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DƯỢC LÍ Goodman & Gilman's The Pharmacological Basis of Therapeutics 12th, 2010

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Table 25–9

Vasopressin Receptor Antagonists

I. PEPTIDE ANTAGONISTS

O

H 2 C

CH 2 CH 2 CH2

C X Phe Y Asn Cys Pro Arg Z

1

C

2 3 4 5 6 7 8 9

CH 2 CH2

S S

A. V 1

-selective antagonists X Y Z

V 1a

-selective antagonist Tyr—OMe Gln Gly (NH 2

)

d(CH 2

) 5

[Tyr(Me) 2 ]AVP

V 1b

-selective antagonist Tyr—OMe Gln Gly (NH 2

)

dP [Tyr(Me) 2 ]AVP a,b

B. V 2

-selective antagonists a

1. des Gly-NH 29

-d(CH 2

) 5

[D-Ile 2 , Ile 4 ]AVP D-Ile Ile —

2. d(CH 2

) 5

[D-Ile 2 , Ile 4 , Ala-NH 29

]AVP D-Ile Ile Ala (NH 2

)

II. NONPEPTIDE ANTAGONISTS

A. V 1a

-selective antagonists

OPC-21268

SR 49059 (relcovaptan)

N

O

Cl

N

H

CON

N

SO 2

H

CONH 2

O

B. V 1b

-selective antagonists

O(CH 2) 3NHCOCH 3

SSR 149415

OH

O

CH 3O OCH 3

Cl

N

S

O

N

N

O O

O O

C. V 2

-selective antagonists

SR 121463A

H

OCH 2CH 2N

O

O

VPA-985 (lixivaptan)

N

CH 3CH 2O

N

O

SO 2

OCH 3

C

N

O

CH 3

Cl

N

H

CONH

F

(Continued)

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