The diastereoselective 1,3-dipolar cycloadditionreactions of chiral alkenes with a nitrilimine derived from d-galactose phenylhydrazone were studied. The best stereoselectivity was observed with N-acryloyl-(−)-camphor sultam 9, as the chiral inductor, to produce compound 8.
Striking Effect of Hydroxamic Acid Substitution on the Phosphodiesterase Type 4 (PDE4) and TNFα Inhibitory Activity of Two Series of Rolipram Analogues: Implications for a New Active Site Model of PDE4
作者:Edward F. Kleinman、Erin Campbell、Lisa A. Giordano、Victoria L. Cohan、Teresa H. Jenkinson、John B. Cheng、John T. Shirley、E. Roy Pettipher、Eben D. Salter、Tessa A. Hibbs、Frank M. DiCapua、John Bordner