![Internal chirality descriptors iR and iS and ire and isi. A proposed notation to extend the usefulness of the R/S system by retaining the sense of stereochemistry in cases of ligand ranking Internal chirality descriptors iR and iS and ire and isi. A proposed notation to extend the usefulness of the R/S system by retaining the sense of stereochemistry in cases of ligand ranking](https://onlinelibrary.wiley.com/cms/asset/86be0f12-8c10-4928-a349-cb18ad0592bf/chir22982-fig-0011-m.jpg)
Internal chirality descriptors iR and iS and ire and isi. A proposed notation to extend the usefulness of the R/S system by retaining the sense of stereochemistry in cases of ligand ranking
![organic chemistry - Reduction of acetaldehyde from rectus and sinister faces - Chemistry Stack Exchange organic chemistry - Reduction of acetaldehyde from rectus and sinister faces - Chemistry Stack Exchange](https://i.stack.imgur.com/vs71f.jpg)
organic chemistry - Reduction of acetaldehyde from rectus and sinister faces - Chemistry Stack Exchange
![Origin of the π‐Facial Stereoselectivity in the Addition of Nucleophilic Reagents to Chiral Aliphatic Ketones as Evidenced by High‐Level Ab Initio Molecular‐Orbital Calculations - Takahashi - 2006 - Chemistry – An Asian Origin of the π‐Facial Stereoselectivity in the Addition of Nucleophilic Reagents to Chiral Aliphatic Ketones as Evidenced by High‐Level Ab Initio Molecular‐Orbital Calculations - Takahashi - 2006 - Chemistry – An Asian](https://onlinelibrary.wiley.com/cms/asset/7c75f8f5-58da-482c-b1ac-bdcaabf56a15/mcontent.jpg)
Origin of the π‐Facial Stereoselectivity in the Addition of Nucleophilic Reagents to Chiral Aliphatic Ketones as Evidenced by High‐Level Ab Initio Molecular‐Orbital Calculations - Takahashi - 2006 - Chemistry – An Asian
![Theoretical study on the mechanism and selectivity of asymmetric cycloaddition reactions of 3-vinylindole catalyzed by chiral N,N'-dioxide-Ni(II) complex - ScienceDirect Theoretical study on the mechanism and selectivity of asymmetric cycloaddition reactions of 3-vinylindole catalyzed by chiral N,N'-dioxide-Ni(II) complex - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0920586117303541-fx1.jpg)
Theoretical study on the mechanism and selectivity of asymmetric cycloaddition reactions of 3-vinylindole catalyzed by chiral N,N'-dioxide-Ni(II) complex - ScienceDirect
![SOLVED: Identify the indicated faces in the following molecules as Re or Si top face COzH HOzC H;c CH; bottom face Oh A = Re 8 = Si A =Si B = SOLVED: Identify the indicated faces in the following molecules as Re or Si top face COzH HOzC H;c CH; bottom face Oh A = Re 8 = Si A =Si B =](https://cdn.numerade.com/ask_images/b248566d72a54036a40850032f2fb413.jpg)