1. US 9.296.679 (2016); WO 98/28.256 (1998 CIBA); US 5.316.927;
2. US 5.827.939 (1998 Atochem); EP 0.881.209 (1998 Mitsubishi); EP 0.890.576 (1999 Elf); Gotor/Alfonso/Garcia‐Urdiales Chapter6;
3. Kosak/Johnson p. 293 f; Horváth Vol. 6 p.483;
4. Yamamoto/Oshima p.698;
5. Esterification