发明名称 |
Thiocarbamate preparation utilizing quaternary ammonium salt catalysts. |
摘要 |
<p>Thiocarbamates are prepared by a process comprising reacting an aqueous solution of a thiocarbamate salt with an organic halide in the presence of a catalytic amount of a quaternary ammonium salt having the formula
<Chemistry id="chema01" num="0001"><Image id="ia01" he="9" wi="38" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>in which R<Sup>4</Sup> and R<Sup>5</Sup> are independently selected from the group consisting of C<Sub>1</Sub>-C<Sub>25</Sub> alkyl and C<Sub>2</Sub>-C<Sub>25</Sub> alkenyl, R<Sup>6</Sup> and R<Sup>7</Sup> are independently selected from the group consisting of C<Sub>6</Sub>-C<Sub>25</Sub> alkyl and C<Sub>6</Sub>-C<Sub>25</Sub> alkenyl, and Y- is an anion selected from the group consisting of chloride and bromide; and separating the thiocarbamate from the aqueous solution.</p> |
申请公布号 |
EP0004377(A1) |
申请公布日期 |
1979.10.03 |
申请号 |
EP19790100860 |
申请日期 |
1979.03.21 |
申请人 |
STAUFFER CHEMICAL COMPANY |
发明人 |
TILLES, HARRY;HOCH, PAUL EDWIN |
分类号 |
A01N47/12;A01N47/16;A01N47/18;A01N47/20;A01N47/22;B01J27/00;C07B61/00;C07C67/00;C07C325/00;C07C333/02;C07C333/04;(IPC1-7):07C155/00 |
主分类号 |
A01N47/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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