Abstract
The title racemic compound, C13H18O3, a common precursor in the total synthesis of terpenes, crystallizes with two molecules in the asymmetric unit. The crystal structure is made up of triple chains, formed by weak intermolecular C—H⋯O contacts, propagating in the a-axis direction.
Highlights
The title racemic compound, C13H18O3, a common precursor in the total synthesis of terpenes, crystallizes with two molecules in the asymmetric unit
In the crystal molecules are linked by four different sets of rather weak C—H···O contacts (Fig. 2, Table 1)
After extraction the raw product was purified by flash chromatography (2% i-PrOH in petroleum ether) and the solvent of the so obtained fractions was distilled off
Summary
ISSN 1600-5368 rac-8a’-Methyl-30 ,40 ,80 ,8a’-tetrahydro H-spiro[[1,3]dioxolane-2,10 naphthalen]-60 (70 H)-one. Data collection: GIS (Bruker, 2010); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: Mercury (Macrae et al, 2008), OLEX2 (Dolomanov et al, 2009) and VESTA (Momma & Izumi, 2008); software used to prepare material for publication: SHELXL97
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