All manipulations were performed under inert conditions using either standard Schlenk techniques or nitrogen-filled glovebox. House nitrogen was purified through a MBraun HP-500-MO-OX gas purifier. nHexane, toluene and THF were purified by refluxing over potassium using benzophenone as an indicator and distilled prior to use. The chemicals pentamethylcyclopentadiene (Cp*H), allylmagnesium chloride (2.0 M in THF), potassium bistrimethylsilylamide (KN(Si(CH3)3)2), anhydrous YCl3, and 2.2.2-cryptand (crypt-222) were purchased from Sigma-Aldrich. 2.2.2-cryptand (crypt-222) was recrystallized from nhexane prior to use. KCp*,30 (link) (HNEt3)(BPh4),31 (link) Cp*2Y(BPh4),19 (link) H2Bbim,32 (link) (Li(TMEDA))2Bbim33 (link) and KC8 34 (link) were synthesized according to literature procedures.
Protocol detail
Inert Synthesis of Cyclopentadienyl Organometallics
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Corresponding Organization : Michigan State University
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Variable analysis
independent variables
- Purification techniques (refluxing over potassium using benzophenone as an indicator and distillation)
- Recrystallization of 2.2.2-cryptand (crypt-222) from n-hexane
- No dependent variables are explicitly mentioned.
- Inert conditions using either standard Schlenk techniques or nitrogen-filled glovebox
- Purification of house nitrogen through a MBraun HP-500-MO-OX gas purifier
- Positive control: None mentioned.
- Negative control: None mentioned.
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