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Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

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Session Overview
Session
KN-9: Crystalline sponge, metal-organic assembles
Time:
Monday, 16/Aug/2021:
9:00am - 9:50am

Session Chair: Masaki Kawano
Location: Club A

170 1st floor

Makoto Fujita


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Presentations
ID: 1864 / KN-9: 1
Plenary and keynote
Invited lecture to session
Keywords: Crystalline Sponge Method, Absolute Structure Determination

Crystalline Sponge Method: Recent Updates and Applications

Makoto Fujita

The University of Tokyo, School of Engineering, Tokyo, Japan

This paper discusses, along with historical background, the principle and the proof-of-concept studies of crystalline sponge (CS) method, a new single-crystal X-ray diffraction (SCD) analysis that can analyze the structures of small molecules without sample crystallization. The method uses single crystalline porous coordination networks, called crystalline sponges, that can absorb small guest molecules into the pores. The absorbed guest molecules are ordered via molecular recognition in the pores and become observable by conventional SCD diffraction analysis. [[(ZnI2)3(tpt)2]•x(solvent)]n complex (tpt = tris(4-pyridyl)-1,3,5-triazine) was first proposed as a crystalline sponge and has been most generally used. The principle of the CS method can be described as “post-crystallization” of the absorbed guest, whose ordering is templated by the pre-latticed cavities. The method has been widely applied to synthetic chemistry as well as natural product studies, for which proof-of-concept examples will be shown here.

External Resource:
Video Link


 
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