Rxn 1: prop-1-yne reacts with H2 and palladium on carbon  Rxn 2: Butan-2-one reacts with sodim borohydride/H+  Rxn 3: Butan-2-one reacts with methylmagnesium bromide in a Grignard reaction.

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL2: Mass Spectrometry
Section: Chapter Questions
Problem 24CTQ
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Rxn 1: prop-1-yne reacts with H2 and palladium on carbon 

Rxn 2: Butan-2-one reacts with sodim borohydride/H+ 

Rxn 3: Butan-2-one reacts with methylmagnesium bromide in a Grignard reaction. 

5. Answer the following post-lab questions for each reaction:
a) What type of reaction is occurring?
b) Based on the spectral data, how can one tell if the reactant is converting to product (i.e. what peak
transitions are observed)? How can one tell when the reaction is complete?
c) Focusing on the reactants only, which signal (report the chemical shift) is the furthest downfield
and provide explanation why.
d) Focusing on the reactants only, how many 13CNMR signals would your reactants have?
Transcribed Image Text:5. Answer the following post-lab questions for each reaction: a) What type of reaction is occurring? b) Based on the spectral data, how can one tell if the reactant is converting to product (i.e. what peak transitions are observed)? How can one tell when the reaction is complete? c) Focusing on the reactants only, which signal (report the chemical shift) is the furthest downfield and provide explanation why. d) Focusing on the reactants only, how many 13CNMR signals would your reactants have?
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