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2 article(s) from Wang, Guijun

Synthesis and characterization of pH responsive D-glucosamine based molecular gelators

Navneet Goyal,
Hari P. R. Mangunuru,
Bargav Parikh,
Sonu Shrestha and
Guijun Wang

Beilstein J. Org. Chem. 2014, 10, 3111–3121, doi:10.3762/bjoc.10.328

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Figure 1: General structures of several D-glucose and D-glucosamine derivatives.

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Scheme 1: Synthesis of amide and urea derivatives of the headgroup 3.

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Figure 2: a) A translucent/opaque gel formed by compound 19 in EtOH/H₂O (1:2) at 1.3 mg/mL; b) a gel formed b...

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Figure 3: The rheological measurements of the gels formed by amide 11 (EtOH/H₂O, 1:2) at 5.4 mg/mL, urea 16 (...

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Figure 4: The optical micrographs of the wet gels formed by several amides. a) A gel formed by compound 8 in ...

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Figure 5: The optical micrographs of the wet gel samples formed by several ureas. a) Compound 19 in DMSO/H₂O ...

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Figure 6: Stability test results under acidic conditions. a) A gel formed by compound 23 in DMSO/H₂O (1:2) at...

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Figure 7: Release of naproxen sodium from the gel formed by compound 16 to the aqueous phase.

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Figure 8: Naproxen release study from the gel formed by compound 16 in the presence of acid.

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Published 23 Dec 2014

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Synthesis and self-assembly of 1-deoxyglucose derivatives as low molecular weight organogelators

Guijun Wang,
Hao Yang,
Sherwin Cheuk and
Sherman Coleman

Beilstein J. Org. Chem. 2011, 7, 234–242, doi:10.3762/bjoc.7.31

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Figure 1: Structures of three ester derivatives of compound 1.

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Figure 2: Structures of ester analogs 5–7 and headgroup 8.

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Scheme 1: Synthesis of a series of esters 9A–18C.

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Figure 3: Optical micrographs of the gels formed by compound 9A in hexane at 15 mg/mL (A, B), 9B in DMSO/wate...

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Figure 4: An ethanol gel formed by compound 18A at <10 mg/mL. a) A clear solution when heated above 70 °C; b)...

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Figure 5: Optical micrographs under bright field (a, b) and scanning electron micrograph (c) of the gel forme...

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Figure 6: The UV–vis absorption spectra of the polymerized gel formed by compound 18A in ethanol (10 mg/mL): ...

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Published 21 Feb 2011

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