Recommanded Product: 2-Aminobenzamide. Recently I am researching about CIRCULARLY-POLARIZED LUMINESCENCE; ASYMMETRIC-SYNTHESIS; BINOL; CRYSTALLINE; CONSTRUCTION; STABILITY; MOLECULES; STRATEGY; PLATFORM; DESIGN, Saw an article supported by the National Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21620102001, 91856204, 91956124, 21875136]; National Key Basic Research Program of ChinaNational Basic Research Program of China [2016YFA0203400]; Key Project of Basic Research of Shanghai [19JC1412600, 17JC1403100, 18JC1413200]; Shanghai Rising-Star Program [19QA1404300]; China Postdoctoral Innovative Talent Support Program [BX20190195]; China postdoctoral science foundationChina Postdoctoral Science Foundation [2019M661483]. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Hou, B; Yang, S; Yang, KW; Han, X; Tang, XH; Liu, Y; Jiang, JW; Cui, Y. The CAS is 88-68-6. Through research, I have a further understanding and discovery of 2-Aminobenzamide
3D covalent organic frameworks (COFs) with well-defined porous channels are shown to be capable of inducing chiral molecular catalysts from non-enantioselective to highly enantioselective in catalyzing organic transformations. By condensations of a tetrahedral tetraamine and two linear dialdehydes derived from enantiopure 1,1 ‘-binaphthol (BINOL), two chiral 3D COFs with a 9-fold or 11-fold interpenetrated diamondoid framework are prepared. Enhanced Bronsted acidity was observed for the chiral BINOL units that are uniformly distributed within the tubular channels compared to the non-immobilized acids. This facilitates the Bronsted acid catalysis of cyclocondensation of aldehydes and anthranilamides to produce 2,3-dihydroquinazolinones. DFT calculations show the COF catalyst provides preferential secondary interactions between the substrate and framework to induce enantioselectivities that are not achievable in homogeneous systems.
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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem