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Synthesis 1985; 1985(11): 1059-1060
DOI: 10.1055/s-1985-31428
DOI: 10.1055/s-1985-31428
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Synthesis of trans-1,4-Bis[dimethylorganylsilyl]-2-butenes
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Publication Date:
27 September 2002 (online)
The reaction of chlorodimethylorganosilanes [Cl-Si(CH3)2R; R = CH3. -CH=CH2, -CH2Cl, -CH2-CH=CH2. C6H5) with magnesiumbutadiene at 0°C in toluene gives trans-1,4-bis[dimethylorganylsilyl]-2-butenes in 55-88% yield. The amount of (Z)-isomer ranges from 0 to 17% depending on the organic substituent; no 1.2-disylilated products were detected.