Carl R. Johon*. Joseph P. Adams, Matthew P. Brautt and CBW Senanayake mt of chemistry. Wayne State Universi~, Detroik MI 48202 Potor M. Wovkullch and Milut B. Uakoko& Roche Research Center, Hoffman-La Rochc, Inc., Nutley. NJ 07110 ... Example Procedure: 2-Iodo-3-methyl-2- cyclopentenone. Iodine (2.80 g, 22.0 mmol) ... O'C-RT, 1 h] RT, 30 mitt] O”C-RT,lh] ... R = Me, 57% R = Me, 70% (mp 94'c) (oil) [4.2 quiv Iz. RT, 24 h] TIPS0 a 0
