different between conjugated vs electrocyclic

English

Etymology

Inflected form of conjugate. Chemistry sense from German Konjugation, konjugieren, coined 1899 by German chemist Johannes Thiele.

Adjective

conjugated (comparative more conjugated, superlative most conjugated)

1. Joined together in pairs.
2. (organic chemistry) Of an organic compound or part of such a compound, containing one or more pairs of double bonds and/or lone pairs, each pair being separated by a single bond.
   • 1991, J.-P. Aime, Structural Characterization of Conjugated Solutions, J. L. Brédas, R. Silbey (editors), Conjugated Polymers, Kluwer Academic, page 296,

     A major interest in the study of conjugated polymers in solution is the opportunity to investigate the relation between electronic properties and conformational disorder in low dimensional materials.

   • 2007, Kirk S. Schanze, Xiaoyong Zhao, 14: Structure-Property Relationships and Applications of Conjugated Polyelectrolytes, Terje A. Skotheim, John R. Reynolds (editors), Conjugated Polymers: Theory, Synthesis, Properties, and Characterization, Handbook of Conducting Polymers, 3rd Edition, Taylor & Francis (CRC Press), page 14-3,

     The concept first reported in 1995 centers on the use of a fluorescent conjugated polymer that is functionalized with receptor sites for a target analyte molecule.

   • 2014, Enzo Montoneri, et al., Chapter 4: Food Wastes Conversion to Products for Use in Chemical and Environmental Technology, Material Science and Agriculture, Abbas Kazmi, Peter Shuttleworth (editors), Economic Utilisation of Food Co-Products, Royal Society of Chemistry (RSC Publishing), page 81,

     On the other hand, ${\displaystyle ^{1}\mathrm {O} _{2}}$ is known to be a selective oxidant that reacts with electron-rich olefins, conjugated dienes, sulfides and phenols.

Verb

conjugated

1. simple past tense and past participle of conjugate

See also

• aromatic

English

Etymology

electro- +? cyclic

Adjective

electrocyclic (not comparable)

1. (organic chemistry) Describing a molecular rearrangement in which a covalent single bond is formed between the ends of a fully conjugated system resulting in a cyclic compound with one fewer double bonds