Hi Yankang Jing, From my chemical background I would recommend to not turn off the aromatization cause tautomers are formed thanks to this equilibrium in such system of multiple rings.
BR guillaume De : Yankang Jing <yj...@reactivebio.com> Date : mercredi, 15 juin 2022 à 01:05 À : rdkit-discuss@lists.sourceforge.net <rdkit-discuss@lists.sourceforge.net> Objet : [*External*] [Rdkit-discuss] Question on tautomer standardization on RDKit Dear all, I have a question on tautomer standardization using RDKit. Is that a way to turn off the aromatization of ring system when generating the tautomer enumerator? For example, [cid:image001.png@01D88085.F13F1AC0] • [cid:image002.png@01D88085.F13F1AC0] [cid:image004.png@01D87FEA.1E10EC50] • [cid:image005.png@01D87FEA.3925E810] Here is the code I used. def TautomerStandardization (mol): _params = rdMolStandardize.CleanupParameters() _params.tautomerRemoveSp3Stereo = False _params.tautomerRemoveBondStereo = False _params.tautomerRemoveIsotopicHs = False _params.maxTautomers = 1000 _params.maxTransforms = 1000 enumerator = rdMolStandardize.TautomerEnumerator(_params) mol = enumerator.Canonicalize(mol) return mol Yankang *********************************************************************************** DISCLAIMER This email and any files transmitted with it, including replies and forwarded copies (which may contain alterations) subsequently transmitted from Firmenich, are confidential and solely for the use of the intended recipient. The contents do not represent the opinion of Firmenich except to the extent that it relates to their official business. ***********************************************************************************
_______________________________________________ Rdkit-discuss mailing list Rdkit-discuss@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rdkit-discuss