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How to solve synthesis problems 1 Working backwards from the product Recognize in the product clues about the last reaction study tip find a friend write out reactions only show your friend the product and have them guess the starting material and reagent Presumes you know the roadmap 2 Count carbons in products vs the starting material Do you need to make or break a C C bond

Working backwards product Recognize product about

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Page 1: Working backwards product Recognize product about

How to solve synthesisproblems

1 Working backwards fromthe product Recognizein the product clues about

the last reaction

study tip find a friend write

out reactions only show yourfriend the product and havethem guess the startingmaterial and reagent

Presumes you know the

roadmap

2 Count carbons in productsvs the starting material

Do you need to makeor break a C C bond

Page 2: Working backwards product Recognize product about

ftp.CHRXMakes

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e on IEEE EtT t'ts er si

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jes u

Page 3: Working backwards product Recognize product about

1

G carbons G carbons

yppOH vicinal didIs Wao't sandditin

Alkane

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TLd EzNotChina

Page 4: Working backwards product Recognize product about

7 carbons T carbons

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Alkane Alcohol Syn addition ofIt and OH OH on le substituted

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Page 5: Working backwards product Recognize product about

7 carbons 7 carbons

ofIII nah't

L Kiki LianeRacemic

AlkaneHalohydrin

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Not or

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Page 6: Working backwards product Recognize product about

C C bonds must use

broken ozonolysis11 carbons 8 carbons

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Br no

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Zaitsev

Page 7: Working backwards product Recognize product about

3 carbons8 carbon5 carbons Br NEGI

ra t mineI23 g G S L

Zz g

b 8

Alkene Holo Hee E alkene

d EE iEIt quaBr NHzBr Racer.ie

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