Syntheses and Characterization of Coenzyme B12Analogues/β-CD Supramolecules

Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (7): 1012.

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Syntheses and Characterization of Coenzyme B₁₂Analogues/β-CD Supramolecules

LUO Lai-Bin¹, CHEN Hui-Lan¹, LIU Jun¹, TANG Wen-Xia¹, KarlS. Hagen²

1. Chemistry Department and State Key Laboratory of Coordition Chemistry, Nanjing University, Nanjing, 210093;
2. Department of Chemistry, Emory University, Atlanta, GA, 30332, U.S.A.

Received:1995-01-25 Revised:1995-04-09 Online:1995-07-24 Published:1995-07-24

Abstract

Abstract: A new kind of supramolecules of coenzyme B₁₂models with β-cyclodextrine, RCo(DMG)₂L/β-CD(R=i-C₄H₉, n-C₄H₉, n-C₅H₁₁, c-C₆H₁₁, PhCH₂DMG=dimethyl-gly-oxime. L=H₂O, NH₃), were firstly synthesized and characterized by elementary analysis, FAB-MS and ¹HNMR. X-ray structure analysis of i-C₄H₉Co(DMG)₂H₂O/β-CD proved that the alkyl group of RCo(DMG)₂L was included into the hydrophobic cavity of β-cyclodextrin and the equational DMG was located near the wider opening.

Key words: Coenzyme B₁₂, Cobaloxime, β-cyclodextrin, Supramolecule

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LUO Lai-Bin, CHEN Hui-Lan, LIU Jun, TANG Wen-Xia, KarlS. Hagen. Syntheses and Characterization of Coenzyme B₁₂Analogues/β-CD Supramolecules[J]. Chem. J. Chinese Universities, 1995, 16(7): 1012.

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Syntheses and Characterization of Coenzyme B₁₂Analogues/β-CD Supramolecules

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