draw the mechanism for when 2-methyl-1-propanol reacts with phenyl isocyanate.

EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter81: Extractions, Separations, And Drying Agents
Section: Chapter Questions
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draw the mechanism for when 2-methyl-1-propanol reacts with phenyl isocyanate. this is the procedure that was done, i just need the reaction mechanism 

Phenylurethanes
Mix 100 mg of anhydrous alcohol and 100 mg of phenyl
isocyanate (or a-naphthylurethane), and heat on the
water bath for 5 min. Cool, add about 1 mL of ligroin,
heat to dissolve the product, perform hot gravity
filtration to remove the small amount of diphenylurea (if
present), and cool the filtrate in ice, with scratching to
induce crystallization. Collect the product by suction
filtration and wash the crystals with cold ligroin and let it
dry until next time.
ROH + O=C=N
0-4
RO
N
Transcribed Image Text:Phenylurethanes Mix 100 mg of anhydrous alcohol and 100 mg of phenyl isocyanate (or a-naphthylurethane), and heat on the water bath for 5 min. Cool, add about 1 mL of ligroin, heat to dissolve the product, perform hot gravity filtration to remove the small amount of diphenylurea (if present), and cool the filtrate in ice, with scratching to induce crystallization. Collect the product by suction filtration and wash the crystals with cold ligroin and let it dry until next time. ROH + O=C=N 0-4 RO N
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