... oll4wo39/93 $6.00 + .cm PcrgamanPresSLId A Facile and Highly Chemoselective Protection of Primary Hydroxyl Groups with 2-Methyl-l=Butene. Bruno Figadbre*, Xavier Franck and And& CavB Labaaoiide pbumecoemsi. aswcie au CNRS fBIocIS). ... 7. References and notes : Greene TW, Protective Groups in Organic Synthesis, ed. John Wiley & Sons, New-York, 1981. Alexakis A., Gardette M., Colin S., Tetrahedron Len, 1988,29,2951-2954. ...