Zobrazeno 1 - 10
of 34
pro vyhledávání: '"M. Adília Januário Charmier"'
Autor:
Mriganka Das, Suman Mukhopadhyay, Attreyee Mukherjee, G. Udayabhanu, M. Adília Januário Charmier, Bidyut Kumar Kundu, Amrita Biswas, Shaikh M. Mobin
Publikováno v:
Chemical Engineering Journal. 357:447-457
Four novel biologically significant Zn (II) Schiff base complexes ([Zn(L1)2](ClO4)2 (1), [Zn(μ-fumarate)(L1)]n (2), [ZnL1(N3)2] (3) and [ZnL2(N3)2] (4) were synthesized from two ligands L1 [N1,N1-dimethyl-N2-(1-(pyridine-2-yl)ethylidene)ethane-1,2-d
Autor:
Bhaswati Ghosh Mukhopadhyay, M. Fátima C. Guedes da Silva, M. Adília Januário Charmier, Suman Mukhopadhyay, Armando J. L. Pombeiro, Jamal Lasri
Publikováno v:
Inorganic Chemistry. 47:11334-11341
The [2 + 3] cycloaddition reactions (which are greatly accelerated by microwave irradiation) of the di(azido)platinum(II) compounds cis-[Pt(N(3))(2)(PPh(3))(2)] (1) with cyanopyridines NCR (2) (R = 4-, 3-, and 2-NC(5)H(4)) give the corresponding bis(
Autor:
Armando J. L. Pombeiro, Jamal Lasri, Maximilian N. Kopylovich, M. Fátima C. Guedes da Silva, M. Adília Januário Charmier
Publikováno v:
Chemistry - A European Journal. 14:9312-9322
The previously unknown reactions between phthalonitriles, 1,2-(CN)2(C6)R1R2R3R41 (1 a, R1=R2=R3=R4=H; 1 b, R1=R2=R4=H, R3=CH3; 1 c, R1=R4=H, R2=R3=Cl; 1 d, R1=R2=R3=R4=Cl; 1 e, R1=R2=R3=R4=F), and a cyclic nitrone, −O+NCHCH2CH2CMe22, proceed under
Publikováno v:
Journal of Heterocyclic Chemistry. 45:1385-1389
The [2+3] cycloaddition reaction between nitrile oxides 2 and the captodative olefins 1 or the methyl crotonate derivatives 4 is regioselective and leads to the formation of the 5-substituted amino-isoxazole 3 or the 4-substituted methoxycarbonyl-iso
Autor:
Armando J. L. Pombeiro, Suman Mukhopadhyay, M. Fátima C. Guedes da Silva, Jamal Lasri, M. Adília Januário Charmier
Publikováno v:
Polyhedron. 27:2883-2888
Reaction of trans-[Pt(N4CR)2(PPh3)2] 1 (R = Me 1a, Et 1b, Ph 1c, CH2CH2Ph 1d) with propionitrile under reflux gives trans-[Pt(CN)2(PPh3)2] 2 along with 5-substitued-1H-tetrazoles N4CR 3 (R = Me 3a, Et 3b, Ph 3c, CH2CH2Ph 3d) in moderated to good yiel
Autor:
M. Fátima C. Guedes da Silva, M. Adília Januário Charmier, Jamal Lasri, Armando J. L. Pombeiro
Publikováno v:
European Journal of Inorganic Chemistry. 2008:3668-3677
Treatment of trans-[PtC1 2 (NCR) 2 ] (1) {R = CH 2 CO 2 Me (la), Ph (1b)} with (R*)-camphor oxime (C 9 H 16 )C=NOH (2) gives access to the optically active mixed imine-nitrile complexes trans-(R*)-[PtCl 2 {NH=C(R)ON=C(C 9 H 16 )}(NCR)] (4), which, on
Publikováno v:
The Journal of Organic Chemistry. 72:750-755
Free nitriles NCCH2R (1a R = CO2Me, 1b R = SO2Ph, and 1c R = COPh) with an acidic alpha-methylene react with acyclic nitrones -O+N(Me)=C(H)R' (2a R' = 4-MeC6H4 and 2b R' = 2,4,6-Me3C6H2), in refluxing CH2Cl2, to afford stereoselectively the E-olefins
Publikováno v:
Tetrahedron. 61:7960-7966
Several optically active mono and diaminopolyols have been synthesized starting from the octadienedioate 1 , by regio- and stereo selective azidation of the corresponding alcohol by Mitsunobu/S N 2 substitution.
Publikováno v:
Dalton Trans.. :2741-2745
[PtCl2(RCN)2] (1a R = CH2CO2Me, 1b R = CH2Cl) prepared upon EtCN replacement at [PtCl2(EtCN)2] by the appropriate organonitrile, react with a cyclic nitrone −O–+NCHCH2CH2C(Me)2, under mild conditions, to give, in an unprecedented single-pot synth
Microwave-assisted [2 + 3] cycloaddition of nitrones to platinum-(ii ) and -(iv ) bound organonitriles
Publikováno v:
Dalton Trans.. :2540-2543
The coordinated EtCN in the anionic platinum(II) [Ph3PCH2Ph][PtCl3(EtCN)], the neutral platinum(II) [PtCl2(EtCN)2] or the neutral platinum(IV) [PtCl4(EtCN)2] complexes undergo [2 + 3] cycloadditions with cyclic non-aromatic nitrones and these reactio