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Volumn 19, Issue 4, 2003, Pages 1017-1025

Primary alkyl amines as latent gelators and their organogel adducts with neutral triatomic molecules

Author keywords

[No Author keywords available]

Indexed keywords

ALKYL AMINES; LATENT GELATORS; NEUTRAL TRIATOMIC MOLECULES; ORGANOGEL ADDUCTS;

EID: 0037452740     PISSN: 07437463     EISSN: None     Source Type: Journal    
DOI: 10.1021/la026639t     Document Type: Article
Times cited : (133)

References (95)
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    • Note
    • POM analyses of 4c showed several changes in appearance at temperatures that correlate with transitions and composition changes detected by DSC an TGA: near 80 °C, where the appearance of the solid changed, DSC showed an endothermic transition at 78.4°C (ΔH = 20.55 J/g), and the TGA indicated a 2.8% weight loss between 75 and 78 °C by microscopy, the material separated at 98.3-100.0 °C into solid and liquid phases, while DSC showed an endothermic transition around 100 °C that overlapped with a strong endothermic peak at 90.8 °C; an acrid odor was detected at 172 °C, and the TGA showed a small weight loss near 170 °C; the sample became brown when heated above 200 °C.
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    • Note
    • 2S. Compound 9c decomposed on the GC column (since > 170 °C is needed to elute it) prior to its MS analysis. The NMR spectra of the thermal products from 5a-c are also in agreement with thiourea structures (Supporting Figure 5).
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    • Note
    • The DSC peak at ca. 45 °C appears to be due to solid-solid transition of a small amount of another substance formed during the initial heating of 5c. Compound 9c prepared by refluxing 5c in toulene lacked this endotherm. Moreover, the POM of 5c heated thrice to 125 °C showed no changes near 45 °C and melted at 94.1-95.2 °C.
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    • Note
    • Calculated by the Hyperchem (version 5.1) molecular modeling system at the PM3 level, adding the van der Waals radii of the terminal atoms.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.