The reaction of ethyl 2-oxo-3-(4-oxo-4Н-chromen-2-yl)propanoates with S-methylisothiosemicarbazide hydroiodide

doi:10.1007/s10593-018-2334-7

Paper

The reaction of ethyl 2-oxo-3-(4-oxo-4Н-chromen-2-yl)propanoates with S-methylisothiosemicarbazide hydroiodide

Published Jul 1, 2018 · Daria A. Vetyugova, Natal’ya S. Nashtatik, A. Safrygin

Chemistry of Heterocyclic Compounds

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2

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Abstract

Ethyl 2-oxo-3-(4-oxo-4Н-chromen-2-yl)propanoates reacted with S-methylisothiosemicarbazide hydroiodide at the ethoxalyl group, forming 3-methylsulfanyl-6-[(4-oxo-4Н-chromen-2-yl)methyl]-1,2,4-triazin-5(2H)-ones upon refluxing in pyridine (40–50% yields) or 6-[(4-oxo-4Н-chromen-2-yl)methyl]-1,2,4-triazine-3,5(2Н,4Н)-diones when refluxed in ethanol (37–74% yields).

Study Snapshot

Ethyl 2-oxo-3-(4-oxo-4-chromen-2-yl)propanoates react with S-methylisothiosemicarbazide hydroiodide to form 3-methylsulfanyl-6-[(4-oxo-4

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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The reaction of ethyl 2-oxo-3-(4-oxo-4Н-chromen-2-yl)propanoates with S-methylisothiosemicarbazide hydroiodide

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