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Synthesis, x-ray crystal structures, and cation-binding properties of alkyl calixaryl esters and ketones, a new family of macrocyclic molecular receptors
Des calix[n]arenes (n=4, 6, 8) portant des cetoesters sont etudies; pour n=4, ils presentent a l'etat solide une conformation en cone, leurs cryptates avec des metaux alcalins sont egalement etudiesExpand
Minerals from Macedonia. XXIV. Spectra-structure characterization of tectosilicates
Abstract Spectra-structure studies were undertaken on the collected representatives of the alkali feldspar species: albite, NaAlSi 3 O 8 ; microcline, KAlSi 3 O 8 and sanidine, (K,Na)(Al,Si) 4 O 8 byExpand
Silicate Minerals from Macedonia. Complementary Use of Vibrational Spectroscopy and X-Ray Powder Diffraction for Identification and Detection Purposes
Review of the results of complementary use of vibrational spectroscopy (infrared and Raman) and X-ray powder diffraction in the process of detection and identification of the silicate minerals fromExpand
SCHIFF BASES DERIVED FROM HYDROXYARYL ALDEHYDES: MOLECULAR AND CRYSTAL STRUCTURE, TAUTOMERISM, QUINOID EFFECT, COORDINATION COMPOUNDS
During the last 50 years a vast number of structural studies on Schiff bases derived from hydroxyaryl aldehydes and their coordination compounds have been undertaken. In this review we present aExpand
Solvent-Free Polymorphism Control in a Covalent Mechanochemical Reaction
Four crystal modifications of a Schiff base derived from 2-hydroxy-1-naphthaldehyde and 2-aminobenzonitrile have been obtained by conventional solution-based methods. Three polymorphs out of four canExpand
Structural study of monoaquabis(pyridine)bis(saccharinato)copper(II), [Cu(H2O)(py)2(sac)2]
Abstract The structure of monoaquabis(pyridine)bis(saccharinato)copper(II), [Cu(H 2 O)(py) 2 (sac) 2 ], has been investigated by X-ray diffraction and infrared spectroscopy. The complex crystallizesExpand
Functionalization of calix[4]arenes by alkylation with 2-(chloromethyl)pyridine hydrochloride
The syntheses, structures, and conformations of nine of the 13 possible [(2-pyridylmethyl)oxyl]calix[4]arene conformers obtainable by direct substitution on calix[4]arenes 1a,b are described. TheExpand
Structure of a new crystal modification of 1,3-diphenyl-1,3-propanedione
The crystal structure of the enolic form of 1,3-diphenyl-1,3-propanedione consists of discrete molecules containing slightly asymmetric strong intramolecular hydrogen bonds. The molecule is almostExpand
Second determination of the structure of dimeric triphenylstibine oxide
C 36 H 30 O 2 Sb 2 cristallise dans le systeme triclinique du groupe d'espace P1. Affinement de la structure jusqu'a 0,024. Elle se compose de molecules dimeriques (Ph 3 SbO) 2 . Chaque atome Sb aExpand
A Reinvestigation of the Quinoidal Effect in N-n-Propyl-2-oxo-1-naphthylidenemethylamine
In the title compound C 14 H 15 NO (systematic name: 1-n-propylaminomethylene-2-naphthalenone), an intramolecular N-H...O hydrogen bond [N...O 2.578(2), N-H 0.775, H...O 1.936A] arises when theExpand
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