Write the condensed structural formula and the formula of 3-pentanol. Write condensed structural formula, such as CH3CH3, and describe the molecular geometry at each carbon atom. - propene - 1-butanol - ethyl propyl ether Write possible structural or condensed formulas (isomers) for the following...
To satisfy the γ-Al2O3 stoichiometry, deviating from the chemical formula of a spinel, M3O4 (M=a metal or mixed metals), the Al atomic positions are not fully occupied. Vacancies distribute over both the tetrahedral and octahedral sites 8a and 16d (spinel sites); however, the work of ...
Since the discovery of its photocatalytic properties, titanium dioxide has remained one of the most popular and widely used metal oxide photocatalysts. Its major drawback, however, lies in the narrow region (UV) of sunlight necessary to produce reactive oxygen species. This have been countered by...
The first pentanuclear complexes of formula {Dy[Cu(apox)](2)[Cu(apox)(H(2)O)](2)}[ClO(4)](3).7H(2)O (1), {Ho[Cu(apox)][Cu(apox)(H(2)O)](3)}[PF(6)](3).4.5H(2)O (2), {Gd[Cu(apox)](2)[Cu(apox)(H(2)O)](2)}[ClO(4)](3).7H(2)O (3) and {Gd[Cu...
(2R,3S)-1,4- bis(3-bromobenzoyloxy)-3-(2-nitroimidazol-1-yl)methoxy-2-butanol of formula I. For example, the objective compound is obtained by the following steps; protecting the hydroxy group to be left intact of a nucleoside analogue of formula II with a methoxymethyl group or the...
They are branched polymers of low molecular weight with a degree of polymerization of 80-200. Their general formulae are (C5H8O4)n and (C6H10O5)n and are called as pentosans and hexosans, respectively [5]. Hemicelluloses consist of various different sugar units, arranged in different ...
13.The reinforcing agent according to claim 12, wherein the support is made of a plastic coated with a metal. 14.The composition according to claim 1, wherein the silane-functional polymer has an end group represented by formula (V):wherein R3represents a linear or branched, monovalent hydr...
An isostructural pseudopolymorph of 9-deoxo-9a-aza-9a-methyl-9a-homoerythromycin A of formula (I) is new and has the monoclinic space group, average unit cell parameters as given in the specification. [Image] S 1an organic solvent which is at least partially miscible with water; x : 1,...
(2R,3S)-1,4-dipivaloyloxy-3-[(2-nitroimidazol-1-yl)methoxy]-2-butanol. It is recommended that this new compound where M is H atom is obtained, for example, by preparing a compound of formula II using 1,2,3,4-butanetetraol as raw material followed by pivaloylation of only the ...
Synthesis, structural characterization and solvent effect of copper(II) complexes with a variational multidentate Salen-type ligand with bisoxime groupsSalen-type bisoxime ligandCu(II) complexSynthesisCrystal structureSolvent effectFour new solvent-induced Cu(II) complexes with the chemical formulae [{Cu...