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. 2007 Jun 20;129(24):7480-1.
doi: 10.1021/ja071046w. Epub 2007 May 25.

Dynamic interconversion of amorphous microparticles and crystalline rods in salen-based homochiral infinite coordination polymers

Affiliations

Dynamic interconversion of amorphous microparticles and crystalline rods in salen-based homochiral infinite coordination polymers

You-Moon Jeon et al. J Am Chem Soc. .
No abstract available

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Figures

Figure 1
Figure 1
OM and SEM images of spherical ICP particles: (a) and (b) for 2a, (c) and (d) for 2b.
Figure 2
Figure 2
Representative SEM images monitoring the transformation of microparticles 2a to crystalline rods 3a. (a) Particle 2a grown from the precursor solution, (b) early intermediate (5 min), (c) intermediate at a later stage (30 min), (d) crystalline rods 3a, (e) particle grown by first dissolving the crystalline rods 3a with pyridine and then exposing to ether by vapor diffusion, and (f) crystalline products 3a grown from the pyridine precursor 1a solution, Ni(OAc)2·4H2O, and methanol.
Figure 3
Figure 3
X-ray structure of crystalline 3a (one of the two repeating units: gray, carbon; blue, nitrogen; red, oxygen; sky blue, nickel). Hydrogen atoms and solvent molecules have been omitted for clarity.
Scheme 1
Scheme 1
Synthesis of Salen-Based Microparticles and Their Dynamic Solvent-Triggered Crystallization Process: (a) Pyridine/Ether, (b) Pyridine, (c) MeOH, (d) Pyridine/MeOH, (e) Pyridine

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