09<\/p>\n
\n(1)\u00a0[\u6b63] This model was investigated in Ref. [4].<\/p>\n
\n(2)\u00a0[\u6b63] There have been several long-term studies on the side effects of Ritalin\u00a0on adults.
\n(2)\u00a0[\u6b63] There are several existing long-term studies on the side effects of Ritalin\u00a0on adults.<\/p>\n
\n(3)\u00a0[\u6b63] We showed that Eq.(1) has a unique solution in the previous\u00a0section.<\/p>\n
\n(4)\u00a0[\u6b63] As mentioned above, the competitive equilibrium of this economy is\u00a0inefficient.<\/p>\n\u5316\u5b66\u8bba\u6587\u4e2d\u7684\u300calready\u300d\u4f7f\u7528\u5b9e\u4f8b<\/h4>\n
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