Re: [Rdkit-discuss] Filtering Out Highly Strained Ring Systems

2017-04-17 Thread Greg Landrum
Hi James, There's not currently any way to get the contributions to the overall energy from a force field. Here's one approach to approximate what you're trying to do: from rdkit import Chem from rdkit.Chem import AllChem def fragmentAndGetEnergies(mol,sma='[r]-[!r;!#1]'): pattern =

[Rdkit-discuss] Filtering Out Highly Strained Ring Systems

2017-04-15 Thread James Johnson
Dear All, I'm generating analogs from a parent compound. An unfortunate side effect is the generation of various highly strained rings among other compounds. I'm developing filters to deal with any unwanted generated compounds, but I'm having difficulty with strained ring systems. Attached are