Výsledky vyhledávání - "F. R. Utaeva"

Synthesis and structure of 6-bromo-4-hydroxy-2,3-tetramethylene-3,4-dihydroquinazoline and its mixed crystal with 4-hydroxy-2,3-tetramethylene-3,4-dihydroquinazoline

Autor: N. I. Mukarramov, B. Tashkhodzhaev, F. R. Utaeva, R. Ya. Okmanov, Z. M. Khakimova, Kh. M. Shakhidoyatov, Kambarali K. Turgunov

Publikováno v: Chemistry of Natural Compounds. 45:854-858

Bromination of the alkaloid 2,3-tetramethylene-3,4-dihydroquinazoline by N-bromosuccinimide was studied. It was shown that either 4-hydroxy-2,3-tetramethylene-3,4-dihydroquinazoline or 6-bromo-4-hydroxy-2,3tetramethylene-3,4-dihydroquinazoline was fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88c6765ee93ab3d4e7dc23dc86c33663
https://doi.org/10.1007/s10600-010-9491-y

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Direction of bromination and nitration of deoxypeganine and its hydrochloride using HPTLC. Synthesis of 6-bromo(nitro)-, 6,8-dinitrodeoxyvasicinones, 6-nitro(bromo)-, 6,8-dinitrodeoxypeganines, and 6H(bromo)peganols

Autor: Kh. M. Shakhidoyatov, F. R. Utaeva, N. I. Mukarramov

Publikováno v: Chemistry of Natural Compounds. 44:625-629

The reaction of deoxypeganine (DOP) (1) and its hydrochloride (DOP·HCl) (2) with N-bromosuccinimide and a nitrating mixture was studied. It was found that bromination of DOP occurred at C-4 and the aromatic ring. Nitration of DOP·HCl produced eithe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::390ec44a41aaa74269afdb1b9c4bef8f
https://doi.org/10.1007/s10600-008-9128-6

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