Zobrazeno 1 - 10
of 525
pro vyhledávání: '"Igor' A. Ushakov"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 18, Iss 1, Pp 420-428 (2022)
The reaction of bromopropargylic alcohols with phenols in the presence of Cs2CO3/DMF affords α-phenoxy-α’-hydroxyketones (1:1 adducts) and α,α-diphenoxyketones (1:2 adducts) in up to 92% and 24% yields, respectively. Both products are formed vi
Externí odkaz:
https://doaj.org/article/bd20215993484bf3b98e0befa9eab494
Autor:
Olesya A. Shemyakina, Anastasiya G. Mal’kina, Valentina V. Nosyreva, Igor’ A. Ushakov, Boris A. Trofimov
Publikováno v:
ARKIVOC, Vol 2012, Iss 8, Pp 319-325 (2012)
Externí odkaz:
https://doaj.org/article/4394672685cc4d6baa219cc966c30be2
Autor:
Lyubov’ N. Sobenina, Vladislav N. Drichkov, Al’bina I. Mikhaleva, Ol’ga V. Petrova, Igor’ A. Ushakov, Boris A. Trofimov
Publikováno v:
ARKIVOC, Vol 2005, Iss 7, Pp 28-35 (2005)
Externí odkaz:
https://doaj.org/article/2d70a0e936994f3487c15aa23015dbfb
Autor:
Boris A. Trofimov, Lubov’ N. Sobenina, Andrey P. Demenev, Al’bina I. Mikhaleva, Igor’ A. Ushakov, Ol’ga A. Tarasova, Vladimir I. Smirnov, Konstantin B. Petrushenko, Alexander I. Vokin, Natal’ya M. Murzina, Galina F. Myachina
Publikováno v:
ARKIVOC, Vol 2001, Iss 9, Pp 37-48 (2001)
Externí odkaz:
https://doaj.org/article/e1ef1077779142c987f2dbc0afd950ba
Publikováno v:
Molecules, Vol 29, Iss 4, p 885 (2024)
An efficient method for the synthesis of pharmaceutically prospective but still rare functionalized 2,3′-bipyrroles (in up to 80% yield) by the cycloaddition of easily available acylethynylpyrroles with tosylmethylisocyanide (TosMIC) has been devel
Externí odkaz:
https://doaj.org/article/e5b36cd8785a41a6adde3fb199d15bb8
Autor:
Elena F. Sagitova, Olga V. Petrova, Denis N. Tomilin, Igor A. Ushakov, Lyubov N. Sobenina, Boris A. Trofimov
Publikováno v:
Molbank, Vol 2023, Iss 1, p M1595 (2023)
The title compound, 4,4-difluoro-3-(3-phenylisoxazol-5-yl)-8-trifluoromethyl-5-(2-naphthalen-2-yl)-4-bora-3a,4a-diaza-s-indacene (1), was synthesized for the first time in a 62% yield by the P2O5-promoted condensation of 2,2,2-trifluoro-1-[5-(naphtha
Externí odkaz:
https://doaj.org/article/788516dccc55481bb9701c2946f8929f
Autor:
Olga V. Petrova, Igor A. Ushakov, Lyubov N. Sobenina, Victoriya V. Kireeva, Boris A. Trofimov
Publikováno v:
Molbank, Vol 2023, Iss 1, p M1547 (2023)
The title compound, 4-amino-5-benzoyl-1-benzyl-2-(4,5,6,7-tetrahydro-1H-indol-2-yl)- 1H-pyrrole-3-carbonitrile, was synthesized for the first time in a 40% yield by the reaction of N-benzyl-3-imino-5,6,7,8-tetrahydro-3H-pyrrolo[1,2-a]indol-1-amine an
Externí odkaz:
https://doaj.org/article/ae42944492364ec285260dd10e878e26
Autor:
Dmitry S. Suslov, Mikhail V. Bykov, Marina V. Pakhomova, Timur S. Orlov, Zorikto D. Abramov, Anastasia V. Suchkova, Igor A. Ushakov, Pavel A. Abramov, Alexander S. Novikov
Publikováno v:
Molecules, Vol 28, Iss 10, p 4141 (2023)
The Pd(II) complexes [Pd(Cp)(L)n]m[BF4]m were synthesized via the reaction of cationic acetylacetonate complexes with cyclopentadiene in the presence of BF3∙OEt2 (n = 2, m = 1: L = PPh3 (1), P(p-Tol)3, tris(ortho-methoxyphenyl)phosphine (TOMPP), tr
Externí odkaz:
https://doaj.org/article/f1de1ad2b1bd4e34bcdfd94085fafcc7
Autor:
Dmitrii A. Shabalin, Evgeniya E. Ivanova, Igor A. Ushakov, Elena Yu. Schmidt, Boris A. Trofimov
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 319-324 (2021)
Expedient protocols for the synthesis of three types of highly functionalized azaheterocyclic scaffolds (dihydropyridazines, tetrahydropyridazines, and partially saturated tricyclic systems) from readily available hydroxypyrrolines and hydrazides are
Externí odkaz:
https://doaj.org/article/72e3e57915d841e68f09bb3db32ffd64
Autor:
Denis N. Tomilin, Lyubov N. Sobenina, Alexandra M. Belogolova, Alexander B. Trofimov, Igor A. Ushakov, Boris A. Trofimov
Publikováno v:
Molecules, Vol 28, Iss 3, p 1389 (2023)
It has been found that the addition of CH2CN− anion to the carbonyl group of acylethynylpyrroles, generated from acetonitrile and t-BuOK, results in the formation of acetylenic alcohols, which undergo unexpectedly easy (room temperature) decomposit
Externí odkaz:
https://doaj.org/article/63d4c51d6a994ee8b8debd464ace156f