نتایج جستجو برای: 4 dihydropyrimidine
تعداد نتایج: 1304168 فیلتر نتایج به سال:
We report herein the synthesis of new derivatives dihydropyrimidine on basis 2,4,6-trimetoxybenzaldehyde, which was further regioselectively oxidized in presence cerium ammonium nitrate (CAN) with formation 5-acetyl-6-methyl-4-(2,4,6-trimethoxyphenyl)pyrimidin-2(1H)-one. The structures both novel compounds were investigated by NMR, mass spectroscopy methods. structure compound 4 also X-ray sing...
Eight novel dihydropyrimidine analogs named DHPM1-DHPM8 was synthesized in their hydrochloride salt form using one pot synthesis between methyl 2-chloro-4-(4-chlorophenyl)-6-methyl-1,4-dihydropyrimidine-5-carboxylate and substituted arylamines in isopropanol. The antimosquito effect of the test compounds were assessed against the adult mosquito Anopheles arabiensis. For adulticidal properties t...
Dihydropyrimidine dehydrogenase deficiency is diagnosed more frequently and is now generally accepted as a potentially life-threatening condition. It predisposes patients receiving treatment with fluoropyrimidines such as 5-fluorouracil (5-FU) to severe and, in case of complete dihydropyrimidine dehydrogenase deficiency, often fatal toxicity. A patient who had severe side effects following stan...
inflammatory leukoencephalopathy and dihydropyrimidine dehydrogenase deficiency Article abstract—Multifocal inflammatory leukoencephalopathy (MIL) is a cerebral demyelinating syndrome that develops after chemotherapy with 5-fluorouracil (5-FU) and levamisole. The authors report a patient who developed MIL after 5-FU administration not in association with levamisole. She was subsequently diagnos...
A facile and convenient synthesis of bis(2-(1H-benzo[d]imidazol-2(3H)-ylidene)-3-oxopropanenitrile), bis((3-amino-5-(methylthio)-1H-pyrazol-4-yl)methanone) and bis(2-thioxo-1,2-dihydropyrimidine-5-carbonitrile) derivatives incorporating a thieno- [2,3-b]thiophene moiety via versatile, readily accessible diethyl 3,4-dimethylthieno-[2,3-b]thiophene-2,5-dicarboxylate is described.
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