Synthesis of triphenylmethanol: 1. Start from bromobenzene to product, write chemical equations for this experiment stepwise...

Synthesis of triphenylmethanol: 1. Start from bromobenzene to product, write chemical equations for this experiment stepwise and indicate which steps are water sensitive. 2. What is the major factor that increases by product biphenyl formation? How to remove this compound from the final product?

Expert Solution

queen_honey_blossom answered 11 months ago

Post-‐Lab to Accompany the Grignard Synthesis of Triphenylmethanol You were instructed to add the bromobenzene in...

Post-‐Lab to Accompany the Grignard Synthesis of Triphenylmethanol You were instructed to add the bromobenzene in increments during the Grignard preparation to prevent an unwanted side reaction. What would the product of that reaction be (show structure also)? How was it removed during work-‐up from the triphenylmethanol product?

Grignard Lab... Preparation of PhMgBr... .02 mole Mg .0021 moles of bromobenzene Synthesis of Triphenylmethanol Moles...

Grignard Lab... Preparation of PhMgBr... .02 mole Mg .0021 moles of bromobenzene Synthesis of Triphenylmethanol Moles of benzophenone =.002 weight of crude product after washing with petroleum ether+ .157 g CALCULATE PERCENT YIELD OF PRODUCT??? After recrystallization weight of product = .132 g % YEILD OF PRODUCT??? WITH CALCULATIONS

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