CHEMISTRY LETTERS, pp. 401-404, 1982. The Chemical Society of Japan 19 82 RHODIUM CARBONYL-CATALYZED CROSS-HYDROCARBONYLATION OF ACETYLENES AND ETHYLENE. SYNTHESIS OF a,ß-UNSATURATED KETONES Такауа MISE*, Pangbu HONG, and Hiroshi YAMAZAKI The Institute of Physical and Chemical Research, Wako-shi, Saitama 351 The cross-hydrocarbonylation of acetylenes and ethylene with CO and H, in the ...