Oxidative cyclocondensation of cyclic thio-and selenoureas. 5. 2-Thioxothieno-and 2-thioxopyrido[2,3-d]pyrimidin-4-ones View Full Text


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Article Info

DATE

2007-09

AUTHORS

N. I. Mukarramov, B. A. Urakov, Kh. M. Shakhidoyatov

ABSTRACT

A study was carried out on the oxidative cyclocondensation of 2-thioxothieno-and 2-thioxopyrido[2,3-d]pyrimidin-4-ones. The thiophene ring with excess π-electron density facilitates the reaction, while the pyridine ring with diminished π-electron density hinders it. 2-Thioxothieno-[2,3-d]pyridimin-4-ones were converted into previously unreported 7H,13H-[1,2,4]thiadiazolo-[3,2-b:5,4-b′]bis(thieno[2,3-d]pyridimine-7,13-diones).

PAGES

1210-1213

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10593-007-0185-8

DOI

http://dx.doi.org/10.1007/s10593-007-0185-8

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1022859535


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