반응 #710049

반응 방정식

Chlorotrimethylsilane

Sodium cyclopentadienide

→

bis(trimethylsilyl)cyclopentadiene

trimethylsilylcyclopentadiene

용매

tetrahydrofuran

반응 조건

후처리

1. 1
   workup.ADDITIONThe reaction mixture is poured into 150 ml of cold,
2. 2
   workup.DISTILLATIONdistilled water and trimethylsilylcyclopentadiene
3. 3
   추출is extracted into diethyl ether
4. 4
   기타The extract is rotary evaporated
5. 5
   기타to remove the ethereal solvent
6. 6
   workup.DISTILLATIONdistilled

실험 절차

Trimethylsilylcyclopentadiene and bis(trimethylsilyl)cyclopentadiene are prepared by the procedures of Kraihanzel et al., J. Amer. Chem. Soc., 90, 4701 (1968) and I. M. Pribytkova et al., J. of Organometallic Chem., 30, C57-C60 (1971). Sodium cyclopentadienide (44 g, 0.50 mole) is added to 150 ml of tetrahydrofuran. Chlorotrimethylsilane (54 g, 0.5 mole) is added dropwise slowly to the reaction and the stirring is continued for 3 hours. The reaction mixture is poured into 150 ml of cold, distilled water and trimethylsilylcyclopentadiene is extracted into diethyl ether. The extract is rotary evaporated to remove the ethereal solvent and the residue is vacuum distilled to give trimethylsilylcyclopentadiene, b.p. 41° C.-43° C. (16 mm).

출처