Lead-likeness: Oprea filter
Oprea distinguished the lead-like chemical space from the drug-like space. The following lead-likeness constraints are applied to ilib diverse's Oprea lead-likeness filter:
- MW: max. 450
- logP: -3,5 to +4,5
- HAC: max. 8
- HDO: max. 5
Oprea, Tudor I.; Davis, Andrew M.; Teague, Simon J.; Leeson, Paul D.
Is There a Difference between Leads and Drugs? A Historical Perspective.
Journal of Chemical Information and Computer Sciences (2001), 41(5), 1308-1315.