Why high pressure?
Organic Synthesis under High Pressure
Article REF: CHV1610 V2
Why high pressure?
Organic Synthesis under High Pressure

Authors : Isabelle CHATAIGNER, Jacques MADDALUNO

Publication date: November 10, 2018, Review date: January 11, 2023 | Lire en français

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1. Why high pressure?

Pressurization of mostly liquid media is less common than gas compression (used in hydrogenation or carbonylation reactions, for example). In fact, the pressure range considered goes far beyond what is usually understood by "high pressure", since it ranges from 2 to 20 kbars.

The SI unit of pressure is the pascal :

1 Pa=1 N/m2   et  donc  0,1 MPa=1 atm 

but bar is also commonly used:

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