Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Tanya le Roex"'
Autor:
Nashia Stellenboom, Roger Hunter, Mino R. Caira, Susan A. Bourne, Khethiwe Cele, Tozama Qwebani, Tanya le Roex
Publikováno v:
ARKIVOC, Vol 2007, Iss 9, Pp 53-63 (2006)
Externí odkaz:
https://doaj.org/article/c0f49e588fbd49439468187555df690d
Publikováno v:
CrystEngComm. 23:7380-7384
Selectivity for particular guests in two host–guest systems has been investigated using both solution-based and mechanochemical methods. Selectivity was shown to occur in both systems when using mechanochemistry. The selectivity profile obtained us
Publikováno v:
Crystal Growth & Design. 20:7840-7849
The merits of co-sublimation and mechanochemistry as screening techniques for multicomponent crystal formation are compared. Several multicomponent crystals that can be formed both mechanochemicall...
Publikováno v:
Crystal Growth & Design. 20:7384-7391
The effect of crystallization method and solvent volume on the competition between hydrogen and halogen bond formation was investigated through co-crystallization experiments carried out by adding ...
Publikováno v:
Crystal Growth & Design. 20:1503-1511
The supramolecular chemistry of a phenylpyridine-functionalized zwitterion, formed by a simple reaction between acetylenedicarboxylic acid and 4-phenylpyridine, has been investigated. Two polymorph...
Publikováno v:
CrystEngComm. 22:7826-7831
Crystals of organic salts can be grown by sublimation in two systems: succinic acid with hexamethylenetetramine, and oxalic acid with 4,4′-bipyridine. Both systems also form co-crystals by sublimation. Additionally, salts and co-crystals are able t
Autor:
Nina Lawrence, Peter Smith, Carmen de Kock, Monica Clements, Margaret A.L. Blackie, Tanya le Roex
Publikováno v:
Crystal Growth & Design. 19:1540-1549
The crystallization of a series of three triazole-linked 7-chloroquinoline antimalarials with two carboxylic acid coformers resulted in the formation of nine new multicomponent crystalline materials, with eight of these providing single crystal data.
Publikováno v:
CrystEngComm. 20:25-34
The reaction between acetylenedicarboxylic acid and nicotinamide or isonicotinamide produces two new zwitterionic molecules, namely (Z)-2-(3-carbamoylpyridin-1-ium-1-yl)-3-carboxyacrylate (1) and (Z)-2-(4-carbamoylpyridin-1-ium-1-yl)-3-carboxyacrylat
Publikováno v:
Crystal Growth & Design. 18:944-953
The selectivity of a porous hydrogen-bonded framework, 1, toward various solvent mixtures has been investigated. Framework 1, which is the hydrate of 3,4-lutidinium pamoate, crystallizes as its THF solvate, 1·THF. Solvent exchange can take place eit
Publikováno v:
Crystal Growth & Design. 17:6625-6633
The solid-state behavior of two organic zwitterions, (Z)-3-carboxy-2-(4-cyanopyridin-1-ium-1-yl)-acrylate (1) and (Z)-1-(3-carboxy-1,1-dihydroxyprop-2-en-1-ide-2-yl)-pyridin-1-ium (2), has been extensively investigated. Variation of crystallization c