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(44.220.181.180) GMT+8:2024/09/18 08:42
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Author:
黃國良
Title:
反式醯基烷基□醯基苯基及順式雙醯基鉑錯合物的合成及其羰化反應
Advisor:
陳竹亭
degree:
Master
Institution:
國立臺灣大學
Department:
化學研究所
Narrow Field:
自然科學學門
Detailed Field:
化學學類
Types of papers:
Academic thesis/ dissertation
Publication Year:
1992
Graduated Academic Year:
80
language:
Chinese
number of pages:
97
Ncl record status:
Cited :0
Hits:150
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反式醯基烷基或醯基苯基錯合物以及順式雙醯基錯合物,被認為是鈀催化有機鹵化物(RX)之雙重碳化反應,關鍵中間產物。本篇論文利用反式醯基鹵基鉑錯合物(trans-Pt(COR)(X)(PPh3)2 (R=Me,Ph,Et﹔X=Cl,Br)與有機鋅試劑 (ZnPh2﹔ZnEt2)進行烷基化反應成功合成trans-Pt(COR)(R')(PPh3)2(R=Ph,Me,Et﹔R'=Et,Ph)。且有高的產率。
然後將這些反式醯基烷基或醯基苯基錯合物,進行碳化反應即可得高產率順式雙醯基鉑錯合物cis-Pt(COR)(COR')(PPh3)2(R=Me,R'=Et(3a)﹔R=R'=Et(3b)﹔R=Ph,R'=Et(3c)﹔R=R'=Me(3d)﹔R=R'=Ph(3e)),這是一條簡便且乾淨得到順式雙醯基鉑錯合物的反應途徑。我們將順式雙醯基鉑錯合物進行還原消去反應,如預期的結果一樣,可得雙重碳化反應之有機產物PhC(O)C(O)Et,成功映證鈀催化有機鹵化物(RX)之雙重碳化反應的反應中間物為順式雙醯基鉑錯合物。並且對這些錯合物的結構﹔碳化反應﹔還原消 去反應及可能的反應機構加以探討。
參考書目:葉93-97
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