HYDROXYINDOLE-O-METHYLTRANSFERASE .3. INFLUENCE OF PHENYL MOIETY ON INHIBITORY ACTIVITIES OF SOME N-ACYLTRYPTAMINES

被引:17
作者
HO, BT
MCISAAC, WM
TANSEY, LW
机构
[1] Biological Research Division, Texas Research Institute of Mental Sciences, Houston, Texas
关键词
Hydroxyindole‐O‐methyltransferase inhibition—N‐acyltryptamines; IR spectrophotometry—identity; structure; N‐Acyltryptamines—synthesis; Structureactivity relationship—N‐acyltryptamines; UV spectrophotometry—identity;
D O I
10.1002/jps.2600580508
中图分类号
R914 [药物化学];
学科分类号
100701 [药物化学];
摘要
During previous studies on the inhibition of hydroxyindole‐O‐methyltransferase, several N‐acyltryptamines have been found to be good inhibitors of this enzyme. Substitution of the benzyl or phenyl moiety of N‐phenylacetyltryptamine or N‐benzoyltryptamine with halogen atoms further enhanced the inhibitory activity. Among all the halogen‐substituted inhibitors, the 3,4‐dichloro substitution offered the highest activity. An increase in inhibition of the enzyme was also observed when a fluorine or bromine atom was placed on C‐5 position of the indole nucleus. A combination of the 5‐bromo and 3,4‐dichlorobenzoyl substitutions resulted in the most active inhibitor. Copyright © 1969 Wiley‐Liss, Inc., A Wiley Company
引用
收藏
页码:563 / &
相关论文
共 8 条
[1]
AXELROD J, 1961, J BIOL CHEM, V236, P211
[3]
HYDROXYINDOLE-O-METHYLTRANSFERASE .I. SUBSTRATE BINDING [J].
HO, BT ;
MCISAAC, WM ;
TANSEY, LW .
JOURNAL OF PHARMACEUTICAL SCIENCES, 1969, 58 (01) :130-&
[4]
HYDROXYINDOLE-O-METHYLTRANSFERASE .2. INHIBITORY ACTIVITIES OF SOME N-ACYLTRYPTAMINES [J].
HO, BT ;
MCISSAAC, WM ;
TANSEY, LW ;
KRALIK, PM .
JOURNAL OF PHARMACEUTICAL SCIENCES, 1968, 57 (11) :1998-&
[5]
POTENTIAL RESERPINE ANALOGUES .1. DERIVATIVES OF TRYPTAMINE [J].
KARIM, MA ;
LINNELL, WH ;
SHARP, LK .
JOURNAL OF PHARMACY AND PHARMACOLOGY, 1960, 12 (02) :74-81
[6]
SYNTHETISCHE VERSUCHE IN DER GRUPPE HYPOTENSIV WIRKSAMER ALKALOIDE .25. EINIGE 3-(2-BENZYLAMINOATHYL)INDOLE UND 3-[2-(-PHENOXYATHYLAMINO)ATHYL]INDOLE [J].
PROTIVA, M ;
RAJSNER, M ;
VEJDELEK, ZJ .
COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, 1963, 28 (03) :629-&
[7]
QUADBECK G, 1954, Z PHYSIOL CHEM, V297, P229
[8]
TISLOW R, 1949, FED PROC, V8, P338