Zobrazeno 1 - 10
of 647
pro vyhledávání: '"Nigam P. Rath"'
Autor:
Wessam Saaed, Mohamed Elagawany, Mohamed M. Azab, Alaa S. Amin, Nigam P. Rath, Lamees Hegazy, Bahaa Elgendy
Publikováno v:
Results in Chemistry, Vol 2, Iss , Pp 100042- (2020)
We have developed a solvent- and catalyst-free cyclization reaction for the synthesis of 1-arylidenamino-2,4-disubstituted-2-imidazoline-5-ones under neat conditions. The new synthetic procedure is efficient and green in nature. All synthesized compo
Externí odkaz:
https://doaj.org/article/cc4bc5b9ad8a4bdf877504ab743abb69
Autor:
Eva M. Gulotty, Richard J. Staples, Shannon M. Biros, Peter P. Gaspar, Nigam P. Rath, William R. Winchester
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 8, Pp 1142-1146 (2018)
The synthesis and crystal structures of two tris(trialkylsilyl)silyl bromide compounds, C9H27BrSi4 (I, HypSiBr) and C27H63BrSi4 (II, TipSiBr), are described. Compound I was prepared in 85% yield by free-radical bromination of 1,1,1,3,3,3-hexamethyl-2
Externí odkaz:
https://doaj.org/article/9f0613eb93ce4567a904812f097e9d98
Publikováno v:
IUCrData, Vol 3, Iss 8, p x181192 (2018)
In the title compound, C20H20NOP, the P atom, with a distorted tetrahedral geometry, is attached to an O atom, two phenyl groups, and a 3,5-dimethylaniline group. The N—P—C [102.29 (12) and 108.97 (12)°] and C—P—C [107.14 (12)°] bond angles
Externí odkaz:
https://doaj.org/article/9bcba3039c134dbcb084db385bc35806
Publikováno v:
IUCrData, Vol 3, Iss 8, p x181108 (2018)
In the title compound, C36H30NP2+·BF4−·CHCl3 or [PPN]BF4·CHCl3, where [PPN] = [(Ph3P)2N]+, two triphenylphosphine units are attached to a central N atom. The P—N—P bond angle is 137.69 (11)°. The two P—N bonds are nearly equivalent, with
Externí odkaz:
https://doaj.org/article/180f890e948646ce93121be67bcfafba
Publikováno v:
Molecules, Vol 15, Iss 4, Pp 2631-2650 (2010)
New phosphoramidite complexes of iron were synthesized and structurally characterized. Reaction of the known chiral phosphoramidites (RO)2PNR’2 (R = binaphthyl, R’ = CH3, 1a; R = binaphthyl, R’ = benzyl, 1b) with [FeBr(Cp)(CO)2] afforded the ti
Externí odkaz:
https://doaj.org/article/55eaa46c4e9d4ea9a2589f9685847cc0
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 4, Pp m462-m462 (2011)
The asymmetric unit of the title crystal, [FeCl2(C3H9P)3(CO)]·[FeCl2(C3H9P)2(CO)2]·2C4H8O, contains half molecules of the two closely related FeII complexes lying on mirror planes and a tetrahydrofuran solvent molecule, one C atom of which is disor
Externí odkaz:
https://doaj.org/article/5e22e0bfc3bc455596902fb04acf9309
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 10, Pp o2678-o2678 (2010)
The title compound, C18H18O2, which exhibits blue emission in the solid state, is an intermediate in the preparation of liquid crystals and polymers. The molecule is located on an inversion centre. In the crystal, molecules are arranged in a herringb
Externí odkaz:
https://doaj.org/article/d85434493cf04f9385f4854b7786ffcb
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 9, Pp o2285-o2285 (2010)
In the crystal structure of the title compound, C12H8Cl4N2, molecules lie on crystallographic twofold axes at the centre of the C—C bonds linking the benzene rings, such that the asymmetric unit consists of a half-molecule. The individual molecules
Externí odkaz:
https://doaj.org/article/0116ffe8d9db4957bdbc67519355a4ef
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 4, Pp m595-m596 (2008)
In the title compound, [Mo(C5H4NO2)2O2], the MoVI atom exhibits a distorted octahedral coordination geometry formed by two terminal oxo ligands and two monoanionic O,O-bidentate pyridinone ligands. The two terminal oxo ligands lie in a cis arrangemen
Externí odkaz:
https://doaj.org/article/0f7908b6b9f04d6387d743c07b559bb4
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 4, Pp o729-o729 (2008)
In the title compound, C22H21N3O6Se, the heterocyclic ring makes dihedral angles of 50.03 (11) and 67.75 (11)°, respectively, with the benzene and phenyl rings. The terminal C atoms of the ester groups are disordered over two positions: the site occ
Externí odkaz:
https://doaj.org/article/fd6e8d953cdd46c283f827cef7667b67