Title:Synthesis and Anticancer Activity of Novel Chromene Derivatives,
Chromeno[2,3-d][1,3]Oxazines, and Chromeno[2,3-d]Pyrimidines
Volume: 19
Issue: 6
Author(s): Mahmoud N.M. Yousif*, Usama Fathy and Nabil M. Yousif
Affiliation:
- Photochemistry Department, Chemical Industries Research Institute, National Research Centre, Cairo, Egypt
Keywords:
Anticancer activity, chromene, chromeno[2, 3-d][1, 3]oxazines, 3-d]pyrimidines, oxazines, synthesis.
Abstract:
Background: Several chromene derivatives have a wide variety of biological and pharmacological
activity. They had anticancer activity, antimicrobial activity, antituberculosis activity, anticonvulsant
activity, antidiabetic activity, antichlolinesterase activity, and inhibitor of monoamine
oxidase activity. The above-mentioned activities directed us to synthesize novel chromene derivatives,
chromeno[2,3-d][1,3]oxazines, and chromeno[2,3-d]pyrimidines. The starting material was 2-
amino-8-(2-chlorobenzylidene)-4-(2-chlorophenyl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile.
Methods: Several novel chromene derivatives had been synthesized. Compound 1 reacted with carbon
disulfide, and ethyl chloroformate to afford chromene derivatives 2, 3. Chromene derivative 3
reacted with hydrazine dydrate to give compound 4. Chromene derivative 1 reacted with acetic acid
and sulphuric acid to produce compounds 5, and 6. Amino derivative 5 reacted with chloroacyl derivative
to afford compounds 7a-c which cycalized in dry xylene to afford compounds 8a-c.
Chromene derivative 8a reacted with hydroxyl amine to afford compound 9.
Results: The structures of novel synthesized chromene derivatives had been confirmed using mass
spectroscopy, infrared spectroscopy, nuclear magnetic resonance spectroscopy, and elemental analysis.
Most of the prepared compounds were screened against liver cancer cell lines (HepG-2), human
colon cancer cell lines (HT-29), and breast adenocarcinoma cell lines (MCF-7). Chromene derivative
2 had anticancer activity against human colon cancer cell lines (HT-29) higher than the reference
drug doxorubicin. The rest of the tested compounds had anticancer activity against human colon
cancer cell lines (HT-29) lower than that of the reference drug doxorubicin. Chromene derivative 5
had anticancer activity against liver cancer cell lines (HepG-2) higher than the reference drug doxorubicin.
Conclusion: Several chromene derivatives had been synthesized and their structures had been confirmed
using different spectroscopic techniques. Some of the chromene derivatives that were
screened against different cancer cell lines showed promising anticancer activity higher than the reference
standard drug. For example, chromene derivative 2 had anticancer activity against human
colon cancer cell lines (HT-29) higher than the reference drug doxorubicin. Chromene derivative 5
had anticancer activity against liver cancer cell lines (HepG-2) higher than the reference drug doxorubicin.
Chromene derivative 6 had anticancer activity against breast adenocarcinoma cell lines
(MCF-7) higher than the standard drug.