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SYNTHESIS AND METHYLATION OF SOME DERIVATIVES OF 2,3-TETRAMETHYLENE-3,4-DIHYDROQUINAZOLIN-4-ONE AND –THIONE

Nasrullaev Azizbek OzodovichSamarkand State UniversityDavlat TukhtaevSamiev Rajab AkbarovichSamarkand State UniversityKodirov Khakim IskandarzodaUzbek-Finnish Pedagogical InstituteИ. Ф. КаримовZohidov Kasim AkilovichSamarkand State UniversitySaitkulov Foziljon ErgashevichTashkent State Agrarian University
2024en
ABI

Annotatsiya

Formylation reactions of 2,3-tetramethylene-3,4-dihydroquinazolin-4-one (thione) with Vilsmeier-Haack reagent were carried out. It was found that 2,3-tetramethylene-3,4-dihydroquinazolin-4-one yields α-formyl-2,3-tetramethylene-3,4-dihydroquinazolin-4-one, and 2,3-

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