R.  Ghosh, Chakraborty, A., Maiti, D. K., and Puranik, V. G., ?Chiral 2-C-methylene glycosides and carbohydrate-derived pyrano[2,3-b][1]benzopyrans: synthesis via InCl3 catalyzed stereoselective ferrier rearrangement of 2-C-acetoxymethyl glycal derivatives?, Tetrahedron Letters, vol. 46, no. 46, pp. 8047-8051, 2005.