... Tetrahedron Letters. Volume 48, Issue 52, 24 December 2007, Pages 9185–9189. Cover image Cover image. ... The present Letter reports the syntheses of 6 I -formyl-β-CD, 6 I -deoxy-6 I -thio-β-CD, and 6 A ,6 D -dideoxy-6 A ,6 D -dithio-β-CD under MW irradiation. ...