Pcb. Page et al., ENANTIOSELECTIVE SYNTHESIS OF (R)-(-)-2,6-DIMETHYL HEPTANOIC ACID - THE FIRST APPLICATION OF THE DITOX ASYMMETRIC BUILDING-BLOCK, Tetrahedron letters, 35(16), 1994, pp. 2607-2608
The 1,3-dithiane 1-oxide (DITOX) asymmetric building block/chiral auxi
liary has been used to prepare (R)-(-)-2,6-dimethyl heptanoic acid (1)
, a simple derivative of citronellal, in two steps from (2).