Chapter 11. Reactions Of Alcohols Flashcards

0
Q

Two ginger reagents are

A

Organo magnesium compounds

Organo lithium compounds

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1
Q

Gringar reagents act as

A

Carbanions

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2
Q

What solvents are most commen in the synthesis of gringer reagents

A

Ethers

THF

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3
Q

What compounds react with gringer reagents to creat alcohols

A

Carbonyls and epoxides

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4
Q

Gringer reagents do what with esters that they do not do with Carbonyls

A

React twice / removing the group attached to the oxygen

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5
Q

Alcohols can react with what to creat alkoxides .

A

Na , Li, K.

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6
Q

Oxidation of primary alcohols with a strong oxidizer gives

A

Carboxilic acid

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7
Q

Oxidation of a primary alcohol with pyridinuim chlorochromate (pcc) gives

A

Aldehyde

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8
Q

Sodium dichromate ( Na Cr2 O7 ) does what to primary and secondary alcohols

A

Primary - carboxilic acids

Secondary - Keytones

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9
Q

NaCr2O7 and H2SO4 combine with a secondary alcohol to creat

A

A keytone

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10
Q

The combination of sulfuric acid and sodium dichromate create

A

Chromic acid

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11
Q

Chromic acid combined with an alcohol create

A

Chromate ester

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12
Q

Chromate ester degrades to create

A

A keytone , aldehyde, or carboxilic acid

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13
Q

pyridinuim chlorochromate is soluble in

A

Non polar organic compounds. Like. Dichloro methane

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14
Q

A primary alcohol will combine with what two compounds to create an aldehyde

A

Pyridinuim chlorochromate (PCC) and Dichloromethane

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15
Q

What to tertiary alcohols oxidize to create

A

Tertiary alcohols do not oxidize

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16
Q

What test is preformed to determine if a compound is oxidizable ?

A

Chromic acid test

17
Q

What color does the chromic acid test change if something has been oxidized

A

Changes from orange to green/blue

18
Q

Alcohols are what type of nucleophile ( weak or strong)

A

Weak

19
Q

What must an alcohol be turned into for it to become a strong nucleophile

A

Alkoxide

20
Q

Alcohols combine with tosyl acid to create a

A

Tosylate ester

21
Q

For an alcohol and a Tosylate chloride to become a Tosylate ester, what must be present

A

Base .. Pyridine

22
Q

Tosylate esters and strong nucleophiles react via what reaction type

A

Sn2

23
Q

A Tosylate ester reacting with a hydride ( LiAlH4 ) is also considered

A

Reduction

24
Q

The simplest way to reduce an alcohol is through

A

Acid catalyzed dehydration at high heat

25
Q

Alcohols react with hydrohalic acid to creat

A

Alkyl halides

26
Q

Hydrohalic acids react with What type of alcohol via Sn1 reaction

A

Secondary, tertiary

27
Q

Hydrohalic acids react with what type of alcohol via Sn2 reaction

A

Primary

28
Q

What catylist acts as a test to determine alcohol type

A

ZnCl2

29
Q

The Lucas test uses ZnCl2 in combination HCl to determine

A

The type of alcohol

30
Q

Phosphorus halides react with alcohols to creat excellent yields of

A

Alkylhalides

31
Q

What halide must be mixed with phosphorus in a reaction mixture to creat it’s Alkylhalide

A

Iodine

32
Q

Biomolecular condensation reactions consit of

A

An alcohol reacting with sulfuric acid at 140 degrees C

33
Q

Diols react with acid at 100 degrees C to create

A

Keytones from pinacol rearrangement

34
Q

Ozonolysis and what other reagent cleave double bonds

A

Periodic acid

35
Q

Fischer estrification bombings what two reagents to form esters

A

Alcohols and Carboxilic acids

36
Q

Tosylate acid and alcohol combine to create

A

Tosylate ester

37
Q

What inorganic acids combine with alcohol to create esters

A

Sulfuric, nitric, phosphoric, chromic

38
Q

Williamson ether synthesis transformers alcohols to what

A

Alkoxides

39
Q

Alkoxides and Alkylhalides react via what type of reaction to creat a Williamson ether

A

Sn2