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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