Ten (E)-and (Z)-isomers of 2-phenylcyclopropylamine (PCA), 1-Me PCA, 2-Me-PCA, N-Me-PCA, and N, N-diMe PCA and fifteen o-. m-, p- isomers of (E) PCA with substituents of Me, Cl, F, OMe, OH were synthesized in this laboratory and tested for t...
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https://www.riss.kr/link?id=A102306302
1990
English
SCIE,SCOPUS,KCI등재
학술저널
82-96(15쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Ten (E)-and (Z)-isomers of 2-phenylcyclopropylamine (PCA), 1-Me PCA, 2-Me-PCA, N-Me-PCA, and N, N-diMe PCA and fifteen o-. m-, p- isomers of (E) PCA with substituents of Me, Cl, F, OMe, OH were synthesized in this laboratory and tested for t...
Ten (E)-and (Z)-isomers of 2-phenylcyclopropylamine (PCA), 1-Me PCA, 2-Me-PCA, N-Me-PCA, and N, N-diMe PCA and fifteen o-. m-, p- isomers of (E) PCA with substituents of Me, Cl, F, OMe, OH were synthesized in this laboratory and tested for the inhibition of rat brain mitochondrial MAO-A and MAO-B. The effects of substituents, their positions, and stereochemistry on the inhibition were assessed for the compounds with substituents at cyclopropyl and amino groups and QSAR analyses were performed using the potency data of ring-substituted compounds. The best correlated QSAR equations are as follows : pI$_{50}$ = 0.804 $\pi^2$-0.834 Blo-1.069 Blm + 0.334 Lp-1.709 HDp +7.897 (r = 0.945, s =0.211, F = 16.691, p = 0.000) for the inhibition of MAO-A;PI$_{50}$= 1.815$\pi$-0.825 $\pi^2$-1.203R + 0.900 Es$^2$ + 0.869 Es$^3$ + 0.796 Es$^4$-0.992 HDp + 0.562 HAo + 3.893 (r = 0.982, s =0.178, F = 23.351, p = 0.000) for the inhibition of MAO-B. Based on the potency difference between stereoisomers of cyclopropylamine-modified compounds and an QSAR cavity near para position, two hydrophobic carities interacting with Me group, a hydrophobic site near para position, and an amino group binding site and that in addition to the same two hydrophotic cavities, hydrophotic area, steric boundaries, hydrogen-acceptor site, and amino group binding site, another steric boundary near para position and a hydrogen donating site near ortho position constitute active sites of MAO-B.
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