ChemInform Abstract: Synthesis of 8‐Methyl‐6‐thio‐7‐(β‐D‐xylopyranosyl)theophylline ( III). Conformational Study of Its Peracetyl Derivatives. Molecular Mechanics Calculations and Minimum‐Energy Geometries of 8‐Methyl‐7‐(2′, 3′,4′‐tri‐O‐acetyl‐β‐D‐xylopyranosyl)theophylline and 8‐Methyl‐6‐ thio‐7‐(2′,3′,4′‐tri‐O‐acetyl‐β‐D‐xylopyranosyl)theophylline. | Publicación