title: Synthesis of 3,4-dihydro-2H-1,3,5-thiadiazines.
abstract: 3,4-Dihydro-2H-1,3,5-thiadiazines substituted at the 3 and 6 positions were synthesized by treatment of N-substituted N,N-bis(1H-1,2,3-benzotriazol-1-ylmethyl)-amines with thioamides and zinc bromide in dry CH(2)Cl(2) at room temperature for 48-60 h in 48-80% yields.
authors.affiliation: Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611-7200, USA. katritzky@chem.ufl.edu
authors.forename: Alan R
authors.initials: AR
authors.lastname: Katritzky
authors.forename: Anatoliy V
authors.initials: AV
authors.lastname: Vakulenko
authors.forename: Yong-Jiang
authors.initials: YJ
authors.lastname: Xu
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Steel