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Synthesis and antiproliferative activity of new hybrids bearing neocryptolepine, acridine and α-aminophosphonate scaffolds
Synthesis of novel α-aminophosphonate hybrids 8a–f was accomplished by the reaction of 11-phenoxy-4-formylneocryptolepine 3 , aminoalkylamino acridines 6a–f and diphenyl phosphite 7 in the presence of lithium perchlorate as Lewis acid catalyst in methanol. The starting aldehyde 3 was obtained by rea...
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Published in: | Journal of the Iranian Chemical Society 2020-05, Vol.17 (5), p.1211-1221 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Synthesis of novel α-aminophosphonate hybrids
8a–f
was accomplished by the reaction of 11-phenoxy-4-formylneocryptolepine
3
, aminoalkylamino acridines
6a–f
and diphenyl phosphite
7
in the presence of lithium perchlorate as Lewis acid catalyst in methanol. The starting aldehyde
3
was obtained by reaction of 11-chloroneocryptolpine
1
with 4-hydroxybenzaldehyde
2
in the presence of potassium carbonate in DMF, whereas 9-aminoalkylamino acridines
6a–f
were synthesized by reaction of 9-chloroacridine
4
with appropriate diamines
5a–f
. The structure of all synthesized hybrids was confirmed by spectroscopic methods and showed spectra in consistence with the expected structures. The antiproliferative activity of all synthesized hybrids was evaluated against HCT-116, MCF-7, HepG2 and A549 human cancer cell lines. The screened results proved that most of the reported compounds are potent, especially hybrid
8a
, which displayed the highest activity against MCF-7, HepG2 and A549 cancer cell lines with IC
50
8.2, 23.1 and 19.4 µM, respectively. This activity is significantly higher than the standard drug doxorubicin. Moreover, hybrid
8f
showed most potent activity against HCT-116 cancer cell line with IC
50
2.4 µM higher than the reference drug doxorubicin (IC
50
:10.90 µM). |
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ISSN: | 1735-207X 1735-2428 |
DOI: | 10.1007/s13738-019-01849-2 |