What is the mechanism by which activating groups direct ortho/para?

Alkenes are hydrocarbons with one or more carbon–carbon double bonds (R 2 C=CR 2 ), while alkynes are hydrocarbons with one or more carbon-carbon triple bonds ... Jan 26, 2025 ... Some call it one of the best white wines in Italy, and after tasting it, we agree, and so we are wondering why it does not get more love! It is ... Jan 22, 2023 ... Aromatic compounds are compounds related to benzene. However, as you go on in organic chemistry you will find a variety of compounds called aromatic. Aug 30, 2022 ... It now encompasses organic structural classes in which electrons are spread out across conjugated cyclic fields of unsaturated C=C bonds. This bitter adds a spicy-bitter balance of Indian spices and herbs with a mild floral, softly earthy flavour of roots. Feb 9, 2023 ... Aromatic concentrates are purified mixtures of chemicals found in crude oil. These mixtures are used to make gasoline and other fuels. They are ... Aromatics make it significant contribution to enhance modern day in life, particularly in textile, pharmaceutical, computer, car component, insulation and ... Aromatics includes Metaxylene, Paraxylene and purified terephthalic acid. Its product applications range from soft drink bottles to packaging trays, from ... Apr 21, 2021 ... A large part of the answer is that the aromatics become vapours/gasses during the cooking process. These volatilized compounds then float around ... Aromatic hydrocarbons are all combustible. The lightest members of this class, benzene and substituted benzenes, have high enough vapor pressures and low enough ...