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2,2,6,6-Tetramethylpiperidin-1-oxyl-4-yl tetra-O-benzyl-α-D-galactopyranoside is a complex organic compound that belongs to the family of radicals, specifically nitroxide radicals. It is characterized by a tetramethylpiperidin-1-oxyl (TEMPO) moiety, which is a stable free radical with a unique structure and properties. The compound is further modified with a tetra-O-benzyl-α-D-galactopyranoside group, which is a derivative of the sugar galactose, with four benzyl protecting groups attached to the hydroxyl groups. This structure is of interest in the field of chemistry, particularly in the study of radical reactions and as a potential building block for the synthesis of more complex molecules. The combination of the stable radical TEMPO with the sugar derivative makes 2,2,6,6-tetramethylpiperidin-1-oxyl-4-yl tetra-O-benzyl-α-D-galactopyranoside a subject of research in areas such as materials science, medicinal chemistry, and the development of new synthetic methods.

77895-13-7

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77895-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77895-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,9 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77895-13:
(7*7)+(6*7)+(5*8)+(4*9)+(3*5)+(2*1)+(1*3)=187
187 % 10 = 7
So 77895-13-7 is a valid CAS Registry Number.

77895-13-7Relevant academic research and scientific papers

Synthesis of alpha- and beta-glycosides containing spin labels, as probes for studies of carbohydrate-protein interaction.

Plessas,Goldstein

, p. 211 - 220 (1981)

Nitroxide spin-labeled alpha-D-glycopyranosides were synthesized in good yield and in a highly stereoselective manner by reaction of per-O-benzyl-alpha-D-glycopyranosyl bromides with 2,2,6,6-tetramethyl-4-piperidinol under the bromide ion-catalyzed conditions devised by Lemieux et al. After hydrogenolysis, the deblocked intermediates were oxidized to give the desired, spin-labeled alpha-D-glycopyranosides. Nitroxide spin-labeled beta-D-glycopyranosides, as well as a beta-maltoside, were synthesized by standard methods. The synthesis is also described of 2-amino-2-deoxy-D-glucose and -D-galactose derivatives having a spin label at C-2, and of the spin-labeled compound 1-[4-(beta-D-galactopyranosyloxy)phenyl]-3-(2,2,6,6-tetramethylpiperidin-1-oxyl -4-yl)-2-thiourea.

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