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Bromo-triphenyl-silane.

ABSTRACT: The title compound, C(18)H(15)BrSi, crystallizes with two almost identical mol-ecules (r.m.s. deviation for all non-H atoms = 0.074?Å) in the asymmetric unit. It is isomorphous with chloro-triphenyl-silane.

SUBMITTER: Steinert H

PROVIDER: S-EPMC2961209 | BioStudies | 2008-01-01T00:00:00Z

REPOSITORIES: biostudies

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Trimeth-yl(triphenyl-meth-oxy)silane.

Project description:In the title mol-ecule, C(22)H(24)OSi, the Si-O-C angle is 139.79?(11)°, the O-C-C angles of the triphenyl-meth-oxy group are in the range 106.13?(13)-109.22?(14)° and the O-Si-C angles of the trimethyl-sil-yloxy group are in the range 103.08?(10)-113.53?(10)°. In the crystal, face-to-face ?-? interactions are observed between the phenyl rings [centroid separation = 4.194?(1)?Å, interplanar spacing = 3.474?Å and centroid shift = 2.35?Å]. The three phenyl groups of the triphenyl-methyl substituent are mutually nearly perpendicular, with dihedral angles in the range 80.49?(8)-81.53?(8)°. There are only weak inter-molecular van der Waals inter-actions in the crystal.

2012-01-01 | S-EPMC3275290 | BioStudies

n-Undeca-nyl 2-(4-bromo-anilino)-4,4-dimethyl-6-oxocyclo-hex-1-ene-carbodithio-ate.

Project description:The six-membered cyclo-hexene ring in the title compound, C(26)H(38)BrNOS(2), adopts an envelope conformation, with the C atom bearing the two methyl groups representing the flap. This atom deviates by 0.651?(3)?Å from the plane passing through the other five atoms of the ring (r.m.s. deviation = 0.051?Å). The mol-ecular conformation is stabilized by an N-H?S hydrogen bond. The title compound is isomorphous with n-undeca-nyl 2-(4-chloro-anilino)-4,4-dimethyl-6-oxocyclo-hex-1-enecarbodithio-ate.

1000-01-01 | S-EPMC2968570 | BioStudies

Nitratotris(triphenyl-phosphine)copper(I) methanol solvate.

Project description:The title compound, [Cu(NO(3))(C(18)H(15)P)(3)]·CH(3)OH, is a methanol solvate derivative of nitratotris(triphenyl-phos-phine)copper(I). The complex crystallizes with three triphenyl-phosphine ligands coordinated to the copper centre, with an O-H?O hydrogen bond observed between the nitrate ligand and the methanol solvent mol-ecule. The coordination around the Cu(I) centre is distorted tetrahedral.

1000-01-01 | S-EPMC2968546 | BioStudies

Tetra-methyl 1,1,2-triphenyl-2H-1?-phosphole-2,3,4,5-tetra-carboxyl-ate.

Project description:The title compound, C(30)H(27)O(8)P (1), was formed as one of two products {(1) and (2) [Krawczyk et al. (2010 ?). Acta Cryst. E66 (cv2753)]} in the reaction of dimethyl acetyl-enedicarboxyl-ate with triphenyl-phosphine. The mol-ecule of (1) consists of a five-membered ring, in which the P atom is incorporated. One of the phenyl groups of the triphenyl-phosphine migrated to a vicinal C atom during the reaction. The five-membered ring of (1) is corrugated [r.m.s. deviation = 0.0719?(8)?Å], whereas that in compound (2) is planar, the r.m.s. deviation being only 0.009?(2)?Å.

1000-01-01 | S-EPMC3008977 | BioStudies

[4'-(2-Bromo-5-pyrid-yl)-2,2':6',2''-terpyridine-?N,N',N'']bis(triphenyl-phosphine-?P)-copper(I) tetra-fluorido-borate dichloro-methane hemisolvate.

Project description:In the title complex, [Cu(C(20)H(13)BrN(4))(C(18)H(15)P)(2)]BF(4)·0.5CH(2)Cl(2), the copper(I) cation adopts a distorted tetra-hedral arrangement, coordinated by two triphenyl-phosphine ligands and two N atoms of the potentially tridentate terpyridine ligand. One half-mol-ecule of dichloro-methane crystallizes with the complex. The chlorine atoms are disordered over two sites with occupancies fixed at 0.30 and 0.20 respectively. The N donor atom of the central pyridine inter-acts weakly with the copper centre at a distance of 3.071?Å.

1000-01-01 | S-EPMC2915135 | BioStudies

trans-Chlorido(phenanthren-9-yl)bis-(triphenyl-phosphane)nickel(II).

Project description:The title compound, [Ni(C(14)H(9))Cl(C(18)H(15)P)(2)], was synthesized from the reaction between 9-chloro-phenanthrene, NiCl(2)·6H(2)O and triphenyl-phosphane in ethanol. The bond angles around the Ni(II) atom indicate that it exists in a slightly distorted square-planar geometry.

1000-01-01 | S-EPMC3200669 | BioStudies

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Project description:The title compound, [Ag(C(7)H(5)O(2))(C(18)H(15)P)(2)]·CH(2)Cl(2), crystallizes with a distorted tetra-hedral geometry about the Ag(I) atom, defined by two O atoms from one tropolonate ligand and two P atoms from two triphenyl-phosphine ligands. It is an example of a new type of tropolone derivative that has not been characterized via solid-state methods.

2009-01-01 | S-EPMC2968127 | BioStudies

trans-Dichloridobis(triphenyl-phosphane-?P)palladium(II) benzene hemisolvate.

Project description:The title complex, [PdCl(2)(C(18)H(15)P)(2)]·0.5C(6)H(6), has the Pd(II) ion in a square-planar coordination mode (r.m.s. deviation for Pd, P and Cl atoms = 0.024?Å) with the PPh(3) and Cl ligands mutually trans. The benzene solvent mol-ecule is located about a crystallographic inversion centre. The title complex is isostructural with trans-dichloridobis(triphenyl-phosphane)-palladium(II) 1,4-dichloro-benzene sesquisolvate [Kitano et al. (1983 ?). Acta Cryst. C39, 1015-1017].

1000-01-01 | S-EPMC3343891 | BioStudies

trans-Dibromidobis(triphenyl-phosphine-?P)palladium(II) chloro-form monosolvate.

Project description:The Pd(II) atom in the title compound, [PdBr(2){P(C(6)H(5))(3)}(2)]·CHCl(3), lies on a twofold rotation axis and is coordinated in a distorted square-planar geometry by two P atoms from two triphenyl-phosphine ligands and by two Br atoms in a trans arrangement. The chloro-form solvent mol-ecule is equally disordered about another twofold rotation axis.

2009-01-01 | S-EPMC2977421 | BioStudies

3-(2-Bromo-acet-yl)-6-fluoro-2H-chromen-2-one.

Project description:The non-H atoms of the title compound, C(11)H(6)BrFO(3), are essentially coplanar (r.m.s. deviation for all non-H atoms = 0.074?Å). In the crystal, the molecules are linked by C-H?O and C-H?Br inter-actions.

2011-01-01 | S-EPMC3200785 | BioStudies

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