Structure of 4,5-di-O-acetyl-6-S-acetyl-2,3-di-S-ethyl-2,3,6-trithio-D-allose diethyl dithioacetal

Divjakovic, V. and Miljkovic, D. and Lajsic, S. and Klement, Ulrich (1992) Structure of 4,5-di-O-acetyl-6-S-acetyl-2,3-di-S-ethyl-2,3,6-trithio-D-allose diethyl dithioacetal. ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, 48 (9). pp. 1685-1686. ISSN 0108-2701, 1600-5759

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Abstract

C20H36O5S5, M(r) = 516.82, monoclinic, P2(1), a = 8.670 (1), b = 17.149 (1), c = 9.224 (1) angstrom, beta = 95.88 (1)-degrees, V = 1364.2 (3) angstrom3, Z = 2, D(m) = 1.26, D(x) = 1.27 g cm-3, lambda(Cu Kalpha) = 1.54178 angstrom, mu = 40.8 cm-1 F(000) = 552.0, T = 296 K, final R = 0.066, wR = 0.065 for 3478 observed reflections. The purpose of the structure determination was to establish the position of the substituents and the molecular conformation of the title compound (2) obtained by acid catalyzed ethanethiolysis of 3,4-di-O-acetyl-6-S-acetyl-1,2-isopropylidene-6-thio-alpha-D-glucofuranose (1). Since the product (2) was planned as a starting synthone in a sequence of reactions, its stereochemistry was of essential importance to us.

Item Type: Article
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Klaus-Jürgen Range
Depositing User: Petra Gürster
Date Deposited: 23 May 2024 05:38
Last Modified: 23 May 2024 05:38
URI: https://pred.uni-regensburg.de/id/eprint/54381

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