- 问题详情:[化学——选修5:有机化学基础](15分)氧化白藜芦醇W具有抗病毒等作用。下面是利用Heck反应合成W的一种方法:回答下列问题:(1)A的化学名称为___________。(2)中的官能团名称是___________。(3)反应③的类型为___________,W的分子式为___________。(4)不同条件对反应④产率的影响...
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- Ah,heck!Anothermistake.Howtheheckcanthisbe?Wecansureasheckslowitdown!Andyouknow,ifthat'snotenoughforpeople,thenheck,don'tvoteforhim.WhattheheckdoesRugbyhavetodowithsoftwaredevelopment?Besides,asIobserved,"Whotheheckcouldreplacehimanyway?"I'msupp...
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- 1、Ihadaheckofatime.2、Hadaheckofalotofmoney;wascrowdedasheck.3、They'respendingaheckofalotofmoney.4、NowTHATwouldbeaheckofafinding.5、Wehadtowaitaheckofalongtime!6、ThenextPresidentgetsaheckofawindfall.7、"Brownie(MichaelBrownofFEMA),youaredoingah...
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- 1、MyBlackraiseheckwhenhesawthedentedendlesslyblamedtheotherdrivers.2、MyBlackraiseheckwhenhesawthedentedfender.Heendlesslyblamedtheotherdrivers.3、MyBlackraiseheckwhenhesawthecolor=#cc0066>dentedfender.Heendlesslyblamedtheotherdrivers....
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- 问题详情:美国化学家因发现如下Heck反应而获得2010年诺贝尔化学奖。经由Heck反应合成M(一种防晒剂)的路线如下:回答下列问题:(1)M可发生的反应类型是________。a.取代反应 b.酯化反应c.缩聚反应 ...
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