2.8 Flashcards

1
Q

What reaction is important with the benzodiazepines?

A

Oxidation at Carbons alpha to Carbonyls and Imines

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2
Q

Where do aliphatic oxidation’s take place?

A

On the terminal methyl (omega) or omega-1 (methyl before terminal methyl)

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3
Q

In aliphatic oxydation (hydroxylation) which reaction is preferred?

A

omega-1 reaction

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4
Q

Where does Oxidative N-dealkylation take place?

A

C-N system

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5
Q

N-dealkylations take place on:

A

Aliphatic Amines Alicyclic Amines Substituted amines

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6
Q

Speed of Oxidative N-dealkylations?

A

Generally fast

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7
Q

What happens to oxidation at a carbon alpha to the N?

A

Gives an unstable carbinolamine

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8
Q

Dealkylation rates

A

3 > 2 > 1 >

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9
Q

Which aliphatic groups are dealkylated?

A

Aliphatic groups with H atoms alpha to the N

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10
Q

What do Oxidative O-dealkylations occur on?

A

Ethers

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11
Q

What do Oxidative S-dealkylations occur on?

A

Thioethers

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12
Q

What enzymes are used in Oxidative Deamination?

A

MFO, MAO, and Diamine oxidase

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13
Q

What is MAO?

A

Flavin containing enzyme located on the other membrane of mitochondria

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14
Q

What does Oxidative Deamination occur on?

A

Only aliphatic amines

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15
Q

What is the enzyme for the Oxidation of 1’ and 2’ alcohols?

A

Alcohol dehydrogenase

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16
Q

What is the coenzyme of the Oxidation of 1’ and 2’ alcohols?

A

NAD+

17
Q

3 enzymes involved in the oxidation of aldehydes?

A

NAD+ specific aldehyde dehydrogenase xanthine oxidase aldehyde oxidase and others

18
Q

Enzymes involved in Amine Oxidations?

A

MFO and NADPH-flavin dependent monooxygenases

19
Q

Coenzyme for Reductions

A

NADPH

20
Q

What is the result of a reduction of an aldehyde or ketone?

A

1’ or 2’ alcohols

21
Q

What groups does nitroreduction involve?

A

Both aliphatic and aromatic nitrogen groups

22
Q

3 Mammalian nitroreductase enzymes

A

aldehyde oxidase

xanthine oxidase

DT diaphorase

23
Q

What is an azoreduction?

A

Reducion between R-N=N-R’ –>R-NH2 + R”-NH2

24
Q

What does the hydrolysis of Carbamates yeild?

A

An amine, an alcohol, and a carbon dioxide

25
Q

What enzyme is involved in the hydrolysis of epoxides?

A

Epoxide hydrase

26
Q

Epoxide stereochemistry

A

-cis

27
Q
A