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B A Trofimov - One of the best experts on this subject based on the ideXlab platform.
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transition metal free regioselective access to 9 10 dihydroanthracenes via the reaction of anthracenes with Elemental Phosphorus in the koh dmso system
Tetrahedron Letters, 2018Co-Authors: Vladimir A. Kuimov, S F Malysheva, N. K. Gusarova, B A TrofimovAbstract:Abstract Anthracene and its 9- or 9,10-substituted (Me, Ph, Cl, Br) derivatives react with red Phosphorus (Pn) in the KOH/DMSO superbase system at 85–120 °C to afford 9,10-dihydroanthracenes in good to excellent yields, thus providing simple and clean access to these extensively used dihydroaromatics.
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pcl3 and organometallic free synthesis of tris 2 picolyl phosphine oxide from Elemental Phosphorus and 2 chloromethyl pyridine hydrochloride
Tetrahedron Letters, 2018Co-Authors: S F Malysheva, N A Belogorlova, Nina K. Gusarova, Vladimir A. Kuimov, Yurii I Litvintsev, I V Sterkhova, Alexander I Albanov, B A TrofimovAbstract:Abstract In the superbase KOH/H2O/toluene/phase-transfer catalyst system, 2-picolyl chloride, generated in situ from 2-(chloromethyl)pyridine hydrochloride, reacts with Elemental Phosphorus at 65–95 °C for 3 h to afford tris(2-picolyl)phosphine oxide in 50% yield. Single crystal X-ray analysis of the latter revealed one polymorph form of this tertiary phosphine oxide.
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hydrophosphorylation of vinyl sulfides with Elemental Phosphorus in the koh dmso h2o system synthesis of 2 alkyl aryl thioethylphosphinic acids
Journal of Sulfur Chemistry, 2018Co-Authors: B A Trofimov, Nina K. Gusarova, S F Malysheva, Alexander V Artemev, Anastasiya O Sutyrina, L A OparinaAbstract:ABSTRACTElemental Phosphorus (red or white) reacts with alkyl and aryl vinyl sulfides in the superbase system KOH/DMSO(H2O) at 75–120°C for 2–3 h to afford 2-alkyl(aryl)thioethylphosphinic acids in a yield of up to 31%.
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One-Pot Chlorine-Free Synthesis of Chiral OrganoPhosphorus Compounds from Elemental Phosphorus and α-Methylstyrene Dimer
Doklady Chemistry, 2018Co-Authors: N. K. Gusarova, I V Sterkhova, A. O. Sutyrina, E. A. Matveeva, V. I. Smirnov, B A TrofimovAbstract:Direct phosphorylation of α-methylstyrene dimer with red Phosphorus in KOH/DMSO superbasic system has provided the preparation of 4-methyl-2,4-diphenylpentylphosphonous acid (heating at 105°C for 3 h) or tris(4-methyl-2,4-diphenylpentyl)phosphine oxide (microwave irradiation, 15 min) in 21 and 38% yield, respectively.
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a shortcut to tris 2 4 hydroxyphenyl ethyl phosphine oxide and 2 4 hydroxyphenyl ethylphosphinic acid via reaction of Elemental Phosphorus with 4 tert butoxystyrene
Mendeleev Communications, 2014Co-Authors: Alexander V Artemev, Nina K. Gusarova, S F Malysheva, Anastasiya O Korocheva, Yuriy V Gatilov, B A TrofimovAbstract:Red Phosphorus reacts with 4-tert-butoxystyrene in KOH/DMSO system to afford (depending on the reaction conditions) tris(4-tert-but- oxyphenylethyl)phosphine oxide (48% yield) and/or 4-tert-butoxyphenylethylphosphinic acid (30% yield). The treatment of these products with aqueous HCl (45 °C, 5 min) quantitatively delivers tris[2-(4-hydroxyphenyl)ethyl]phosphine oxide and 2-(4-hydroxyphenyl)ethyl-phosphinic acid.
S F Malysheva - One of the best experts on this subject based on the ideXlab platform.
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single stage synthesis of alkyl h phosphinic acids from Elemental Phosphorus and alkyl bromides
Mendeleev Communications, 2019Co-Authors: Nina K. Gusarova, N A Belogorlova, Vladimir A. Kuimov, S F Malysheva, Anastasiya O Sutyrina, Pavel A Volkov, Boris A. TrofimovAbstract:Elemental Phosphorus (red or white) reacts with alkyl bromides at 60–62 °C in the phase-transfer catalytic system KOH/H2O/PhMe/Et3BnNCl to afford alkyl-H-phosphinic acids in up to 47% yield.
