Journal ArticleDOI
Structure of hydrogen-bonded sym-dialkylureas in nonpolar organic media
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This article is published in The Journal of Physical Chemistry.The article was published on 1987-02-01. It has received 80 citations till now. The article focuses on the topics: Hydrogen & Hydrogen bond.read more
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Fluorescent J-Aggregates of Core-Substituted Perylene Bisimides: Studies on Structure−Property Relationship, Nucleation−Elongation Mechanism, and Sergeants-and-Soldiers Principle
TL;DR: A cooperative nucleation-elongation mechanism applies for the aggregation of the present assemblies as revealed by concentration-dependent UV/vis absorption studies with the chiral PBI 1e, providing equilibrium constants for dimerization (= nucleation) of K(2) = 13 +/- 11 L mol(-1) and for elongation of K = 2.3 +/- 0.1 x 10(6) L mol−1 in methylcyclohexane (MCH).
Journal ArticleDOI
New Hybrid Organic−Inorganic Solids with Helical Morphology via H-Bond Mediated Sol−Gel Hydrolysis of Silyl Derivatives of Chiral (R,R)- or (S,S)-Diureidocyclohexane
Journal ArticleDOI
Chiral Recognition in Bis-Urea-Based Aggregates and Organogels through Cooperative Interactions.
TL;DR: The diastereomeric aggregates formed from (R,R)-2 with (R-R)-1 or (S,S)-1 were found to be truly different in structure and strength.
Journal ArticleDOI
Self-organized hybrid silica with long-range ordered lamellar structure.
Joël J. E. Moreau,Luc Vellutini,Michel Wong Chi Man,Catherine Bied,Jean-Louis Bantignies,and Philippe Dieudonné,Jean-Louis Sauvajol +6 more
Journal ArticleDOI
Highly cooperative formation of bis-urea based supramolecular polymers.
TL;DR: Eleven bis-ureas have been synthesized, and some of their properties are reported, including the fact that the formation of dimers is less favored than that of long oligomers.
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