Crystal growth of alkali-metal halides during gas-liquid phase-transfer catalysis
Abstract
The alkali-metal halide crystals produced during an organic synthesis carried out under gas-liquid phase-transfer catalysis (g.l.-p.t.c.) conditions grow in an unusual liquid medium by consuming the nucleophile salt; their habit depends on the catalyst used and on the reaction considered. The particular crystal habit, showing a cavity on one face only of the cube or on one corner only of the octahedron, illustrates some aspects of the crystal growth and gives information on the g.l.-p.t.c. mechanism.
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