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General method of diastereo- and enantioselective synthesis of β-hydroxy-α-amino acids by condensation of aldehydes and ketones with glycine
Synthese en particulier de serine, hydroxy-3 valine, hydroxy-2 phenylserine, phenylserine et methylenedioxy-3,4 phenylserine
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On the problem of the stabilization of α-metallocenylcarbocation. Synthesis, properties and crystal structure of [C5Me5OsC5Me4CH2+]BPh4−·CH2Cl2
Abstract The compound, [C 5 Me 5 O sC 5 Me 4 C H 2 + ]BPh 4 ·CH 2 Cl 2 , has been prepared by the reaction of C 5 Me 5 OsC 5 Me 4 CH 2 OH with NaBPh 4 in acetic acid. The Os… C + distance of 2.244 AExpand
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Synthesis and crystal structure of nonamethylruthenocenylcarbenium hexafluorophosphate
Abstract The hitherto unknown functional derivatives of decamethylruthenocene (I), viz. (C 5 Me 5 )RuC 5 Me 4 CHO (II), and C 5 Me 5 RuC 5 Me 4 CH 2 OH (III) have been synthesized. The interaction ofExpand
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Mono- and binuclear σ-aryl iron-lithium hydrides; synthesis and molecular structure
Abstract Phenyl- and p-tolyl-iron-lithium trans-dihydrides have been synthesised in the reaction of dihydrogen with the corresponding at-complexes of Fe0 and FeII. The molecular structures and IRExpand
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Trimeric bis(cyclopentadienyl)oxozirconium(IV) benzene solvate
The title compound, cyclo-tri-μ-oxo-tris[bis(η 5 -cyclopentadienyl)zirconium] benzene solvate, obtained from the reaction of zirconocene hydride with CO 2 , is shown to contain planar Zr 3 O 3 cyclesExpand
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Synthesis, structure, and thermal destruction of aroxytetraphenylstiboranes
A series of aroxytetraphenylstiboranes, Ph4SbOAr, were obtained by the reaction of pentaphenylstiborane with phenols at ∼20 °C. The thermolysis of these compounds givesO- or o-C-phenylation products.Expand
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Novel acetylene complexes of titanocene and permethyltitanocene without additional ligands. Synthesis spectral characteristics and X-ray diffraction study
Abstract New acetylene complexes of titanocene and permethyltitanocene Cp 2 Ti(R 1 C 2 R 2 ) and Cp 2 *Ti(R 1 C 2 R 2 ) (R 1 R 2 SiMe 3 ; R 1 Ph, R 2 SiMe 3 ) without additional ligands have beenExpand
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Tris(triphenylphosphinegold)oxonium salts
Abstract The oxonium salts (Ph3PAu)3O+X- where X-  BF4-, CF3COO-, MnO4- have been prepared. These salts are formed from coordinatively unsaturated Ph3PAu+ cations in alkaline or acid media. An X-rayExpand
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The structure of dibromoagelaspongin - a novel bromine-containing guanidine derivative from the marine sponge agelas sp.
Abstract A novel bromine-containing guanidine derivative, dibromoagelaspongin hydrochloride 1 , has been isolated from the marine sponge Agelas sp . The structure of this compound has been determinedExpand
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