3',5'-O-(1,1,3,3-Tetraisopropyl-1,3-disiloxanediyl)adenosine (also known as 3',5'-TIPS-adenosine, 3',5'-TIPS-rA)is a modified nucleoside of adenosine typically used in the preparation of DNA and RNA duplexes with exonic splicing enhancer activity.
Synthesis of 2′-O-[2-(N-Methylcarbamoyl)ethyl]ribonucleosides Using Oxa-Michael Reaction and Chemical and Biological Properties of Oligonucleotide Derivatives Incorporating These Modified Ribonucleosides. 
Poly(ADP-Ribose) - A unique natural polymer structural features, biological role and approaches to the chemical synthesis. 
 T.Yamada, et al, J. Org. Chem., 2011, 76(9), pp 3042-3053.