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transition metal free regioselective access to 9 10 dihydroanthracenes via the reaction of anthracenes with Elemental Phosphorus in the koh dmso system
Tetrahedron Letters, 2018Co-Authors: Vladimir A. Kuimov, S F Malysheva, N. K. Gusarova, B A TrofimovAbstract:Abstract Anthracene and its 9- or 9,10-substituted (Me, Ph, Cl, Br) derivatives react with red Phosphorus (Pn) in the KOH/DMSO superbase system at 85–120 °C to afford 9,10-dihydroanthracenes in good to excellent yields, thus providing simple and clean access to these extensively used dihydroaromatics.
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pcl3 and organometallic free synthesis of tris 2 picolyl phosphine oxide from Elemental Phosphorus and 2 chloromethyl pyridine hydrochloride
Tetrahedron Letters, 2018Co-Authors: S F Malysheva, N A Belogorlova, Nina K. Gusarova, Vladimir A. Kuimov, Yurii I Litvintsev, I V Sterkhova, Alexander I Albanov, B A TrofimovAbstract:Abstract In the superbase KOH/H2O/toluene/phase-transfer catalyst system, 2-picolyl chloride, generated in situ from 2-(chloromethyl)pyridine hydrochloride, reacts with Elemental Phosphorus at 65–95 °C for 3 h to afford tris(2-picolyl)phosphine oxide in 50% yield. Single crystal X-ray analysis of the latter revealed one polymorph form of this tertiary phosphine oxide.
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hydrophosphorylation of vinyl sulfides with Elemental Phosphorus in the koh dmso h2o system synthesis of 2 alkyl aryl thioethylphosphinic acids
Journal of Sulfur Chemistry, 2018Co-Authors: B A Trofimov, Nina K. Gusarova, S F Malysheva, Alexander V Artemev, Anastasiya O Sutyrina, L A OparinaAbstract:ABSTRACTElemental Phosphorus (red or white) reacts with alkyl and aryl vinyl sulfides in the superbase system KOH/DMSO(H2O) at 75–120°C for 2–3 h to afford 2-alkyl(aryl)thioethylphosphinic acids in a yield of up to 31%.
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reaction of Elemental Phosphorus with α methylstyrenes one pot synthesis of secondary and tertiary phosphines prospective bulky ligands for pd ii catalysts
Tetrahedron, 2016Co-Authors: Alexander V Artemev, N A Belogorlova, S F Malysheva, N. K. Gusarova, Boris G Sukhov, Anastasiya O Sutyrina, Elena A Matveeva, S F Vasilevsky, Anastasiya I GovdiAbstract:Abstract α-Methylstyrene and 4-chloro-α-methylstyrene react readily with Elemental (red) Phosphorus under microwave-irradiation in the superbase KOH/DMSO suspension to afford, depending on the reactant ratio and reaction time, either corresponding bis(2-arylpropyl)phosphines or tris(2-arylpropyl)phosphines in 46–54% and 69–77% yields, respectively. Upon the heating only (110–130 °C, 3 h), this reaction provides mainly tris(2-arylpropyl)phosphine oxides (up to 78% yield) along with (2-arylpropyl)phosphinic acids (up to 43%). The synthesized phosphines are prospective bulky ligands for metal catalysts that has been demonstrated by the preparation of a new Pd(II) complex, trans-[Pd(PR3)2Cl2], which proves to be active in the Sonogashira couplings.
Nina K. Gusarova - One of the best experts on this subject based on the ideXlab platform.
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single stage synthesis of alkyl h phosphinic acids from Elemental Phosphorus and alkyl bromides
Mendeleev Communications, 2019Co-Authors: Nina K. Gusarova, N A Belogorlova, Vladimir A. Kuimov, S F Malysheva, Anastasiya O Sutyrina, Pavel A Volkov, Boris A. TrofimovAbstract:Elemental Phosphorus (red or white) reacts with alkyl bromides at 60–62 °C in the phase-transfer catalytic system KOH/H2O/PhMe/Et3BnNCl to afford alkyl-H-phosphinic acids in up to 47% yield.
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pcl3 and organometallic free synthesis of tris 2 picolyl phosphine oxide from Elemental Phosphorus and 2 chloromethyl pyridine hydrochloride
Tetrahedron Letters, 2018Co-Authors: S F Malysheva, N A Belogorlova, Nina K. Gusarova, Vladimir A. Kuimov, Yurii I Litvintsev, I V Sterkhova, Alexander I Albanov, B A TrofimovAbstract:Abstract In the superbase KOH/H2O/toluene/phase-transfer catalyst system, 2-picolyl chloride, generated in situ from 2-(chloromethyl)pyridine hydrochloride, reacts with Elemental Phosphorus at 65–95 °C for 3 h to afford tris(2-picolyl)phosphine oxide in 50% yield. Single crystal X-ray analysis of the latter revealed one polymorph form of this tertiary phosphine oxide.
