Crystal structure of tetraethyl 27,30-dioxo-7,12,20,25-tetra-tert-butyl-3,16-dioxa-9,22,28,31-tetrathiaheptacyclo [21.3.1.1(1,5).1(4,8).1(10,14).1(14,18).1(17,21)]-dotriaconta-4,6,8(29),10,12,17,19,- 21 (32),23,25-decaene-2,2,15,15-tetra-carboxylate
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, vol.71, 2015 (ESCI, Scopus)
- Publication Type: Article / Article
- Volume: 71
- Publication Date: 2015
- Doi Number: 10.1107/s205698901501748x
- Journal Name: ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS
- Journal Indexes: Emerging Sources Citation Index (ESCI), Scopus
- Open Archive Collection: AVESIS Open Access Collection
- Erciyes University Affiliated: Yes
Abstract
The asymmetric unit of the title compound, C54H64O12S4, consists of one half of the molecule, which is located on an inversion centre. The heterocyclic six-membered ring adopts a distorted envelope conformation with the spiro C atom as the flap. In the crystal, molecules are linked by weak C-H center dot center dot center dot O hydrogen bonds with an R-2(2)(14) motif, forming a chain along the b-axis direction.