Research Article: 3-De­oxy-1,2-di-O-isopropyl­idene-5-O-tosyl-d-threo-pentofuran­ose

Date Published: April 01, 2012

Publisher: International Union of Crystallography

Author(s): Bogdan Doboszewski, Maria J. e Silva, Alexander Y. Nazarenko, Victor N. Nemykin.

http://doi.org/10.1107/S1600536812010884

Abstract

In the crystal structure of the title compound, C15H20O6S, the two independent mol­ecules crystalllize in a chiral setting with two different conformations, twisted 4T3 and envelope 4E, for the furan­ose rings. Weak C—H⋯O contacts strengthen the crystal structure.

Partial Text

For the syntheses of this and similar compounds, see: Cox et al. (1997 ▶); Dahlman et al. (1986 ▶); Doboszewski & Herdewijn (1996 ▶, 2008 ▶). For conformations of five-membered rings, see: Cremer & Pople (1975 ▶); Boeyens & Dobson (1987 ▶). For weak C—H⋯O contacts, see: Desiraju & Steiner (1999 ▶). For analysis of absolute structure, see: Flack (1983 ▶); Hooft et al. (2008 ▶); Tipson (1944 ▶); Fieser & Fieser (1967 ▶) describe tosyl­ation reactions. For standard bond length data, see: Allen (2002 ▶).

 

Source:

http://doi.org/10.1107/S1600536812010884