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hydrophosphorylation of vinyl sulfides with Elemental Phosphorus in the koh dmso h2o system synthesis of 2 alkyl aryl thioethylphosphinic acids
Journal of Sulfur Chemistry, 2018Co-Authors: B A Trofimov, Nina K. Gusarova, S F Malysheva, Alexander V Artemev, Anastasiya O Sutyrina, L A OparinaAbstract:ABSTRACTElemental Phosphorus (red or white) reacts with alkyl and aryl vinyl sulfides in the superbase system KOH/DMSO(H2O) at 75–120°C for 2–3 h to afford 2-alkyl(aryl)thioethylphosphinic acids in a yield of up to 31%.
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phosphorylation of alkyl methanesulfonates with Elemental Phosphorus in a strongly basic medium synthesis of alkylphosphinic acids
Russian Journal of General Chemistry, 2017Co-Authors: S I Verkhoturova, T I Kazantseva, Nina K. Gusarova, S N Arbuzova, Boris A. TrofimovAbstract:Alkyl methanesulfonates were for the first time introduced in the reaction of direct phosphorylation of electrophiles with Elemental Phosphorus in strongly basic media to synthesize alkylphosphinic acids in yields of up to 40%.
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acetylene phosphorylation with Elemental Phosphorus in the koh dmso system
Russian Journal of General Chemistry, 2014Co-Authors: Boris A. Trofimov, N A Belogorlova, S F Malysheva, Alexander V Artemev, L V Klyba, Nina K. GusarovaAbstract:Reaction of red Phosphorus with acetylene in multiphase superbasic KOH-DMSO system has been studied. The phosphorylation of acetylene results in poly(divinylphosphinic acid).
Alexander V Artemev - One of the best experts on this subject based on the ideXlab platform.
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hydrophosphorylation of vinyl sulfides with Elemental Phosphorus in the koh dmso h2o system synthesis of 2 alkyl aryl thioethylphosphinic acids
Journal of Sulfur Chemistry, 2018Co-Authors: B A Trofimov, Nina K. Gusarova, S F Malysheva, Alexander V Artemev, Anastasiya O Sutyrina, L A OparinaAbstract:ABSTRACTElemental Phosphorus (red or white) reacts with alkyl and aryl vinyl sulfides in the superbase system KOH/DMSO(H2O) at 75–120°C for 2–3 h to afford 2-alkyl(aryl)thioethylphosphinic acids in a yield of up to 31%.
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unexpected formation of 1 4 diphenylbutylphosphinic acid from 1 4 diphenylbuta 1 3 diene and Elemental Phosphorus via the trofimov gusarova reaction
Mendeleev Communications, 2017Co-Authors: Alexander V Artemev, Anastasiya O Sutyrina, Elena A Matveeva, Alexander I Albanov, L V KlybaAbstract:trans,trans -1,4-Diphenylbuta-1,3-diene reacts with Elemental (red) Phosphorus in the superbasic KOH / DMSO (H 2 O) system (120 °C, 3 h) to give, after acidic work-up, 1,4-diphenylbutylphosphinic acid in 48% yield.
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reaction of Elemental Phosphorus with α methylstyrenes one pot synthesis of secondary and tertiary phosphines prospective bulky ligands for pd ii catalysts
Tetrahedron, 2016Co-Authors: Alexander V Artemev, N A Belogorlova, S F Malysheva, N. K. Gusarova, Boris G Sukhov, Anastasiya O Sutyrina, Elena A Matveeva, S F Vasilevsky, Anastasiya I GovdiAbstract:Abstract α-Methylstyrene and 4-chloro-α-methylstyrene react readily with Elemental (red) Phosphorus under microwave-irradiation in the superbase KOH/DMSO suspension to afford, depending on the reactant ratio and reaction time, either corresponding bis(2-arylpropyl)phosphines or tris(2-arylpropyl)phosphines in 46–54% and 69–77% yields, respectively. Upon the heating only (110–130 °C, 3 h), this reaction provides mainly tris(2-arylpropyl)phosphine oxides (up to 78% yield) along with (2-arylpropyl)phosphinic acids (up to 43%). The synthesized phosphines are prospective bulky ligands for metal catalysts that has been demonstrated by the preparation of a new Pd(II) complex, trans-[Pd(PR3)2Cl2], which proves to be active in the Sonogashira couplings.
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the direct phosphorylation of 2 3 and 4 methylstyrenes and 2 4 6 trimethylstyrene with Elemental Phosphorus via trofimov gusarova reaction
Phosphorus Sulfur and Silicon and The Related Elements, 2015Co-Authors: Alexander V Artemev, Anastasiya O Korocheva, V. I. Smirnov, Alexander V Vashchenko, S F MalyshevaAbstract:3- and 4-Methylstyrenes react with red Phosphorus in the superbase system KOH/DMSO (110 °C, 2 h) to afford tertiary phosphine oxides in 20–25% total yield. Under microwave irradiation (600 W) this ...
