Beilstein Handbook of Organic Chemistry, Fourth Edition / Beilsteins Handbuch Der Organischen Chemie, 4. Auflage: Volume 19 Supplement 5

The 5th Supplementary Series of the "Beilstein "Handbook (4th Edition) covers the compounds reported in the primary literature from 1960 up to 1980. Volume 19 deals with heterocyclic compounds containing two or more chalcogen atoms as the only ring-hetero-atoms; in the current series Vol. 19 is subdivided into twelve parts. Subvolume 19/11 completes the coverage of heterocycles containing three chalcogen ring- hetero-atoms (Heterocyclic Class: 3 0) and deals with carboxylic and sulfonic acids, amines, and compounds containing other functional groups. In addition, it begins with the coverage of heterocycles containing four chalcogen ring-hetero-atoms (Heterocyclic Class: 4 0) and deals with parent compounds and hydroxy- and oxo-compounds.