Key points are not available for this paper at this time.
Use of CO2 in organic synthesis, e.g. for production of (2), formerly required 100–200 °C and 5–200 atm. Catalysts such as MoCl5/PPh3, AlCl3/PPh3, etc. now permit working under normal conditions.
Ratzenhofer et al. (Tue,) studied this question.