Synthesis, Table of Contents SHORTPAPER © Georg Thieme Verlag Stuttgart · New York Efficient Synthesis of Diphenylketene- ¹³ C 2 James C. Anderson*, Simon BroughtonDepartment of Chemistry, University of Nottingham, Nottingham, NG7 2RD, UKFax: +44(115)9513564 ; e-Mail: j.anderson@nottingham.ac.uk; Recommend Article Abstract Buy Article All articles of this category Abstract A short and efficient synthesis of doubly ¹³ C labeled diphenylketene from relatively cheap ¹³ C labeled carbon dioxide, as the sole source of labeled carbon, is described in 22% overall yield. Key words carbonylations - ketene, ketone - alkenes - eliminations Full Text References References 1 For a comprehensive review of the synthesis of ketenes see: Tidwell TT. Ketenes Wiley; New York: 1995. p.52 2 Pichat L. Herbert M. Aurbert F. J. Lab. Comp. 1965, 1: 1 3 Bertz SH. Dabbagh G. Tetrahedron 1989, 45: 425 4 Chaudhari SS. Akamanchi KG. Synlett 1999, 1763 5 Ram S. Spicer LD. Tetrahedron Lett. 1988, 29: 3741 6 Andrews PC. Barnett NDR. Mulvey RE. Clegg W. O’Neil PA. Barr D. Cowtown L. Dawson A. J . Wakefield BJ. J. Organomet. Chem. 1996, 518: 85 7 Hegarty AF. Kelly JG. Relihan CM. J. Chem. Soc. Perkin Trans. 2 1997, 1175 8 For a review of the use of ammonium formate in transfer hydrogenation see: Ram S. Ehrekaufer RE. Synthesis 1988, 91