HOMEWORK ASSIGNMENT #2 ORGANIC CHEMISTRY II
HOMEWORK ASSIGNMENT #9 ORGANIC CHEMISTRY II
(naming aldehydes & ketones; reactions to aldehydes & ketones
(due Wednesday 26 April)
Your name:__________answers______________________________________________ 23 pts
9.1.Nomenclature (6 pts)
IUPAC name for acetone= ____2-propanone_(propanone)_____ IUPAC name for formaldehyde=_____methanal______________
Draw 3-chloroacetonphenone below: Draw 1-(3-hydroxyphenyl)-3-hexanone
_5-bromo-3-methyl-4-phenylpentanal_________ __benzophenone_________________ name us
9.2. Making Aldehydes and Ketones ( 9 pts)
K2Cr2O7 /H+ LiAlH4 /ether,H2O
(or NBS) H2O/heat
HgSO4/H2SO4
H2O
K2Cr2O7 /H2SO4
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(8 pts)
2-methyl-heptanal 2 pts each/4 pts total
Benzaldehyde 2 pts each/4 pts total
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pcc
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I also allowed[pic]
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SOCl2/pyridine or PCl3(neat)
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9.3 Starting from aromatics, aliphatic alcohols or acid chlorides suggest 2 different routes to:
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Cl
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(co-product is formaldehyde)
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