title: Diethyl 1,1-dioxo-3,5-bis-(pyridin-2-yl)-1λ,4-thio-morpholine-2,6-dicarbox-ylate.
abstract: The title compound, C(20)H(23)N(3)O(6)S, crystallizes with two crystallographically independent mol-ecules in the asymmetric unit. The thio-morpholine ring in both mol-ecules adopts a chair conformation. The crystal structure is stabilized by C-H⋯O inter-actions. The amino groups are shielded and, as a result, these groups are not involved in hydrogen bonding.
authors.forename: P
authors.initials: P
authors.lastname: Sugumar
authors.forename: N
authors.initials: N
authors.lastname: Edayadulla
authors.forename: P
authors.initials: P
authors.lastname: Ramesh
authors.forename: P
authors.initials: P
authors.lastname: Ramesh
authors.forename: M N
authors.initials: MN
authors.lastname: Ponnuswamy