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Crystal structure and supra-molecular features of a host-guest inclusion complex based on A1/A2-hetero-difunctionalized pillar[5]arene. [PDF]
Acta Crystallogr E Crystallogr CommunVinodh M, Al-Azemi TF.
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Synthesis of the C42–C52 part of ciguatoxin CTX3C
Tetrahedron Letters, 2005Abstract The C42–C52 part of ciguatoxin CTX3C ( 1 ) was synthesized from tri-O-acetyl d -glucal. The synthetic segment had a tetrahydropyran ring corresponding to the ‘C49-reduced’ L-ring of 1 , designed to avoid side reactions due to acid-labile C49 acetal carbon during acidic reductive conditions planned in further synthesis toward 1 .
Takanori Suzuki +2 more
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Development of an Access Route to the C31−C52 Central Core of Amphidinol 3
Organic Letters, 2007[reaction: see text] An asymmetric synthesis of the heavily oxygenated inner sector of amphidinol 3 constituted of C31-C52 is described. The successful pathway highlights construction of the pair of identical tetrahydropyran subunits from a common intermediate.
Matthew W, Bedore +2 more
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An improved synthesis of the C42–C52 segment of ciguatoxin 3C
Tetrahedron Letters, 2018Abstract In our previously reported method for the construction of the IJKLM-ring of ciguatoxin 3C (CTX3C), the lengthy synthetic process for the intermediate C42–C52 (L-ring) segment was problematic. Therefore, a new and improved procedure for the C42–C52 segment, having modified protecting groups, was developed.
Yusuke Ishigaki +2 more
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Abstract C52: Enhancing the activities of endogenous antibodies.
Molecular Cancer Therapeutics, 2011Abstract Many monoclonal antibodies (mAbs) exhibit activity through antibody dependent cellular cytotoxicity (ADCC), due to the binding interactions between the Fc portion of the mAb and Fc RIIIa on natural killer cells, macrophages and neutrophils.
Stephen Alley +6 more
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The Journal of Chemical Physics, 2007
The 437 classical isomers of fullerene C52 have been studied by PM3, HCTH/3-21G, and B3LYP∕6-31G(d). C2:029 with the least number of adjacent pentagons is predicted to be the most stable isomer. The investigations show that both the number of adjacent pentagons and the degree of aromaticity play important roles in the relative stabilities of fullerene ...
De-Li, Chen +3 more
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The 437 classical isomers of fullerene C52 have been studied by PM3, HCTH/3-21G, and B3LYP∕6-31G(d). C2:029 with the least number of adjacent pentagons is predicted to be the most stable isomer. The investigations show that both the number of adjacent pentagons and the degree of aromaticity play important roles in the relative stabilities of fullerene ...
De-Li, Chen +3 more
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The carbon pentamer dication C52+: Toward thermochemical stability
The Journal of Chemical Physics, 2003Various computational ab-initio methods are employed to study the doubly-charged carbon system C52+. For its electronic ground state, equilibrium geometries are identified, and their stability against dissociation investigated. Multireference configuration-interaction results indicate a weakly bound but thermochemically stable dication.
H. Hogreve, A. F. Jalbout
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