Search Results - "Portnyagin, Ivan A"

Donor-Stabilized Germyl Cations. Stable Pentacoordinate Germanium Chloride [PhGe(OCH2CH2NMe2)2][Cl] by Khrustalev, Victor N, Portnyagin, Ivan A, Borisova, Irina V, Zemlyansky, Nikolay N, Ustynyuk, Yuri A, Antipin, Mikhail Yu, Nechaev, Mikhail S

“…Intramolecularly coordinated phenylbis[N-(dimethylamino)ethoxy]germanium chloride (1) has been prepared, and its structure has been investigated by 1H and 13C…”
Get full text

Six- and seven-membered ring carbenes: Rational synthesis of amidinium salts, generation of carbenes, synthesis of Ag(I) and Cu(I) complexes by Kolychev, Eugene L., Portnyagin, Ivan A., Shuntikov, Viacheslav V., Khrustalev, Victor N., Nechaev, Mikhail S.

“…A new efficient method of synthesis of six- and seven-membered ring amidinium bromides bearing bulky Mes (mesityl) and Dipp (2,6-( i-Pr)-Ph) aryl groups was…”
Get full text

Germanium carboxylates: the first X-ray diffraction study of germanium(II) dicarboxylate and germanium(IV) tetracarboxylate by Khrustalev, Victor N., Portnyagin, Ivan A., Zemlyansky, Nikolay N., Borisova, Irina V., Ustynyuk, Yuri A., Antipin, Mikhail Yu, Nechaev, Mikhail S., West, Robert

“…Germanium(II) dipropionate (1) has been synthesized and its crystal structure, as well as that of germanium(IV) tetrapropionate (2), has been determined. By…”
Get full text

Germylene and stannylene (Me 2NCH 2CH 2O) 2E as strong σ-donor ligands for transition metal complexes [ML(CO) n ] (E = Ge, Sn; M = Cr, Mo, W, n = 4 or 5; M = Fe, n = 4). Synthesis, spectroscopic and theoretical study by Portnyagin, Ivan A., Nechaev, Mikhail S.

“…It was shown using experimental and calculation data that germylene and stannylene (Me 2NCH 2CH 2O) 2E (E = Ge, Sn) are promising ligands for preparation of…”
Get full text

Ansa-zirconocenes bearing 5-NR2-6-alkyl-4-hydrocarbyl-2-methylindenyl moieties: Synthesis, structure, stereoselective polymerization of propylene by Kulyabin, Pavel S., Portnyagin, Ivan A., Tsarev, Alexey N., Asachenko, Andrey F., Goryunov, Georgy P., Izmer, Vyatcheslav V., Uborsky, Dmitry V., Voskoboynikov, Alexander Z., Ajellal, Noureddine, Vanne, Tiina, Varzeshkhah, Riitta, Resconi, Luigi, Castro, Pascal

“…A series of C2–symmetric SiMe2-bridged bis-indenyl zirconium complexes containing 2-methyl-4-aryl/isopropyl-5-amino/pyrrolyl-6-alkylindenyl fragments have been…”
Get full text

Reverse Kocheshkov reaction – Redistribution reactions between RSn(OCH2CH2NMe2)2Cl (R=Alk, Ar) and PhSnCl3: Experimental and DFT study by Portnyagin, Ivan A., Lunin, Valery V., Nechaev, Mikhail S.

Get full text

Heteroleptic tin (II) dialkoxides stabilized by intramolecular coordination Sn(OCH 2CH 2NMe 2)(OR) (R = Me, Et, i Pr, t Bu, Ph). Synthesis, structure and catalytic activity in polyurethane synthesis by Chernov, Oleg V., Smirnov, Aleksandr Yu, Portnyagin, Ivan A., Khrustalev, Victor N., Nechaev, Mikhail S.

“…A straightforward method of synthesis of heteroleptic tin (II) alkoxides stabilized by one intramolecular coordination bond was developed. These compounds are…”
Get full text

In search for a pentacoordinated monoorgano stannyl cation by Nechaev, Mikhail S., Chernov, Oleg V., Portnyagin, Ivan A., Khrustalev, Victor N., Aysin, Rinat R., Lunin, Valery V.

“…Pentacoordinated monoorgano stannyl cation PhSn ( OCH 2 CH 2 NMe 2 ) 2 + was generated by salt metathesis from PhSn(OCH 2CH 2NMe 2) 2Cl and Ag[WCA] (WCA =…”
Get full text

Reverse Kocheshkov reaction – Redistribution reactions between RSn(OCH 2CH 2NMe 2) 2Cl (R = Alk, Ar) and PhSnCl 3: Experimental and DFT study by Portnyagin, Ivan A., Lunin, Valery V., Nechaev, Mikhail S.

“…The presence of OCH 2CH 2NMe 2 groups significantly increase the mobility of R substituents in RSn(OCH 2CH 2NMe 2) 2Cl (R = Alk, Ar). These compounds react…”
Get full text

New stable germylenes, stannylenes, and related compounds. 5. Germanium(II) and tin(II) azides [N 3-E 14-OCH 2CH 2NMe 2] 2 (E 14 = Ge, Sn): synthesis and structure by Khrustalev, Victor N., Portnyagin, Ivan A., Zemlyansky, Nikolay N., Borisova, Irina V., Ustynyuk, Yuri A., Antipin, Mikhail Yu

“…New stable azido derivatives of divalent germanium and tin [N 3-E 14-OCH 2CH 2NMe 2] 2 (E 14 = Ge ( 1), Sn ( 2)) have been synthesized by use of the…”
Get full text

An Unusual Reaction of (β‐Dimethylaminoethoxy)triethyltin with Phenyltin Trichloride. The First X‐ray Structural Evidence of the Existence of Complexes R 2 SnXY·R 2 SnXY (R = Alkyl, Aryl; X, Y = Hal, OR, X ≠ Y) Both as Unsymmetrical Adducts [R 2 SnX 2 ·R 2 SnY 2 ] and Symmetrical Dimers [R 2 SnXY] 2 by Portnyagin, Ivan A., Nechaev, Mikhail S., Khrustalev, Victor N., Zemlyansky, Nikolay N., Borisova, Irina V., Antipin, Mikhail Yu, Ustynyuk, Yuri A., Lunin, Valery V.

“…The substituent exchange reaction of PhSnCl 3 with [Et 3 Sn(OCH 2 CH 2 NMe 2 )] gives rise unexpectedly to the unsymmetrical adduct [Ph 2 SnCl 2 · Ph 2 Sn(OCH…”
Get full text

New stable germylenes, stannylenes, and related compounds by Khrustalev, Victor N., Portnyagin, Ivan A., Zemlyansky, Nikolay N., Borisova, Irina V., Nechaev, Mikhail S., Ustynyuk, Yuri A., Antipin, Mikhail Yu, Lunin, Valery

“…E 14[N(SiMe 3) 2] 2 + E 14(OCH 2CH 2NMe 2) 2 → [(SiMe) 3N-E 14-OCH 2CH 2NMe 2] n E 14 = Ge, n = 1; Sn, n = 2) New stable heteroleptic germanium(II) and tin(II)…”
Get full text

An Unusual Reaction of (β-Dimethylaminoethoxy)triethyltin with Phenyltin Trichloride. The First X-ray Structural Evidence of the Existence of Complexes R2SnXY·R2SnXY (R = Alkyl, Aryl; X, Y = Hal, OR, X ≠ Y) Both as Unsymmetrical Adducts [R2SnX2·R2SnY2] and Symmetrical Dimers [R2SnXY]2 by Portnyagin, Ivan A., Nechaev, Mikhail S., Khrustalev, Victor N., Zemlyansky, Nikolay N., Borisova, Irina V., Antipin, Mikhail Yu, Ustynyuk, Yuri A., Lunin, Valery V.

“…The substituent exchange reaction of PhSnCl3 with [Et3Sn(OCH2CH2NMe2)] gives rise unexpectedly to the unsymmetrical adduct [Ph2SnCl2·Ph2Sn(OCH2CH2NMe2)2] (2)…”
Get full text