Table 1.

The synthesis of (9R)-HHC and (9S)-HHC at different scales.

Entry	Synthesis scale (∆8-THC mass), g	Mass of 5% Pd/C per 1 g of ∆8-THC, mg	∆8-THC concentration, g/L	Duration of the reduction, days	9R:9S molar ratio
1	10	50	200	2	3:1
2	10	20	50	2	3:2
3	250	50	200	5	3:1
4	1000	50	250	14	3:1