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Browsing by Author "Nemtarev A.V."

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2,2,2-Trichloro-4-methoxy-1,3,2-benzodioxaphosphole in the reactions with terminal acetylenes

Nemtarev A.V.; Nasibullin I.O.; Fayzullin R.R.; Grigor'eva L.R.; Mironov V.F. (2020)

© 2020 2,2,2-Trichloro-4-methoxy-1,3,2-benzodioxaphosphole reacts with arylacetylenes or 3-chloropropyne to give 2,7-dichloro-5-methoxy-4-aryl(haloalkyl)-1,2-benzoxaphosphinine 2-oxides. Hydrolysis of the latter leads to ...
3,28-Diacetoxylup-20(29)-ene-30-oic Acid and Its ω-Bromoalkyl Esters

Ponomaryov D.V.; Grigorʼeva L.R.; Nemtarev A.V.; Tsepaeva O.V.; Mironov V.F.; Gnezdilov O.I.; Antipin I.S. (2020)

© 2020, Pleiades Publishing, Ltd. Abstract: A convenient procedure has been developed for the synthesis of3β,28-diacetoxylup-20(29)-en-30-oic acid via oxidation of 3β,28-di-O-acetylbetulin with selenium dioxide in ...
Cell-Modulating Effect of Poly(Aspartic Acid) and Its Complex with Cationic Polyaspartamide

Pavlyuk A.M.; Kamalov M.I.; Nemtarev A.V.; Abdullin T.I.; Salakhieva D.V. (2020)

© 2020, Springer Science+Business Media, LLC, part of Springer Nature. In this communication, poly(aspartic acid) (pAsp), its fluorescently labeled conjugate with lucifer yellow ethylenediamine (pAsp–LY), and 2,2-dimethy ...
Rational design 2-hydroxypropylphosphonium salts as cancer cell mitochondria-targeted vectors: Synthesis, structure, and biological properties

Mironov V.F.; Nemtarev A.V.; Tsepaeva O.V.; Dimukhametov M.N.; Litvinov I.A.; Voloshina A.D.; Pashirova T.N.; Titov E.A.; Lyubina A.P.; Amerhanova S.K.; Gubaidullin A.T.; Islamov D.R. (2021)

It has been shown for a wide range of epoxy compounds that their interaction with triphenylphosphonium triflate occurs with a high chemoselectivity and leads to the formation of (2-hydroxypropyl)triphenylphosphonium triflates ...
Reaction of R-pulegone with P–H phosphonium salts

Shemakhina M.E.; Nemtarev A.V.; Fayzullin R.R.; Khasiyatullina N.R.; Grigor'eva L.R.; Mironov V.F. (2020)

© 2020 The reaction of the R-pulegone with P–H-phosphonium salts gives the corresponding 8-phosphonio-p-menthan-3-one salts with high regio- and stereoselectivity. The structure of salts was determined by NMR and IR ...
Synthesis and in vitro evaluation of triphenylphosphonium derivatives of acetylsalicylic and salicylic acids: structure-dependent interactions with cancer cells, bacteria, and mitochondria

Tsepaeva O.V.; Salikhova T.I.; Grigor’eva L.R.; Ponomaryov D.V.; Dang T.; Ishkaeva R.A.; Abdullin T.I.; Nemtarev A.V.; Mironov V.F. (2021)

Salicylic acid (SA) remains one of the most fruitful natural compounds to generate drug molecules with versatile activities. In this study, effective synthesis of SA and acetylsalicylic acid (ASA) derivatives with a carrier ...
Synthesis of C(28)-linker derivatives of betulinic acid bearing phosphonate group

Tsepaeva O.V.; Nemtarev A.V.; Grigor’eva L.R.; Mironov V.F. (2021)

A convenient method for the synthesis of C(28)-linker derivatives of triterpenoids containing a phosphonate group is presented. The method is based on the reaction of triterpenic acids (using betulinic acid as an example) ...
Synthesis of C-29-phosphonium derivatives of 3,28-diacetoxylup-20(29)-en-30-oic acid

Ponomaryov D.V.; Grigor´eva L.R.; Nemtarev A.V.; Tsepaeva O.V.; Mironov V.F.; Antipin I.S. (2020)

© 2020, Springer Science+Business Media LLC. 3β,28-Diacetoxylup-20(29)-en-30-oic acid (obtained via oxidation of betulin diacetate) enters the addition reaction with P—H-phosphonium salts (triarylphosphonium trifluoroacetates) ...
Synthesis of novel mannopyranosyl betulinic acid phosphoniohexyl ester

Tsepaeva O.V.; Nemtarev A.V.; Kundina A.V.; Grigor'eva L.R.; Mironov V.F. (2021)

A general approach to lupane monodesmosides containing a C-28 phosphonioalkyl group is based on the initial glycosylation of triterpene acid ω-haloalkyl esters at the C-3 position. The subsequent phosphorylation with ...
Synthesis, anticancer, and antibacterial activity of betulinic and betulonic acid C-28-triphenylphosphonium conjugates with variable alkyl linker length

Tsepaeva O.V.; Nemtarev A.V.; Salikhova T.I.; Abdullin T.I.; Grigor’eva L.R.; Khozyainova S.A.; Mironov V.F. (2020)

© 2020 Bentham Science Publishers. Background: Conjugation of triterpenoids such as betulinic acid 1 with the Triphenylphosphonium (TPP) group is a powerful approach to generating medicinal compounds. Their development ...

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Browsing by Author "Nemtarev A.V."

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