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acetylene phosphorylation with Elemental Phosphorus in the koh dmso system
Russian Journal of General Chemistry, 2014Co-Authors: Boris A. Trofimov, N A Belogorlova, S F Malysheva, Alexander V Artemev, L V Klyba, Nina K. GusarovaAbstract:Reaction of red Phosphorus with acetylene in multiphase superbasic KOH-DMSO system has been studied. The phosphorylation of acetylene results in poly(divinylphosphinic acid).
Vladimir A. Kuimov - One of the best experts on this subject based on the ideXlab platform.
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single stage synthesis of alkyl h phosphinic acids from Elemental Phosphorus and alkyl bromides
Mendeleev Communications, 2019Co-Authors: Nina K. Gusarova, N A Belogorlova, Vladimir A. Kuimov, S F Malysheva, Anastasiya O Sutyrina, Pavel A Volkov, Boris A. TrofimovAbstract:Elemental Phosphorus (red or white) reacts with alkyl bromides at 60–62 °C in the phase-transfer catalytic system KOH/H2O/PhMe/Et3BnNCl to afford alkyl-H-phosphinic acids in up to 47% yield.
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transition metal free regioselective access to 9 10 dihydroanthracenes via the reaction of anthracenes with Elemental Phosphorus in the koh dmso system
Tetrahedron Letters, 2018Co-Authors: Vladimir A. Kuimov, S F Malysheva, N. K. Gusarova, B A TrofimovAbstract:Abstract Anthracene and its 9- or 9,10-substituted (Me, Ph, Cl, Br) derivatives react with red Phosphorus (Pn) in the KOH/DMSO superbase system at 85–120 °C to afford 9,10-dihydroanthracenes in good to excellent yields, thus providing simple and clean access to these extensively used dihydroaromatics.
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pcl3 and organometallic free synthesis of tris 2 picolyl phosphine oxide from Elemental Phosphorus and 2 chloromethyl pyridine hydrochloride
Tetrahedron Letters, 2018Co-Authors: S F Malysheva, N A Belogorlova, Nina K. Gusarova, Vladimir A. Kuimov, Yurii I Litvintsev, I V Sterkhova, Alexander I Albanov, B A TrofimovAbstract:Abstract In the superbase KOH/H2O/toluene/phase-transfer catalyst system, 2-picolyl chloride, generated in situ from 2-(chloromethyl)pyridine hydrochloride, reacts with Elemental Phosphorus at 65–95 °C for 3 h to afford tris(2-picolyl)phosphine oxide in 50% yield. Single crystal X-ray analysis of the latter revealed one polymorph form of this tertiary phosphine oxide.
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one pot microwave synthesis of tertiary phosphine sulfides directly from aromatic alkenes Elemental Phosphorus and sulfur in koh dmso system
Journal of Sulfur Chemistry, 2014Co-Authors: Vladimir A. Kuimov, Nina K. Gusarova, S F Malysheva, Anastasiya O Korocheva, Boris A TrofimovAbstract:Aromatic alkenes (vinylbenzene, 1-(tert-butyl)-4-vinylbenzene, 1-chloro-4-vinylbenzene) react with red Phosphorus and Elemental sulfur in the superbasic system KOH–DMSO(H2O) under microwave irradiation (600 W, 6–8 min, Ar) in the presence of hydroquinone to afford tris(2-phenylethyl)-, tris[2-(4-tBu-phenyl)ethyl]- and tris[2-(4-Cl-phenyl)ethyl]phosphine sulfides in 53%, 38% and 42% yield, respectively.
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Reactions of Elemental Phosphorus and phosphine with electrophiles in superbasic systems: XX. Phosphorylation of 4-vinylbenzyl chloride with Elemental Phosphorus
Russian Journal of General Chemistry, 2007Co-Authors: S F Malysheva, B. G. Sukhov, Vladimir A. Kuimov, N. K. Gusarova, N P Tarasova, Yu V Smetannikov, B A TrofimovAbstract:4-Vinylbenzyl chloride reacts with white and red Phosphorus, as well as with nanostructured “activated” red Phosphorus (complex organoPhosphorus polymer prepared from white Phosphorus under ionizing radiation) in the system concentrated aqueous KOH-dioxane-phase-transfer catalyst (20–50°C, argon) to form tris(4-vinylbenzyl)phosphine oxide, along with (4-vinylbenzyl)- and bis(4-vinylbenzyl)phosphinic acids, the yield and product ratio being dependent on both the reaction conditions and the nature of the phosphorylating agent. The nanostructured “activated” red Phosphorus is more reactive than ordinary commercial red Phosphorus.