Related Experiment Video
Updated: Jun 5, 2026

Preparation of Stable Bicyclic Aziridinium Ions and Their Ring-Opening for the Synthesis of Azaheterocycles
Published on: August 22, 2018
2-(4-Iodo-phen-yl)-5-methyl-3-methyl-sulfinyl-1-benzofuran
Abstract:
The title compound, C(16)H(13)IO(2)S, was prepared by the oxidation of 2-(4-iodo-phen-yl)-5-methyl-3-methyl-sulfanyl-1-benzofuran with 3-chloro-peroxy-benzoic acid. The 4-iodo-phenyl ring makes a dihedral angle of 37.97 (9)° with the plane of the benzofuran fragment, and the O atom and the methyl group of the methyl-sulfinyl substituent lie on opposite sides of this plane. The mol-ecular packing is stabilized by C-H⋯π inter-actions between H atoms on the 4-iodo-phenyl ring and the benzofuran rings, and by an I⋯O halogen bond of 3.252 (2) Å with a nearly linear C-I⋯O angle of 163.06 (8)°. In addition, the stacked mol-ecules exhibit inversion-related S⋯O contacts [3.209 (2) Å] involving the sulfinyl groups.
Related Concept Videos
Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene
Nomenclature of Aromatic Compounds with Multiple Substituents
For disubstituted benzene derivatives, with two groups attached to the benzene ring, three constitutional isomers are possible. For example, consider dimethyl benzene, often called xylene, where the second methyl group can be substituted at the second, third, or fourth carbon. The relative position of the substituents is represented by prefixes ortho, meta, or...
Preparation and Reactions of Sulfides
Nomenclature of Aromatic Compounds with a Single Substituent
Electrophilic Aromatic Substitution: Sulfonation of Benzene
Five-Membered Heterocyclic Aromatic Compounds: Overview
![Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F60786.jpg&w=3840&q=50)
