1. US 9.296.942 (2016 BASF); US 9.056.811 (2015); US 8.779.216 (2014 Cognius); US 8.318.989 (2012 DuPont); US 5.777.183 (1998 Henkel); US 2.782.215 (1957 Baker‐Castor); US 2.829.177 (1958 Exxon); US 3.957.838 (1976 Kishimoto S.); US 5.777.183 (1998 Henkel); Ullmann Vol.A10 p.288;
2. Further studies on hydration of alkynes by the PtCl4–CO catalyst
3. 2003 200 137 204/205 721 206 409 ff 2004 212 65 and220 215 and2005 232 13;